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Author: Samir Aida Publisher: LAP Lambert Academic Publishing ISBN: 9783659639746 Category : Languages : en Pages : 124
Book Description
Two Pot experiments were conducted to study the effect of some characteristic of calcareous soil on available phosphorus on North Africa by wheat plant. Four soils from the north western coast of Egypt, Located at 160km Cairo Alexandria desert Road and EL-Nubaryia Agric. Res. Station were chosen for this study to represent the calcareous soils of the north western coast of Egypt as part of the Northern Coast of Africa.
Author: Samir Aida Publisher: LAP Lambert Academic Publishing ISBN: 9783659639746 Category : Languages : en Pages : 124
Book Description
Two Pot experiments were conducted to study the effect of some characteristic of calcareous soil on available phosphorus on North Africa by wheat plant. Four soils from the north western coast of Egypt, Located at 160km Cairo Alexandria desert Road and EL-Nubaryia Agric. Res. Station were chosen for this study to represent the calcareous soils of the north western coast of Egypt as part of the Northern Coast of Africa.
Author: P L 1883-1972 Gile Publisher: Legare Street Press ISBN: 9781022744165 Category : Languages : en Pages : 0
Book Description
This scientific study investigates the impact of highly calcareous soils on the growth and ash composition of specific plant species. The author's findings provide valuable insights for agricultural researchers and practitioners seeking to optimize crop yields in calcareous soil environments. 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. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: P. L. Gile Publisher: Forgotten Books ISBN: 9780266247012 Category : Business & Economics Languages : en Pages : 56
Book Description
Excerpt from The Effect of Strongly Calcareous Soils on the Growth and Ash Composition of Certain Plants There is, however, an extensive literature on calciphilous and calcifugous plants, which for the most part consists of observations on the occurrence or nonoccurrence of plants on calcareous soils.1 These studies, which have afforded rather conflicting results, seem to Show that there are a very few plants which never occur naturally on calcareous soils, but the Observations do not Show with certainty whether this is due to the physical or chemical character Of the soils. There are also some culture experiments which show that some plants, as certain varieties of lupines,2 sphagnum moss,3 s'erradella,4 pine apples,5 etc., are intolerant of calcareous soils. 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: Alex Maltman Publisher: Oxford University Press ISBN: 0190863285 Category : Cooking Languages : en Pages : 273
Book Description
This pioneering book explains geology wholly in the context of wine, including how it works in vineyards and its possible effects on wine taste.
Author: Edith Aguila Alcantara Publisher: Cuvillier Verlag ISBN: 3736921438 Category : Science Languages : en Pages : 164
Book Description
Calcareous soils are common in the semiarid tropics, but little is known about the influence of land use changes on their fertility. In these soils, the presence of free carbonates may cause some nutritional problems such as deficiencies in P and cation imbalances. Four tropical calcareous soils from Yucatan, Mexico, and Villa Clara, Cuba were assessed in this research. In Mexico, the selected soils were redish brown redzinas and black lithosols. In Cuba; they were brown calcareous (Orthic-Calcaric Cambisol) and humus-rich calcareous (Hyper-Calcaric Phaeozem) soils. Three main land uses were considered for each country. In the Yucatecan group were chose three main land uses: milpa, forest, and homegardens. At the Cuba sites: sugarcane monoculture, pasture and woodland (isolated patches of secondary vegetation) were the selected land uses. The aim of this study was characterize the main indicators of soil fertility for these calcareous soils. With this purpose, the amounts of SOC and total N were determined as basic indicators of soil quality. Also, the exchangeable Ca, Mg and K were measured, in order to identify imbalance problems among them. P distribution based on its bioavailability was assessed considering that P is the most limiting nutrient in semiarid ecosystems. As well, the effect of soil moisture on nutrient availability was another aim of the research. To this end, an incubation experiment using ion exchange membranes was done. In this thesis, the different topics above mentioned were grouped in three experimental chapters (Chapter 2 to Chapter 4) and the major findings were highlighted in the conclusion chapter (Chapter 5).
Author: Javier Abadía Publisher: Springer Science & Business Media ISBN: 9401105030 Category : Science Languages : en Pages : 389
Book Description
Iron is a major constituent of the earth crust. However, under alkaline conditions commonly found in arid and semi-arid environments iron becomes unavailable to plants. When plants are affected by a shortage of iron their leaves become yellow (chlorotic), and both plant growth and crop yield are reduced. The roots of plants affected by iron deficiency may develop a series of responses directed to improve iron uptake, such as increased proton excretion and iron reduction capabilities or excretion of iron chela tors called siderophores. Iron deficiency affects major crops worldwide, including some of major economic importance such as fruit trees and others. Correction of iron deficiency is usually implemented through costly application of synthetic chelates. Since these correction methods are very expensive, the competitivity of farmers is often reduced and iron deficiency may become a limiting factor for the maintenance, introduction or expansion of some crops. In spite of the many years devoted to the study of iron deficiency, the knowledge of iron deficiency in soils and plants is still fragmentary in many aspects. We have only incomplete information on the processes at the molecular level that make some plant species and cultivars unable to take and utilize iron from the soil, whereas other plants grow satisfactorily under the same conditions.
Author: Samir Aida
Author: Samir Aida
Author: Charles Franklin Kinman
Author: P L 1883-1972 Gile
Author: P. L. Gile
Author: Philip Lindsey GILE (and AGETON (Charles N.))
Author: K. R. Demars
Author: Alex Maltman
Author: Edith Aguila Alcantara
Author: D. Yaalon
Author: Javier Abadía