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Author : John Andreas Widtsoe
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.:/5 (31 download)
Download or read book The Yields of Crops with Different Quantities of Irrigation Water written by John Andreas Widtsoe and published by . This book was released on 1912 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : George Selick Knapp
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (31 download)
Download or read book Relation of Crop Yields to Quantity of Irrigation Water in Southwestern Kansas written by George Selick Knapp and published by . This book was released on 1922 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ellis Adolph Stokdyk
Publisher :
ISBN 13 :
Total Pages : 504 pages
Book Rating : 4.:/5 (31 download)
Download or read book Relation of Crop Yields to Quantity of Irrigation Water in Southwestern Kansas written by Ellis Adolph Stokdyk and published by . This book was released on 1922 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Andreas Widtsoe
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (31 download)
Download or read book The Chemical Composition of Crops as Affected by Different Quantities of Irrigation Water written by John Andreas Widtsoe and published by . This book was released on 1912 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Andreas Widtsoe
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (31 download)
Download or read book The Effect of Irrigation on the Growth and Composition of Plants at Different Periods of Development written by John Andreas Widtsoe and published by . This book was released on 1912 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Water Resources Research Institute
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (133 download)
Download or read book Prediction of crop yields from quantity and salinity of irrigation water written by Water Resources Research Institute and published by . This book was released on 1969 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Andreas Widtsoe
Publisher :
ISBN 13 :
Total Pages : 72 pages
Book Rating : 4.:/5 (31 download)
Download or read book The Production of Dry Matter with Different Quantities of Irrigation Water written by John Andreas Widtsoe and published by . This book was released on 1912 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Andreas Widtsoe
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (31 download)
Download or read book Methods for Increasing the Crop Producing Power of Irrigation Water written by John Andreas Widtsoe and published by . This book was released on 1912 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251047682
Total Pages : 116 pages
Book Rating : 4.0/5 (476 download)
Download or read book Deficit Irrigation Practices written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2002 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the context of improving water productivity, there is a growing interest in deficit irrigation, an irrigation practice whereby water supply is reduced below maximum levels and mild stress is allowed with minimal effects on yield. Under conditions of scarce water supply and drought, deficit irrigation can lead to greater economic gains than maximizing yields per unit of water for a given crop; farmers are more inclined to use water more efficiently, and more water-efficient cash crop selection helps optimize returns. However, this approach requires precise knowledge of crop response to water as drought tolerance varies considerably by species, cultivar and stage of growth. The studies present the latest research concepts and involve various practices for deficit irrigation. Both annual and perennial crops were exposed to different levels of water stress, either during a particular growth phase, throughout the whole growing season or in a combination of growth stages. The overall finding, based on the synthesis of the different contributions, is that deficit or regulated-deficit irrigation can be beneficial where appropriately applied. Substantial savings of water can be achieved with little impact on the quality and quantity of the harvested yield. However, to be successful, an intimate knowledge of crop behavior is required, as crop response to water stress varies considerably.
Author : Harold E. Dregne
Publisher :
ISBN 13 :
Total Pages : 35 pages
Book Rating : 4.:/5 (632 download)
Download or read book Prediction of Crop Yields From Quantity and Salinity of Irrigation Water written by Harold E. Dregne and published by . This book was released on 1969 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1058 pages
Book Rating : 4.:/5 (3 download)
Download or read book Technical Note written by and published by . This book was released on 1917 with total page 1058 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Andreas Widtsoe
Publisher :
ISBN 13 :
Total Pages : 554 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Principles of Irrigation Practice written by John Andreas Widtsoe and published by . This book was released on 1914 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A.K. Kolay
Publisher : Atlantic Publishers & Dist
ISBN 13 : 9788126908417
Total Pages : 252 pages
Book Rating : 4.9/5 (84 download)
Download or read book Water and Crop Growth written by A.K. Kolay and published by Atlantic Publishers & Dist. This book was released on 2008 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: No crop can be grown without being adequately supplied with the requisite amount of water at the proper time. A thorough knowledge of the hydrological cycle, amount and distribution of rainfall, water resources and irrigation projects in India facilitates efficient utilization of water for crop production. Inadequate supply of water to crops in semi-arid and arid regions adversely affects agricultural production. Properties of water, the mode of its entry into the soil and its absorption by roots of crops are important for irrigation. This necessitates accurate determination of the soil moisture content, the plants and available water which is essential for growth and yield of crops. Its deficiency adversely affects their growth and yield. Irrigation must be extended to unirrigated areas in order to increase the production of food, fibre and fodder for which we must know the source of irrigation water, units and methods of measurement of water, methods of irrigating crop fields, factors affecting the choice of irrigation methods, the degree of the suitability of the available water for irrigating crops and the factors affecting the suitability of water for irrigation. As water is a relatively scarce commodity, we must know whether water of a little inferior quality can be utilized to irrigate crops. In addition, we must be familiar with the precautions which need to be taken in this regard. The accumulation of excess water in the soils of the crop fields affects the growth of crops adversely enough to reduce their yields. Choice of the method of land drainage varies with the variation in the topography of the land. It is also necessary to rectify the causes of waterlogging to bring the waterlogged land back under the plough to increase agricultural production. This necessitates drainage investigation and laying out of the proper drainage system. Water requirement of crops depends on the climate and the crop. More water is required to produce crops in the arid region than in the humid region. Crops like paddy and sugar cane require much larger amount of water than finger millet and pearl millet. The book extensively deals with all these aspects related to soil and crop production and suggests measures to enhance productivity through water conservation and proper management of water resources. It will be highly useful for the students, teachers and researchers working in this field. Besides, agriculturists and general readers will also find it useful and informative.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309179254
Total Pages : 158 pages
Book Rating : 4.3/5 (91 download)
Download or read book Agricultural Water Management written by National Research Council and published by National Academies Press. This book was released on 2007-03-20 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report contains a collection of papers from a workshopâ€"Strengthening Science-Based Decision-Making for Sustainable Management of Scarce Water Resources for Agricultural Production, held in Tunisia. Participants, including scientists, decision makers, representatives of non-profit organizations, and a farmer, came from the United States and several countries in North Africa and the Middle East. The papers examined constraints to agricultural production as it relates to water scarcity; focusing on 1) the state of the science regarding water management for agricultural purposes in the Middle East and North Africa 2) how science can be applied to better manage existing water supplies to optimize the domestic production of food and fiber. The cross-cutting themes of the workshop were the elements or principles of science-based decision making, the role of the scientific community in ensuring that science is an integral part of the decision making process, and ways to improve communications between scientists and decision makers.
Author : Gaylord V. Skogerboe
Publisher :
ISBN 13 :
Total Pages : 210 pages
Book Rating : 4.3/5 (91 download)
Download or read book Potential Effects of Irrigation Practices on Crop Yields in Grand Valley written by Gaylord V. Skogerboe and published by . This book was released on 1979 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bernard Alfred Etcheverry
Publisher :
ISBN 13 :
Total Pages : 254 pages
Book Rating : 4.:/5 (89 download)
Download or read book Irrigation Practice and Engineering: Use of irrigation water and irrigation practice written by Bernard Alfred Etcheverry and published by . This book was released on 1915 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. W. Kijne
Publisher : CABI
ISBN 13 : 1845933397
Total Pages : 354 pages
Book Rating : 4.8/5 (459 download)
Download or read book Water Productivity in Agriculture written by J. W. Kijne and published by CABI. This book was released on 2003 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: First title in a major new seriesAddresses improving water productivity to relieve problems of scarcity and competition to provide for food and environmental securityDraws from scientists having a multitude of disciplines to approach this important problemIn a large number of developing countries, policy makers and researchers are increasingly aware of the conflicting demands on water, and look at agriculture to be more effective in its use of water. Focusing on both irrigated and rain-fed agriculture, this book gives a state of the art review of the limits and opportunities for improving water productivity in crop production. It demonstrates how efficiency of water use can be enhanced to maximize yields. The book represents the first in a new series of volumes resulting from the Comprehensive Assessment of Water Management in Agriculture, a research program conducted by the CGIAR's Future Harvest Centres, the Food and Agriculture Organization of the United Nations and partners worldwide. It will be of significant interest to those working in areas of soil and crop science, water management, irrigation, and development studies.
