Bulletin Of The U S Department Of Agriculture Volume

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Bulletin of the U.S. Department of Agriculture Volume No. 408-491 1916-17: No. 408-491 1916-17

Author : United States Dept of Agriculture
Publisher : Palala Press
ISBN 13 : 9781378828144
Total Pages : 852 pages
Book Rating : 4.8/5 (281 download)

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Book Synopsis Bulletin of the U.S. Department of Agriculture Volume No. 408-491 1916-17: No. 408-491 1916-17 by : United States Dept of Agriculture

Download or read book Bulletin of the U.S. Department of Agriculture Volume No. 408-491 1916-17: No. 408-491 1916-17 written by United States Dept of Agriculture and published by Palala Press. This book was released on 2018-03 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Bulletin of the U.S. Department of Agriculture Volume No. 804-899 1920: No. 804-899 1920

Author : United States Dept of Agriculture
Publisher : Palala Press
ISBN 13 : 9781378820636
Total Pages : 992 pages
Book Rating : 4.8/5 (26 download)

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Book Synopsis Bulletin of the U.S. Department of Agriculture Volume No. 804-899 1920: No. 804-899 1920 by : United States Dept of Agriculture

Download or read book Bulletin of the U.S. Department of Agriculture Volume No. 804-899 1920: No. 804-899 1920 written by United States Dept of Agriculture and published by Palala Press. This book was released on 2018-03 with total page 992 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Bulletin of the U.S. Department of Agriculture Volume

Author : United States Dept of Agriculture
Publisher : Arkose Press
ISBN 13 : 9781343872097
Total Pages : 854 pages
Book Rating : 4.8/5 (72 download)

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Book Synopsis Bulletin of the U.S. Department of Agriculture Volume by : United States Dept of Agriculture

Download or read book Bulletin of the U.S. Department of Agriculture Volume written by United States Dept of Agriculture and published by Arkose Press. This book was released on 2015-10-02 with total page 854 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Bulletin of the U.S. Department of Agriculture Volume

Author : United States Dept of Agriculture
Publisher : Arkose Press
ISBN 13 : 9781343699151
Total Pages : 904 pages
Book Rating : 4.6/5 (991 download)

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Book Synopsis Bulletin of the U.S. Department of Agriculture Volume by : United States Dept of Agriculture

Download or read book Bulletin of the U.S. Department of Agriculture Volume written by United States Dept of Agriculture and published by Arkose Press. This book was released on 2015-09-29 with total page 904 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Bulletin of the U. S. Department of Agriculture Volume No. 626-650

Author : United States Dept of Agriculture
Publisher : Palala Press
ISBN 13 : 9781378825174
Total Pages : 944 pages
Book Rating : 4.8/5 (251 download)

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Book Synopsis Bulletin of the U. S. Department of Agriculture Volume No. 626-650 by : United States Dept of Agriculture

Download or read book Bulletin of the U. S. Department of Agriculture Volume No. 626-650 written by United States Dept of Agriculture and published by Palala Press. This book was released on 2018-03 with total page 944 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Bulletin of the U. S. Department of Agriculture Volume

Author : United States Dept of Agriculture
Publisher : Arkose Press
ISBN 13 : 9781345704006
Total Pages : 598 pages
Book Rating : 4.7/5 (4 download)

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Book Synopsis Bulletin of the U. S. Department of Agriculture Volume by : United States Dept of Agriculture

Download or read book Bulletin of the U. S. Department of Agriculture Volume written by United States Dept of Agriculture and published by Arkose Press. This book was released on 2015-10-31 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Bulletin of the U. S. Department of Agriculture

Author : United States. Dept. Agriculture
Publisher : Rarebooksclub.com
ISBN 13 : 9781230016832
Total Pages : 370 pages
Book Rating : 4.0/5 (168 download)

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Book Synopsis Bulletin of the U. S. Department of Agriculture by : United States. Dept. Agriculture

Download or read book Bulletin of the U. S. Department of Agriculture written by United States. Dept. Agriculture and published by Rarebooksclub.com. This book was released on 2013-09 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1918 edition. Excerpt: ... Hillsdale 2 Joncsville 4 Litchfield 1 Moscow 3 Houghton County: Sept.--Alston 3 Ingham County: Sept. 1-Dec. 30--Mason 43 Jackson County: Sept.-Mar. 4--Hanover 3 Jackson 1 Kent County: Oct.--Byron Center 8 Manistee County: Oct.--Arcadia 1 Menominee County: Oct. 25--Carney 1 Monroe County: Nov.--Dundee 1 Ottawa County: Oct. 14-Nov. 23--Nunica 4 St. Joseph County: Nov.--Three Rivers: 4 Wasepi 1 Saginaw County: Aug. 31-Dec--Saginaw 26 Saginaw, E. Side 22 Saginaw, W. Side 44 Mich., State total.... 263 MINNESOTA. Carver County: Dec. 12--Victoria 1 Dodge County: Jufy-Nov.--Dodge Center 7 Freeborn County: July--AlbertLea 2 Hennepin County: July 20-Jan.--Camden Place 17 Minneapolis 20 Minnehaha 7 Robbinsdale 2 Marshall County: Oct. 14--Holt 1 Mower County: Oct. 4-6--Austin 2 Pine County: Oct. 2-Jan.--Brook Park 1 Sandstone 1 Polk County: Oct. 25-26--Mcintosh-2 Ramsey County: Aug. 17-Nov. 2--St.Paul 16 Red Lake County: June--Red Lake Falls 1 Rice County: Mar.3--Northfield 2 MINNESOTA--Continued. St. Louis County: Oct. 28-Nov. 1--Cars. Duluth 2 Stearns County: Oct. 11--Kimball Prairie 1 Wabasha County: Aug. 8-Jan.--Elgin 7 Kellogg 39 Minneiska 1 Plalnview 55 Wabasha 34 Weaver 5 Winona County: Sept. 13-Oct. 30--Altura 2 Bethany 7 I.ewlston 19 Stockton 2 Sugar Loaf 2 Winona 7 Wright County: Oct. 21-24--Albcrtville 2 Minn., State total.... 266 MISSISSIPPI. Adams County: Mav20--Natchei 1 Copiah County: Apr. 18-June 10--Crystal Springs 250 Gallman 52 Oatesvllle 2 Georgetown 2 Ha?lehurst 46 Hopewell 2 Hinds County: Apr. 24-25--Terry 3 Jackson County: Apr. 12-27--Pascagoula 3 Jefferson County: Apr.--Fayette 13 Marion County: May 19-June 6--Columbia 7 Newton County: May 8-June 13--Hickory 5 Newton 4 Walthall County: May 16-June 2--Tylcrtown 5 Miss., State...

Bulletin of the U. S. Department of Agriculture

Author : United States. Dept. Agriculture
Publisher : Rarebooksclub.com
ISBN 13 : 9781230022956
Total Pages : 394 pages
Book Rating : 4.0/5 (229 download)

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Book Synopsis Bulletin of the U. S. Department of Agriculture by : United States. Dept. Agriculture

Download or read book Bulletin of the U. S. Department of Agriculture written by United States. Dept. Agriculture and published by Rarebooksclub.com. This book was released on 2013-09 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1919 edition. Excerpt: ...$225,000 was for construction and $76,288 was for maintenance. The total revenues applied to roads and bridges in 1904 amounted to $872,606.35, of which the State contributions were $44,000. It thus appears that the revenues applied to this purpose increased in 1914 over 1904 $717,857.76, or 82.2 per cent. The amounts appropriated by towns for town roads are shown by counties and towns in Table 8. ROAD AND BRIDGE BONDS. According to the report of the State auditor, there was outstanding, September 1, 1914, a total of $675,000 of State highway bonds. These bonds are deferred serial in character, payable between 1915 and 1924, and bear 3 to 3i per cent interest. ROAD MILEAGE, 1914. According to the reports from tho towns, New Hampshire had, at the close of the year 1914, a total of 14,020.10 miles of public road, of which 1,669.63, or 11.83 per cent, were surfaced. Of the surfaced roads 1,013.7 miles were gravel, 270.9 miles sand-clay, 154.26 miles bituminous macadam, 61.87 miles macadam, 7.07 miles concrete, and 151.83 miles of materials not classified as to type. In 1909, New Hampshire reported a total of 1,448.48 miles, or 9.58 per cent, of surfaced roads, thus indicating an increase in the 5-year period of 211.15 miles. The mileage ligures for the year 1914 are presented by counties and towns in Table 17 VERMONT. Vermont has a land area of 9,124 square miles, a total road mileage of 14,248.66, and a population, according to the 1910 census, of 355,956. The State, therefore, has a population of 39.01 per square mile of area and 24.98 per mile of road, with 1.55 miles of road per square mile of area. Of the population in 1910, 52.5 per cent, or 187,013, was rural, an average of 13.12 per mile of road. A State highway commissioner is...

Bulletin of the U. S. Department of Agriculture

Author : United States. Dept. Agriculture
Publisher : Rarebooksclub.com
ISBN 13 : 9781230080499
Total Pages : 366 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Bulletin of the U. S. Department of Agriculture by : United States. Dept. Agriculture

Download or read book Bulletin of the U. S. Department of Agriculture written by United States. Dept. Agriculture and published by Rarebooksclub.com. This book was released on 2013-09 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1921 edition. Excerpt: ...pine seedlings in clumps planted by chipmunks and mice (Douglas fir and lodgepole pine usually occurring singly) may also result in a somewhat larger mortality, since the disturbance which affects one seedling in a clump affects the whole group. Table 8 indicates that as a general thing western yellow pine is less likely to be killed after its third year than is Douglas fir or lodgepole pine. This may be due to the larger size of three-year old yellow pine seedlings. SEASON OF INJURY. To determine the relation between the amount of damage and the time of year when the grazing was done, the plots grazed on the Deadwood allotment in 1913 were grouped into three classes: (a) those grazed early in the season, or up to the latter part of July, which in 1913 was a fairly moist period; (o) those grazed in midseason, from late in July to the middle of August; and (c) those grazed late, or after the middle of August, the driest part of the season. Table 6 shows the relative amount of damage done during each period. Table 6.--Grazing injuries, by time of year, in percentages of number of seedlings on the plots at the time they were grazed. (Dcadwood allotment, 1913.) 'Very small. Injuries which did not result in death, particularly those due to browsing, though insignificant at any season, were greater late in the season than during the earlier period. This is probably due to the drying of the succulent forage of the early part of the season and to the greater liking of sheep for browse types of forage as the season advances. The proportion of seedlings killed by grazing, particularly of those less than a year old, was veTv much greater early in the season than it was later. The reasons for this are that early in summer the seedlings are rather...

Bulletin of the U.S. Department of Agriculture

Author : United States Dept of Agriculture
Publisher : Legare Street Press
ISBN 13 : 9781021935090
Total Pages : 0 pages
Book Rating : 4.9/5 (35 download)

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Book Synopsis Bulletin of the U.S. Department of Agriculture by : United States Dept of Agriculture

Download or read book Bulletin of the U.S. Department of Agriculture written by United States Dept of Agriculture and published by Legare Street Press. This book was released on 2023-07-18 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of bulletins and reports on the latest developments in agriculture, including crop yields, disease and pest control, and agricultural economics. This volume is an essential resource for farmers, agricultural researchers, and anyone interested in the latest advancements in the field. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Bulletin of the U. S. Department of Agriculture

Author : United States. Dept. Agriculture
Publisher : Rarebooksclub.com
ISBN 13 : 9781230024578
Total Pages : 294 pages
Book Rating : 4.0/5 (245 download)

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Book Synopsis Bulletin of the U. S. Department of Agriculture by : United States. Dept. Agriculture

Download or read book Bulletin of the U. S. Department of Agriculture written by United States. Dept. Agriculture and published by Rarebooksclub.com. This book was released on 2013-09 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1922 edition. Excerpt: ...this system of grazing; and new evidence is available each season indicating that probably 25 per cent more stock can be carried on a range year after year under a deferred and rotation grazing system than on the same range with no effective provision for distributing the grazing prior to seed maturity, or no adequate provision for natural revegetation. Additional references (arranged chronologically). Kennedy, P. B. Cooperative Experiments with Grasses and Forage Flants. U. S. Division of Agrostology, Bulletin 22, 1900. Lanison-Scribner, F. Economic Grasses. U. S. Division of Agrostology, Bulletin 14, 1900. Hitchcock, A. S. Cultivated Forage Crops of the Northwestern States. TJ. S. Bureau of Plant Industry, Bulletin 31, 1902. Nelson, Elias. Native nnd Introduced Saltbushes. Wyoming Agricultural Experiment Station, Bulletin 63, 1904. Cotton, J. S. Range Management in the State of Washington. U. S. Bureau of Plant Industry, Bulletin 75, 1905. Cotton, J. S. The Improvement of Mountain Meadows. U. S. Bureau of Plant I dustry, Bulletin 127, 1908. Griffiths, D. The Reseeding of Depleted Range and Native Pastures. U. S. Bureau of Plant Industry, Bulletin 117. 1907. Vinall, H. N. Meadow Fescue; Its Culture and Uses. U. S. Department of Agriculture, Farmers' Bulletin 361, 1909. 111479--Bull. 790--19 5 Griffiths, D. A Protected Stock Range in Arizona. TT. S. Bureau of Plant Industry, Bulletin 177, 1910. Thoruber, j. J. The Grazing Ranges of Arizona. Arizona Agricultural Experiment Station, Bulletin 65, 1910. Sampson, Arthur W. Range Improvement by Deferred and Rotation Grazing. U. S. Deimrtment of Agriculture, Bulletin 34, 1913. Jardine, James T. Improvement and Management of Native Pastures in the West. Tr. S. Department of Agriculture, Yearbook...

Bulletin of the U. S. Department of Agriculture

Author : United States. Dept. Agriculture
Publisher : Rarebooksclub.com
ISBN 13 : 9781230012445
Total Pages : 286 pages
Book Rating : 4.0/5 (124 download)

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Book Synopsis Bulletin of the U. S. Department of Agriculture by : United States. Dept. Agriculture

Download or read book Bulletin of the U. S. Department of Agriculture written by United States. Dept. Agriculture and published by Rarebooksclub.com. This book was released on 2013-09 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1922 edition. Excerpt: ...was used also. The resistant hybrids, some of which were grafted to vinifera;, comprised Mourvedre X Rupestris 1202, Solonis X Riparia 1616, Berlandieri X Riparia 157.11, Riparia X Rupestris X Aestivalis X Monticola 554.5, Aramon Rupestris Ganzin 1, Riparia Gloire de Montpelier, Rupestris St. George. These vines were planted in the spring of 1914 and inoculated thereafter. On the Muscadine the phylloxera? upon hatching from the eggs refused to settle or feed. The nonresistant varieties were infested throughout summer and autumn, and on their roots the phylloxera; entered into hibernation from September 20 to the beginning of November; in the case of the Champion, they hibernated as late as December 1. On the Catawba and Champion, the most heavily infested, the aphids began hibernation earlier; on the less infested Delaware, Isabella, and Lenoir, somewhat later. Aphids became active about the middle of February, and all hibernants were adult by April 13. This spring activity was somewhat in advance of that occurring in vineyards, but was similar to that which occurred on the caged vinifera vines. On all nonresistant varieties it was observed that the hibernants massed on tuberosities, nodosities, and the normal surface of the roots; and in cracks in a manner similar to that observed to occur on vinifera vines. On the resistant hybrids repeated inoculations during summer and autumn failed to produce more than an extremely light infestation. The phylloxera? settled to hibernate during October, and at the end of that month all were hibernants. They were situated on side rootlets and on the normal surface of the root, but on the Kupestris St. George hibernants occurred also on nodosities which they had caused to form shortly after they...

Bulletin of the U. S. Department of Agriculture

Author : United States. Dept. Agriculture
Publisher : Rarebooksclub.com
ISBN 13 : 9781230105093
Total Pages : 280 pages
Book Rating : 4.1/5 (5 download)

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Book Synopsis Bulletin of the U. S. Department of Agriculture by : United States. Dept. Agriculture

Download or read book Bulletin of the U. S. Department of Agriculture written by United States. Dept. Agriculture and published by Rarebooksclub.com. This book was released on 2013-09 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1918 edition. Excerpt: ...species of the region except three. The leaves of all species are each tipped with a sharp spine, and the margin of the leaf bears one or more threadlike fibers which frequently strip back and form a loose mat of threads among the bases of the leaves. The margins of the leaves never bear any hooklike spines. In one group of three species that grow in the region of Del Rio, Sanderson, and northward in Texas the leaf margins do not have a threadlike appendage, but are thickened and horny, with very fine teeth, scarcely large enough to be seen by the naked eye, but sharp enough and hard enough to cut the hands badly. Of the other thick-leaved plants of the region the century plants (Agave) all have sharp spines on the ends of the leaves, but the margins bear large recured spines. Sotol (Dasylirion) has flat, strajvshaped leaves with curved, yellow, horny spines on the margin, but they are frayed at the tips. (PI. V, fig. 2.) There are two or three species of Nolina in the region that have long, slim, nearly smooth, but tough leaves, frayed at the tips, without threads or spines, though sometimes a few very small teeth are scattered along the margin. The leaves of these plants are often as thick as they are wide, which is usually not much over one-fourth of an inch, being nearly always triangular, but sometimes nearly circular in cross section. In the region about Marathon and Sanderson, Tex., where one species Nolina erumpenfi) 1 is tolerably abundant, the common name in use'is sacahuista.3 (PI. VIII, fig. 1.) BEAR-GRASS. Bear-grass is a name that is used for two very different plants in different localities. On the Plains of eastern New Mexico and western Texas from Carlsbad northward to western Kansas and eastern Colorado, found...

Bulletin /U.S. Department of Agriculture, Division of Agrostology. Volume 1899-1901

Author : United States
Publisher : Sagwan Press
ISBN 13 : 9781377139357
Total Pages : 424 pages
Book Rating : 4.1/5 (393 download)

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Book Synopsis Bulletin /U.S. Department of Agriculture, Division of Agrostology. Volume 1899-1901 by : United States

Download or read book Bulletin /U.S. Department of Agriculture, Division of Agrostology. Volume 1899-1901 written by United States and published by Sagwan Press. This book was released on 2018-02-08 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Bulletin of the U. S. Department of Agriculture

Author : United States. Dept. Agriculture
Publisher : Rarebooksclub.com
ISBN 13 : 9781230052465
Total Pages : 270 pages
Book Rating : 4.0/5 (524 download)

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Book Synopsis Bulletin of the U. S. Department of Agriculture by : United States. Dept. Agriculture

Download or read book Bulletin of the U. S. Department of Agriculture written by United States. Dept. Agriculture and published by Rarebooksclub.com. This book was released on 2013-09 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1921 edition. Excerpt: ...to changes in the oxygen content of the air was observed until the last day of the experiment. On that day not only water vapor and carbon dioxid, but oxygen also was removed from the system by passing the circulating air through a solution of potassium pyrogallate before returning it to the chamber. This was continued until the proportion of oxygen in the air, which was only 18 per cent at the beginning of the period, was very greatly reduced. After a few hours the circulation of air was stopped and the water vapor and carbon dioxid allowed to ac cumulate in the air of the system in which there was a deficiency of oxygen. The effect on the activity of the bees was soon apparent; the temperature curves, which for some reason had begun to rise, very shortly turned in the opposite direction and continued to fall for about 12 hours. The proportion of oxygen was then 12 per cent and it was thought that the bees had probably been suffocated. Eight hours before the time at which the period would regularly end the air of the system was again put in circulation and water vapor and carbon dioxid removed, oxygen being also removed at the same time. This was continued until the close of the period (which was also the end of the experiment) in order that the air of the system might be quite thoroughly freed of carbon dioxid. After the circulation of air was resumed the bees again indicated that they were living, and during the time that the air-purifying system was operating their activity increased until by the end of the experiment the temperature curve had reached as high a point as at any time during the course of the experiment, even though the proportion of oxygen in the air was low. Analysis of the sample taken at the end of the period showed...

Bulletin of the U.S. Department of Agriculture

Author : United States. Department of Agriculture
Publisher :
ISBN 13 :
Total Pages : 848 pages
Book Rating : 4.X/5 (2 download)

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Book Synopsis Bulletin of the U.S. Department of Agriculture by : United States. Department of Agriculture

Download or read book Bulletin of the U.S. Department of Agriculture written by United States. Department of Agriculture and published by . This book was released on 1913 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bulletin of the U. S. Department of Agriculture

Author : United States. Dept. Agriculture
Publisher : Rarebooksclub.com
ISBN 13 : 9781230080932
Total Pages : 330 pages
Book Rating : 4.0/5 (89 download)

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Book Synopsis Bulletin of the U. S. Department of Agriculture by : United States. Dept. Agriculture

Download or read book Bulletin of the U. S. Department of Agriculture written by United States. Dept. Agriculture and published by Rarebooksclub.com. This book was released on 2013-09 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1915 edition. Excerpt: ...set of disk nozzles was used in all cases. The chief details and the results of these experiments are recorded in Table XLIII. When reference is made to nicotine sulphate, the commercial article containing 40 per cent of nicotine is intended; likewise references to tobacco extract refer to preparations containing 2.7 per cent of nicotine, or its equivalent. Experiments 5 and 6 of Table XLIV and experiments 5, 6, 7, and 8 of Table XLV are to be considered in connection with Table XLIII. Of these 14 experiments, 5 were directed against the hibernating scales (4 of these in the spring and 1 in the fall); 5 against the loafattached larvae, 2 against the females while making the twigward migration, and 2 against the young females whilo making their maximum growth. These experiments were all negative and showed that nicotine is ineffective against the terrapin scale. COATING SPRAYS. A number of experiments were performed in 1912 with coating sprays, to determine the feasibility of smothering the scale. The chief details and the results of theso experiments are recorded in Table XLIV. The first 4 experiments were made with self-boiled lime-sulphur, 8-8-50, and were applied with coarse nozzles at a pressure of 100 pounds. In experiment 1 the application was made May 24, when 95 per cent of the overwintered scales were mature. This spraying was both extensive and thorough, but was inefficient against the mature females and failed to control the sooty molds. Experiment 2 was directed against the larvae during the beginning of the leafward migration, but gave an efficiency of only 15 per cent and also faded to control sooty molds. In experiment 3 two applications were made, the first at the beginning of the leafward migration and the last when 95...