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Author : Winifred Elsie Brenchley
Publisher :
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.F/5 ( download)
Download or read book Inorganic plant poisons and stimulants written by Winifred Elsie Brenchley and published by . This book was released on 1914 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Winifred E. Brenchley
Publisher : Cambridge University Press
ISBN 13 : 110750239X
Total Pages : 163 pages
Book Rating : 4.1/5 (75 download)
Download or read book Inorganic Plant Poisons and Stimulants written by Winifred E. Brenchley and published by Cambridge University Press. This book was released on 2015-04-09 with total page 163 pages. Available in PDF, EPUB and Kindle. Book excerpt: First published in 1927, this book examines the effect of various inorganic substances on the growth of plants. Brenchley performs experiments to prove that certain compounds then in use in artificial fertilisers sometimes had a deleterious effect on the plants to which they were applied in various settings.
Author : Winifred Elsie Brenchley
Publisher : Theclassics.Us
ISBN 13 : 9781230287379
Total Pages : 44 pages
Book Rating : 4.2/5 (873 download)
Download or read book Inorganic Plant Poisons and Stimulants written by Winifred Elsie Brenchley and published by Theclassics.Us. This book was released on 2013-09 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1914 edition. Excerpt: ... CHAPTER VIII CONCLUSIONS In the foregoing chapters a very limited number of plant poisons have been considered, yet there is sufficient evidence to show that even these few differ considerably in their action upon plant-life. This action is most variable, and it is impossible to foretell the effect of any substance upon vegetative growth without experiments. The degree of toxicity of the different poisons is not the same, and also one and the same poison varies in the intensity and nature of its action on different species of plants. While certain compounds of copper, zinc and arsenic are exceedingly poisonous, compounds of manganese and boron are far less deleterious, so that a plant can withstand the presence of far more of the latter substances than of the former. Again, the tested compounds of copper, zinc and arsenic do not seem to stimulate growth, even when they are applied in the smallest quantities, whereas very dilute solutions of manganese and boron compounds decidedly increase growth. But, differentiation occurs even in this stimulative action, for while manganese is the more effective in stimulating barley, boric acid is far more potent for peas, the shoots being particularly improved. A consideration of the experimental work that has been done on this subject of poisoning and stimulation leads one to the inevitable conclusion that it is not true to maintain the hypothesis that all inorganic plant poisons act as stimulants when they are present in very small quantities, for while some poisons do increase plant growth under such conditions, others fail to do so in any circumstances. It is probable that what has been found true with the few substances tested would prove to be similarly true over a much wider range of poisons, ..
Author : Winifred E. Brenchley
Publisher :
ISBN 13 : 9781331973416
Total Pages : 142 pages
Book Rating : 4.9/5 (734 download)
Download or read book Inorganic Plant Poisons and Stimulants (Classic Reprint) written by Winifred E. Brenchley and published by . This book was released on 2015-07-22 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Inorganic Plant Poisons and Stimulants During the last century great and widespread changes have been made in agricultural practice - changes largely associated with the increase in the use of artificial fertilisers as supplements to the bulky organic manures which had hitherto been used. The value of certain chemical compounds as artificial manures is fully recognised, yet many attempts are being made to prove the value of other substances for the same purpose, with a view to increase in efficiency and decrease in cost. The interest in the matter is naturally great, and agriculturists, botanists and chemists have all approached the question from their different standpoints. In the following pages an attempt is made to correlate the work that has been done on a few inorganic substances which gave promise of proving useful in agricultural practice. Much of the evidence put forward by different workers is conflicting, and it is clear that no definite conclusions can yet be reached. Nevertheless, examination of the evidence justifies the hope that results of practical value will yet be obtained, and it is hoped that the analysis and coordination of the available data put forward in this book will aid in clearing the ground for those investigators who are following up the problem from both the academic and the practical standpoints. 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 : Winifred Elsie Brenchley
Publisher :
ISBN 13 : 9781374057425
Total Pages : 142 pages
Book Rating : 4.0/5 (574 download)
Download or read book INORGANIC PLANT POISONS & STIM written by Winifred Elsie Brenchley and published by . This book was released on 2016-08-29 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Winifred E. Brenchley
Publisher :
ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.:/5 (458 download)
Download or read book Inorganic Plant Poisons and Stimulants, by Winifred E. Brenchley, ... written by Winifred E. Brenchley and published by . This book was released on 1914 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Winifred Elsie BRENCHLEY
Publisher :
ISBN 13 :
Total Pages : 134 pages
Book Rating : 4.:/5 (557 download)
Download or read book Inorganic Plant Poisons and Stimulants. With Plates and a Bibliography. written by Winifred Elsie BRENCHLEY and published by . This book was released on 1927 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Winifred Elsie Brenchley
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (18 download)
Download or read book Inorganic Plant Poisons and Stimulants, By Winifred E. Brenchley written by Winifred Elsie Brenchley and published by . This book was released on 1914 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marjorie Cotton
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (561 download)
Download or read book A General Review of Inorganic Plant Poisons and Stimulants and a Special Examination of the Toxicity of Iodine and Nickel to Buckwheat Grown in Solution Cultures written by Marjorie Cotton and published by . This book was released on 1929 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : CUP Archive
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4./5 ( download)
Download or read book Inorganic Plant Poisons and Stimulants written by and published by CUP Archive. This book was released on with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Winifred Elsie Brenchley
Publisher : Createspace Independent Publishing Platform
ISBN 13 :
Total Pages : 146 pages
Book Rating : 4.3/5 (91 download)
Download or read book Inorganic Plant Poisons and Stimulants written by Winifred Elsie Brenchley and published by Createspace Independent Publishing Platform. This book was released on 1914 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the last century great and widespread changes have been made in agricultural practice-changes largely associated with the increase in the use of artificial fertilisers as supplements to the bulky organic manures which had hitherto been used. The value of certain chemical compounds as artificial manures is fully recognised, yet many attempts are being made to prove the value of other substances for the same purpose, with a view to increase in efficiency and decrease in cost. The interest in the matter is naturally great, and agriculturists, botanists and chemists have all approached the question from their different standpoints. In the following pages an attempt is made to correlate the work that has been done on a few inorganic substances which gave promise of proving useful in agricultural practice. Much of the evidence put forward by different workers is conflicting, and it is clear that no definite conclusions can yet be reached. Nevertheless, examination of the evidence justifies the hope that results of practical value will yet be obtained, and it is hoped that the analysis and coordination of the available data put forward in this book will aid in clearing the ground for those investigators who are following up the problem from both the academic and the practical standpoints.
Author :
Publisher :
ISBN 13 :
Total Pages : 338 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Journal of Ecology written by and published by . This book was released on 1915 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. 16-21 include supplement: British empire vegetation abstracts.
Author :
Publisher :
ISBN 13 :
Total Pages : 364 pages
Book Rating : 4.7/5 (37 download)
Download or read book The Plant World written by and published by . This book was released on 1915 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 618 pages
Book Rating : 4.:/5 (3 download)
Download or read book International Sugar Journal written by and published by . This book was released on 1915 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Harold C. Long
Publisher :
ISBN 13 :
Total Pages : 140 pages
Book Rating : 4.F/5 ( download)
Download or read book Plants poisonous to live stock written by Harold C. Long and published by . This book was released on 1917 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Harold Cecil Long
Publisher : DigiCat
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.8/5 (596 download)
Download or read book Plants Poisonous to Live Stock written by Harold Cecil Long and published by DigiCat. This book was released on 2022-07-21 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: The preparation of this handbook was undertaken because of the great lack of readily available and reliable information on the subject in English scientific literature. Many of the facts were known to a few interested persons, but many others were so scattered here and there in technical reports and journals that they were scarcely known even to expert chemists and botanists. The subject is of importance for farmers and veterinary surgeons alike, for the annual loss of stock due to poisonous plants, though not ascertainable, is undoubtedly considerable. It was felt that notes on mechanical injury caused by plants and on the influence of plants on milk might usefully be included, as in some degree related to poisoning; this has therefore been done. On the other hand, a number of cultivated plants (e.g. Rhus, Wistaria) which are poisonous have not been included because exotic and hardly likely to be eaten by stock. Fungi generally also find no place in the volume, as they are sufficiently extensive to deserve a volume to themselves, and are far less readily identified than flowering plants. The dividing line between plants that are actually poisonous and those which are only suspected is far from clear, but a division was considered desirable for the convenience of the reader, and an endeavor has been made to give a sound but brief statement as to the present information on plants poisonous to livestock in the United Kingdom, with symptoms, toxic principles, and a list of the more important references to the bibliography in relation to each plant included in Chapters II to VI (the numbers corresponding with the numbers in the Bibliography).
Author : Rothamsted Experimental Station
Publisher :
ISBN 13 :
Total Pages : 546 pages
Book Rating : 4.3/5 (91 download)
Download or read book Rothamsted Memoirs on Agricultural Chemistry and Physiology written by Rothamsted Experimental Station and published by . This book was released on 1914 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt:
