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Author: Andrew Robeson Whitson Publisher: Forgotten Books ISBN: 9781528272421 Category : Business & Economics Languages : en Pages : 324
Book Description
Excerpt from Soils and Soil Fertility The business of the farmer is to produce the various food materials and those from which clothing is made. These materials are of both animal and vegetable origin; but since all agricultural animals must depend on vegeta tion for their food, the growth Of farm crops forms the basis of all agriculture. 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: Andrew Robeson Whitson Publisher: Forgotten Books ISBN: 9781528272421 Category : Business & Economics Languages : en Pages : 324
Book Description
Excerpt from Soils and Soil Fertility The business of the farmer is to produce the various food materials and those from which clothing is made. These materials are of both animal and vegetable origin; but since all agricultural animals must depend on vegeta tion for their food, the growth Of farm crops forms the basis of all agriculture. 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: Alfred Vivian Publisher: Forgotten Books ISBN: 9780267986798 Category : Business & Economics Languages : en Pages : 278
Book Description
Excerpt from First Principles of Soil Fertility This little book is intended primarily for home read ing. It is written, however, largely from lecture notes used by the author in a course in soil fertility given to winter course students, and, therefore, will be found to be a suitable text for short courses. It is an at tempt to present in non-technical language a subject of great scientific and practical interest to the farmer. The subject of Soil Fertility is so large, that each phase of it could of necessity be only briefly considered in a small book, and the writer did not pretend to make the discussion of any topic exhaustive. For this reason some things have been omitted which might have been discussed with profit in a larger work. Only the more important facts concerning the maintenance of fertility have been presented, but it is believed that the statements so far as they go are in accord with the best scientific thought and practice of the day. 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: Cyril G. Hopkins Publisher: ISBN: 9781331921226 Category : Science Languages : en Pages : 80
Book Description
Excerpt from Soil Fertility Laboratory Manual Note. - The student practices described in this laboratory manual are the result of five years experience by the authors in conducting classes in a course of study in soil fertility. With some modifications the usual chemical methods are employed, specific chemical directions being commonly based upon those adopted by the Association of Official Agricultural Chemists. Otherwise these practices were originated in this University. The increasing number of students in this institution, and the fact that some other institutions also desire to use our manual, induced us to put it in printed form. Suggestions from other teachers of soil fertility regarding possible improvements in the manual will be gladly received. 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: Cyril G. Hopkins Publisher: Forgotten Books ISBN: 9780483270305 Category : Science Languages : en Pages : 64
Book Description
Excerpt from Laboratory Manual for Soil Fertility The increasing number of students in this institution, and the fact that some other institutions also desire to use our manual, induced us to put it in printed form. 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: Cyril George Hopkins Publisher: Franklin Classics ISBN: 9780342710485 Category : Languages : en Pages : 702
Book Description
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. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Oswald Schreiner Publisher: Forgotten Books ISBN: 9780260511584 Category : Science Languages : en Pages : 70
Book Description
Excerpt from Certain Organic Constituents of Soils in Relation to Soil Fertility This same bad effect of root excretions is also shown bv the effect of trees on wheat growing in conjunction with them, and is further illustrated by the poisonous effect. Which grass roots sometimes have on apple trees when sod is allowed to form in orchards. 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: James Edward Halligan Publisher: ISBN: 9781330831489 Category : Business & Economics Languages : en Pages : 412
Book Description
Excerpt from Soil Fertility and Fertilizers This book has been written to be within reach of the student, farmer, manufacturer and other persons interested in the subject of "Fertilizers." Technical terms have been omitted as much as possible. It has been the aim of the writer to bring this subject up to date, not only from the manufacturers viewpoint but from the actual field results as well. A full discussion of the data in the tables has necessarily been avoided so as not to make the book too voluminous. 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: Oswald Schreiner Publisher: Forgotten Books ISBN: 9780266275879 Category : Business & Economics Languages : en Pages : 22
Book Description
Excerpt from The Organic Constituents of Soils The soil is not simple, but complex. The soil properties and functions are likewise complex, not simple. All of the investigators preceding me in this symposium have emphasized to you by their papers how complex the subject is and how much remains to be done before a clear insight is Obtained, but they have also shown to you clearly that a well-trained army of scientists is at work on the prob lems connected with soil fertility, applying. Thereto all the principles of modern science. The Old view was simplicity itself; the soil was a mere trough in which the plant found its nourishment. But I can do no better than to let Liebig speak for himself. I quote from Letter XII of his Familiar Letters on Chemistry A field in which we cultivate the same plant for several successive years becomes barren for that plant in a period varying with the nature of the soil; in one field it will be three, in another seven, in a third twenty, in a fourth a hundred years. One field bears wheat and no peas; another beans and turnips but no tobacco; a third gives a plentiful crop of turnips but will not bear clover. What is the reason that a field loses its fertility for one plant, the same which at first flourished there? What is the reason one kind of plant succeeds in a field where another fails? 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: Boyd Ellis Publisher: CRC Press ISBN: 9781566702430 Category : Technology & Engineering Languages : en Pages : 308
Book Description
Soils are one of the world's most important resources, and their protection, maintenance, and improvement is critical to the continuance of life on earth. Soil Fertility, Second Edition, offers thorough coverage of the fertility, composition, properties, and management of soils. This book carries on the tradition of excellence established by authors Henry Foth and Boyd Ellis, leading soil scientists whose previous books in this field have become multi-edition classics. The Second Edition of Soil Fertility has been significantly expanded to include more information on mineralogy, while keeping the thorough coverage of essential topics. The book presents soils as dynamic, constantly changing bodies, and relates soil fertility and management to the mineralogy of their origin. Four new chapters offer updated information on soil charge properties, ion adsorption, exchange and fixation, and soil reaction. There is also a far greater emphasis on environmental issues, reflecting the increasing importance of environmental concerns to agronomists and soil scientists today.
Author: Andrew Robeson Whitson
Author: Andrew Robeson Whitson
Author: Alfred Vivian
Author: Edward John Russell
Author: Cyril G. Hopkins
Author: Cyril G. Hopkins
Author: Cyril George Hopkins
Author: Oswald Schreiner
Author: James Edward Halligan
Author: Oswald Schreiner
Author: Boyd Ellis