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Author: John A. Widtsoe Publisher: Forgotten Books ISBN: 9781528365000 Category : Business & Economics Languages : en Pages : 530
Book Description
Excerpt from The Principles of Irrigation Practice Irrigation and dry-farming are rapidly conquering drought. By these twin arts, bountiful and regular harvests may be gathered in the humid regions during the periodic dry seasons; and in the arid regions, the great deserts may be converted into most fruitful fields. Irrigation has a splendid record of success from the begin ning of history; dry-farming has only in recent days extended its conquests into the more arid regions; both have become more powerful in conquering drought as modern science has been applied to them. 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 A. Widtsoe Publisher: Forgotten Books ISBN: 9781528365000 Category : Business & Economics Languages : en Pages : 530
Book Description
Excerpt from The Principles of Irrigation Practice Irrigation and dry-farming are rapidly conquering drought. By these twin arts, bountiful and regular harvests may be gathered in the humid regions during the periodic dry seasons; and in the arid regions, the great deserts may be converted into most fruitful fields. Irrigation has a splendid record of success from the begin ning of history; dry-farming has only in recent days extended its conquests into the more arid regions; both have become more powerful in conquering drought as modern science has been applied to them. 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: F. H. King Publisher: Forgotten Books ISBN: 9781330755143 Category : Business & Economics Languages : en Pages : 536
Book Description
Excerpt from Irrigation and Drainage: Principles and Practice of Their Cultural Phases Great pains has been taken to personally inspect the irrigation practices of both humid and arid climates in this country and in Europe, to gain a broader view of essential details, and to secure suitable illustrations, which are presented largely as photo-engravings, in the hope of getting closer to the spirit of the subject. 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: Hanbury Brown Publisher: Forgotten Books ISBN: 9781332753741 Category : Technology & Engineering Languages : en Pages : 338
Book Description
Excerpt from Irrigation: Its Principles and Practice as a Branch of Engineering Irrigation is a subject which covers much ground, and cannot be confined within the narrow boundaries of a single volume. But the principles on which Irrigation Engineering is based can be collected in small compass, and be illustrated by examples of actual practice to the extent that space allows. What, therefore, this work attempts to do is to set forth the guiding principles that should govern the practice of irrigation, and to furnish illustrations of their application in existing canal systems. The majority of the illustrations have been selected from the wealth of material that the irrigation experience of India and Egypt supplies, for the following reasons. In the first place, I have been personally connected with irrigation in both countries, and can therefore handle the facts, relating to them, as one having authority on the subject, and not as the scribes, Whose methods I might be imitating were I to draw my illustrations from the records of other countries. In the second place, it is India that furnishes examples of irrigation on the largest scale, and that has been the school in which all British irrigation engineers, previously to England's occupa tion of Egypt, have undergone their training. Moreover, the excellent standard work on the subject, The Irrigation Works of India, by R. B. Buckley, provides in a convenient form more than enough material for copious illustrations, and I have made much use of it, with Mr. Buckley's kind permission. But it will be found that Egypt has been the favourite source of my borrowing. There are two good (so it appears to me) reasons for this. The first is that I am intimately acquainted with Egypt as an irrigating country. The second is that Egypt is par excellence the country of irrigation, as it is wholly depen dent for its existence on its mother, the Nile, from which it has never been weaned. 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: Bernard Alfred Etcheverry Publisher: Forgotten Books ISBN: 9780364780213 Category : Technology & Engineering Languages : en Pages : 450
Book Description
Excerpt from Irrigation Practice and Engineering, Vol. 2 The preparation of these two volumes results in part from the development of a course in Irrigation engineering presented at the University of California. It is based on an acquaintance with a large number of irrigation systems, located in most of the States of the western part of the United States and in western Canada, Obtained through many Opportunities for examination of these projects and through connection with a number of them. The writer has not confined himself to his own experience and observations, but has discussed the principles of irrigation engineering presented in this work with a number of successful engineers, who have had much experience in the construction and Operation of irrigation systems. He has also availed himself not only of contemporary literature pertaining to American Irrigation engineering, but has consulted a large collection of foreign publications, mostly from India, Egypt, Spain and France. While there is still considerable difference of Opinion among engineers regarding some of the principles of design of irrigation works, it is believed that the Opinions and principles presented are in accordance with correct theory and good practice as demonstrated by careful observation. 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: Bernard Alfred Etcheverry Publisher: Forgotten Books ISBN: 9780267978649 Category : Technology & Engineering Languages : en Pages : 498
Book Description
Excerpt from Irrigation Practice and Engineering, Vol. 3 The preparation of these two volumes results in part from the development of a course in Irrigation engineering presented at the University of California. It is based on an acquaintance with a large number of irrigation systems, located in most of the States Of the western part of the United States and in western Canada, obtained through many Opportunities for examination of these projects and through connection with a number of them. The writer has not confined himself to his own experience and Observations, but has discussed the principles of irrigation engineering presented in this work with a number of successful engineers, who have had much experience in the construction and Operation of irrigation systems. He has also availed himself not only of contemporary literature pertaining to American Irrigation engineering, but has consulted a large collection of foreign publications, mostly from India, Egypt, Spain and France. While there is still considerable difference of Opinion among engineers regarding some Of the principles of design Of irrigation works, it is believed that the Opinions and principles presented are in accordance with correct theory and good practice as demonstrated by careful Observation. 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: R. R. Bruce Publisher: Forgotten Books ISBN: 9781390015089 Category : Business & Economics Languages : en Pages : 68
Book Description
Excerpt from Irrigation of Crops in the Southeastern United States: Principles and Practice For typical crop, soil, and climate situations, procedures are outlined for selecting irrigation equipment and for operating the equipment to provide the dependable soil-water control necessary for meeting a crop's water needs. The recommended procedures emphasize crop and soil characteristics and the maintenance of a critical soil volume at less than a specified soil-water suction. Equal emphasis is placed upon excessive water application and the leaching of nitrogen or other mobile nutrients out of the root zone. The option of supplying certain chemicals, particularly readily leached nutrients, through the irrigation system is discussed. 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: Bernard Alfred Etcheverry Publisher: Forgotten Books ISBN: 9780266273615 Category : Technology & Engineering Languages : en Pages : 244
Book Description
Excerpt from Irrigation Practice and Engineering, Vol. 1 The seasonal duty, which gives the variations in water demand and consumption during the different months Of the irrigation season, has been worked out for a large number of projects and should be considered in the planning Of the carrying capacities of the canals of an irrigation system. Chapter VI describes the methods of preparing land for irriga tion and the methods Of applying water to the land. A knowl edge Of these subjects is necessary to Obtain the economic use Of water and is important in the design Of the distribution system and in the operation of the project. 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 A. Widtsoe
Author: John A. Widtsoe
Author: John Andreas Widtsoe
Author: F. H. King
Author: Hanbury Brown
Author: John Andreas Widtsoe
Author: Bernard Alfred Etcheverry
Author: Bernard Alfred Etcheverry
Author: JOHN A. WIDTSOE
Author: R. R. Bruce
Author: Bernard Alfred Etcheverry