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The Effects Of Nitrogen Fertilization On The Yield And Quality Of Two Burley Tobacco Varieties
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Book Synopsis The Effects of Nitrogen Fertilization on the Yield and Quality of Two Burley Tobacco Varieties by : Mohd. Azmi Ab. Rahman
Download or read book The Effects of Nitrogen Fertilization on the Yield and Quality of Two Burley Tobacco Varieties written by Mohd. Azmi Ab. Rahman and published by . This book was released on 1979 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of Nitrogen Fertilization on Yield and Quality of Burley Tobacco as Revealed by Field Experimentation ... by : Ridha Said Maroof
Download or read book The Effect of Nitrogen Fertilization on Yield and Quality of Burley Tobacco as Revealed by Field Experimentation ... written by Ridha Said Maroof and published by . This book was released on 1952 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rate and Timing of Nitrogen Fertilization in Burley Tobacco by :
Download or read book Rate and Timing of Nitrogen Fertilization in Burley Tobacco written by and published by . This book was released on 2007 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our objectives in this study were to evaluate the state recommendations for nitrogen, determine the effects of nitrogen on tobacco specific nitrosamines (TSNA), yield and quality, determine efficient nitrogen rates and evaluate the pre sidedress nitrate test (PSNT) as an indicator of nitrogen needs in burley tobacco. This study had nine nitrogen rates, in a split plot design with four replications. Main plots consisted of preplant nitrogen: 89.6, 179.2 and 268.8 kg/ha. Sub plots consisted of sidedress nitrogen: 0, 52 and 112 kg/ha. Soil nitrate-N was determined using the PSNT, with samples taken to a depth of 0.15 m three weeks after transplanting. There were two locations in 2004, at Greeneville, TN (GR) and Glade Spring, VA (GL). Two more locations were added in 2005 and 2006, Springfield, TN (HR) and Lexington, KY (LE) along with a tobacco after tobacco (TAT) rotational study at GR and HR also in 2006. Nitrogen rates within the state recommendations gave yields statistically equal to the maximum. In several cases, yield was maximized by lower than recommended rates. The study showed an increase in yield with an increase in nitrogen above the lowest treatment. All yields, except for HR 2005, exceeded the long term, Tennessee state burley yield average. A positive yield response to sidedress nitrogen fertilizer was observed at the 89.6 kg/ha treatment, with 56 and 112 kg/ha sidedressed and the 179.2 kg/ha treatment with 56 kg/ha sidedressed. There was only one instance with 268.8 kg/ha pre plant nitrogen where there was a positive yield response, likely due to variability within the study. Total TSNA content was also increased with higher nitrogen rates. TSNA content was lower in the dryer 2005 curing season. Although not an objective of this study, and not proven, it is likely that the locations of the curing structures had some effect on TSNA content. PSNT values increased as nitrogen rates increased. From this study the PSNT does not seem to be a precise enough indicator of nitrogen needs in burley tobacco to be used in making N application decisions.
Book Synopsis The Effects of Nitrogen Fertilization and Residual Soil Nitrate Levels on Yield and Value of Burley Tobacco by : Joseph Lee Griffy
Download or read book The Effects of Nitrogen Fertilization and Residual Soil Nitrate Levels on Yield and Value of Burley Tobacco written by Joseph Lee Griffy and published by . This book was released on 1990 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Masters Theses in the Pure and Applied Sciences by : W. H. Shafer
Download or read book Masters Theses in the Pure and Applied Sciences written by W. H. Shafer and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and dis seminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the ac tivity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volume were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 24 (thesis year 1979) a total of 10,033 theses titles from 26 Canadian and 215 United States universities. We are sure that this broader base for theses titles reported will greatly enhance the value of this important annual reference work. While Volume 24 reports these submitted in 1979, on occasion, certain universities do report theses submitted in previous years but not reported at the time.
Book Synopsis The Effect of Source and Rate of Sidedress Nitrogen on Yield and Quality of Burley Tobacco by : Ahmed Azhar Jaafar
Download or read book The Effect of Source and Rate of Sidedress Nitrogen on Yield and Quality of Burley Tobacco written by Ahmed Azhar Jaafar and published by . This book was released on 1986 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Nitrogen Rate and Cultivar on Burley Tobacco (Nicotiana Tabacum L.) Yield and Leaf Quality by : David Kaleb Rathbone
Download or read book Effect of Nitrogen Rate and Cultivar on Burley Tobacco (Nicotiana Tabacum L.) Yield and Leaf Quality written by David Kaleb Rathbone and published by . This book was released on 2008 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Maturity and Priming of Burley Tobacco on Yield, Quality, and Labor Requirements of the Crop by : George Boyd Byers
Download or read book Effect of Maturity and Priming of Burley Tobacco on Yield, Quality, and Labor Requirements of the Crop written by George Boyd Byers and published by . This book was released on 1950 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Certain Soil Conditions on the Yield and Quality of Burley Tobacco by :
Download or read book The Effects of Certain Soil Conditions on the Yield and Quality of Burley Tobacco written by and published by . This book was released on 1930 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Nitrogen Sources and Rates on Yield and Quality of Modern Flue-Cured Tobacco Cultivars by :
Download or read book Evaluation of Nitrogen Sources and Rates on Yield and Quality of Modern Flue-Cured Tobacco Cultivars written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Nitrogen has a more pronounced effect on the growth and quality of tobacco than any other essential element even though it is not taken up in the highest quantity. Soil nitrogen regime affects plant development more than any other nutrient from seedling stage through the time of final harvest. The role of nitrogen in the development and quality of tobacco is of major importance with respect to time of absorption, form of nitrogen absorbed, rate of application, concentration in the leaf and numerous other aspects. Soil nitrogen must be sufficient during early and mid-season growth stages to ensure vigorous, but not excessive growth, and it should be nearly depleted by flowering for the plant to mature and ripen properly insuring a quality leaf. In general, as total N in the plant increases, above the amount required for maximum growth, quality of flue-cured tobacco tends to decrease. Field studies were conducted at two locations in both 2006 and in 2007 to evaluate response to nitrogen rates. Cultivars NC 71 and K 346 were selected for this study based on differences in the North Carolina Official Variety Test, with NC 71 averaging greater than 450 kg/ha more yield than K 346. Also, it has been observed that K 346 has a lower quality index than NC 71 when both varieties are produced using similar rates of nitrogen. Calcium nitrate was used as the total source of nitrogen and rates used were 45, 56, 67, 78, and 90 kg of nitrogen per hectare. Nitrogen was split applied with one half of the total applied within the first week after transplanting and the balance applied approximately 14 days later. All other production practices followed standard practices for the individual research station. There were significant main effects for variety. NC 71 averaged 3175 kg/ha while K 346 averaged 2798. There were no differences between varieties for grade index or dollars per kilogram. Dollars per hectare followed the same trend as yield with NC 71 grossing $1,247 dollars more per.
Download or read book Tobacco Science written by and published by . This book was released on 1977 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1976 with total page 1732 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bibliography on Smoking and Health by :
Download or read book Bibliography on Smoking and Health written by and published by . This book was released on 1983 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Smoking and Health Bulletin written by and published by . This book was released on 1983 with total page 746 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal by : National Cancer Institute (U.S.)
Download or read book Journal written by National Cancer Institute (U.S.) and published by . This book was released on 1972 with total page 1108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of the National Cancer Institute by :
Download or read book Journal of the National Cancer Institute written by and published by . This book was released on 1972-04 with total page 1108 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Summaries of papers" contained in the journal accompany each issue, 19--
Book Synopsis Federal-grant Research at the State Agricultural Experiment Stations by :
Download or read book Federal-grant Research at the State Agricultural Experiment Stations written by and published by . This book was released on 1958 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This compilation is one of a series providing information on State agricultural experiment station research supported by Federal-grant funds appropriated annually by Congress under authorization of the Hatch Act of 1887, as amended and approved Aug. 11, 1955, and Section 204(b) of the Agricultural Marketing Act of 1946. It is prepared for use by research workers int he subject-matter areas presented. Only that part of each State's research program supported by Federal-grant moneys is included"--P. iv.
