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Author: John Andreas Widtsoe
Publisher:
ISBN:
Category : Dry farming
Languages : en
Pages : 68
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Book Description
Author: John Andreas Widtsoe
Publisher:
ISBN:
Category : Dry farming
Languages : en
Pages : 68
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Book Description
Author: I. Arnon
Publisher: Elsevier
ISBN: 0444599568
Category : Law
Languages : en
Pages : 992
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Book Description
Throughout history, man has, by over-use, consistently reduced the productive capacity of dry lands. This degradation of one-third of the land area of the globe is, unfortunately, increasing. In recent years, world interest has turned to the problems of pollution of the environment and the impending food shortage as world population grows explosively. Thus the attention of international and other agricultural bodies has turned to the need for preserving and developing more effectively the agricultural potential of these areas. This book provides a comprehensive review of present knowledge of the agriculture of dry lands, with special emphasis on measures for conserving their natural resources. Management practices are described which aim at optimizing productivity of rainfed and irrigated agriculture without adverse effects on sustainability. Land use in the dry regions, and its evolution throughout history is described and analysed, and the lessons to be learnt from destructive technologies are stressed. In particular, current proposals for an alternative agriculture are discussed and their justification is questioned. This is a generalist work, which specialists can also find interesting, not only in their own discipline but as a concise way of acquainting themselves with the state-of-the-art in associated fields. Increasing specialisation with each discipline using its own vocabulary leads inevitably to communication problems, and the need for multi-disciplinary teams makes inter-discipline communication indispensible.
Author: Scott E. Ingram
Publisher: University of Arizona Press
ISBN: 0816531293
Category : Social Science
Languages : en
Pages : 391
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Book Description
Traditional Arid Lands Agriculture is the first of its kind. Each chapter considers four questions: what we don’t know about specific aspects of traditional agriculture, why we need to know more, how we can know more, and what research questions can be pursued to know more. What is known is presented to provide context for what is unknown. Traditional agriculture, nonindustrial plant cultivation for human use, is practiced worldwide by millions of smallholder farmers in arid lands. Advancing an understanding of traditional agriculture can improve its practice and contribute to understanding the past. Traditional agriculture has been practiced in the U.S. Southwest and northwest Mexico for at least four thousand years and intensely studied for at least one hundred years. What is not known or well-understood about traditional arid lands agriculture in this region has broad application for research, policy, and agricultural practices in arid lands worldwide. The authors represent the disciplines of archaeology, anthropology, agronomy, art, botany, geomorphology, paleoclimatology, and pedology. This multidisciplinary book will engage students, practitioners, scholars, and any interested in understanding and advancing traditional agriculture.
Author: John Andreas Widtsoe
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 502
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Book Description
Author: Dale Strickler
Publisher: Storey Publishing
ISBN: 1635860024
Category : Technology & Engineering
Languages : en
Pages : 201
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Book Description
Rainfall levels are rarely optimal, but there are hundreds of things you can do to efficiently conserve and use the water you do have and to reduce the impact of drought on your soil, crops, livestock, and farm or ranch ecosystem. Author Dale Strickler introduces you to the same innovative systems he used to transform his own drought-stricken family farm in Kansas into a thriving, water-wise, and profitable enterprise, maximizing healthy cropland, pasture, and water supply. Ranging from simple, short-term projects such as installing rain-collection ollas to long-term land-management planning strategies, Strickler’s methods show how to get more water into the soil, keep it in the soil, and help plants and livestock access it.
Author: William E. Curtis
Publisher:
ISBN:
Category : Agricultural systems
Languages : en
Pages : 1
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Book Description
Author:
Publisher:
ISBN:
Category : Agricultural innovations
Languages : en
Pages : 424
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Book Description
Author: Thomas Henry Kearney
Publisher: Forgotten Books
ISBN: 9780265823194
Category : Gardening
Languages : en
Pages : 40
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Book Description
Excerpt from Agriculture Without Irrigation in the Sahara Desert In View Of the interest in farming without irrigation that is now being manifested in the arid portion of the United States, an account of a region where agriculture is carried on under extremely adverse natural conditions is particularly timely. The present paper deals with a highly developed system of date-palm culture in the Oued Souf, a remarkable and little-known part Of the Sahara Desert in northern Africa. Strictly speaking, it is not dry - land agriculture with which we have to do in the Souf region, for while the rainfall is practically nothing and irrigation is impracticable, the roots of the trees quickly find their way to ground Water. However, it is quite possible that similar conditions may be found to exist in this country in some parts of the desert region Of the Southwest, and that the Souf system, with or without irrigation, can be utilized there on a small scale in growing certain orchard crops with a View to forcing fruit to early maturity, so that it can be put upon the market much in ad vance Of the bulk Of the crop. The Oued Souf was Visited by Mr. Kearney at the end Of Novem ber, 1904, the journey having been made from Nefta, in southwestern Tunis, Where he had Spent Several weeks in a study Of the date palm. This expedition to northern Africa was made under the auspices Of the Office of Seed and Plant Introduction and Distribution of the Bureau of Plant Industry. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: John Andreas Widtsoe
Publisher: Lulu.com
ISBN: 9780359021451
Category : Education
Languages : en
Pages : 140
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Book Description
John Andreas Widtsoe demonstrates an immense knowledge of soil and farming conditions; much of the advice in this classic manual remains useful and relevant to this day. An excellent collection of knowledge is united in this guidebook, which commences by setting out the concept and core principles of dry farming. Much of the Earth is covered by land which receives only modest rainfall each year; coupled with a lack of an underground water source and/or water rights, many landowners found themselves having to grow crops with dry farming methods. Widtsoe was one such farmer, and his knowledge of the land's properties would prove decisive in his success. The properties and composition of the soil are crucial in deciding what crops to grow, making maximum use of limited water resources in an unirrigated plot by encouraging the soil's water retention, and sowing seeds with methods to maximize germination are all important aspects of running a dry farm.
Author: John Andreas Widtsoe
Publisher:
ISBN:
Category : Dry farming
Languages : en
Pages : 72
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Book Description
