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Author : Derwyn W. Hammond
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (184 download)
Download or read book Effect of Band Geometry and Chemistry on Fertilizer Phosphorus Availability written by Derwyn W. Hammond and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effect of Band Geometry and Chemistry on Fertilizer Phosphorus Availability written by and published by . This book was released on 1908 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Growth chamber experiments were conducted from 1992 to 1994 on a calcareous silty clay loam soil (pH $\approx$ 7.9) low in levels of available phosphorus. A number of different band geometries were assessed for their effect on the efficiency of P utilization from applied monoammonium phosphate (MAP). Ammonium and magnesium sulfates, urea, and organic amendments (lignosulfonates) were also incorporated into P fertilizer bands to study their effect on uptake of applied P by plants. The MAP was labelled with the radioisotope $\sp{32}$P in order to determine utilization of fertilizer P specifically. Dry matter yields and total P uptake were also measured. Canola was very efficient at utilizing applied P, with no apparent benefit from increased area of application or dual banding with N. However, fertilizer P uptake by wheat increased slightly with area of application, Dual banding the P fertilizer with N or MgSO$\sb4$ stimulated P uptake by wheat. Ammonium sulfate was most effective in increasing P utilization. Urea initially slowed uptake, but increased P utilization at later stages of plant growth. Studies were also conducted using very wide band widths. Labelled MAP was randomly applied in powdered form to several points within the bands, to simulate granular applications. Ammonium sulphate was dual banded with the MAP granules (placed in direct contact) or randomly scattered within the band. Fertilizer P uptake declined slightly as band width increased from 2.5 to 15 cm, particularly at earlier growth stages. Dual banding with ammonium sulphate improved P fertilizer utilization and yield. (Abstract shortened by UMI.).
Author : Derwyn W. Hammond
Publisher :
ISBN 13 :
Total Pages : 252 pages
Book Rating : 4.:/5 (184 download)
Download or read book Effect of Band Geometry and Chemistry on Fertilizer Phosphorus Availability written by Derwyn W. Hammond and published by . This book was released on 1997 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 576 pages
Book Rating : 4.3/5 (91 download)
Download or read book Canadian Journal of Soil Science written by and published by . This book was released on 2004 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Wayne Blanchar
Publisher :
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.:/5 (319 download)
Download or read book A Study of Mechanisms for the Effect of Ammonium on the Availability of Fertilizer Phosphorus to Plants written by Robert Wayne Blanchar and published by . This book was released on 1964 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : V. N. Vij
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (698 download)
Download or read book Some Chemical and Physiological Effects of Nitrogen in a Fertilizer Phosphorus Band written by V. N. Vij and published by . This book was released on 1960 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 960 pages
Book Rating : 4.E/5 ( download)
Download or read book Annual Progress Review written by and published by . This book was released on 1986 with total page 960 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Douglas W. Beever
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (184 download)
Download or read book Effect of Various Nitrogen Fertilizers on Solubility and Plant Availability of Phosphorus in Dual N-P Bands written by Douglas W. Beever and published by . This book was released on 1987 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bahman Eghball
Publisher :
ISBN 13 :
Total Pages : 274 pages
Book Rating : 4.:/5 (17 download)
Download or read book Effect of Phosphorus Fertilizer Distribution in the Band on Grain Yield and P Uptake of Winter Wheat and Corn written by Bahman Eghball and published by . This book was released on 1987 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Douglas W. Beever
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.:/5 (184 download)
Download or read book Effect of Various Nitrogen Fertilizers on Solubility and Plant Availability of Phosphorus in Dual N-P Bands written by Douglas W. Beever and published by . This book was released on 1987 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Luke Gatiboni
Publisher : Frontiers Media SA
ISBN 13 : 2889663574
Total Pages : 140 pages
Book Rating : 4.8/5 (896 download)
Download or read book Legacy Phosphorus in Agriculture: Role of Past Management and Perspectives for the Future written by Luke Gatiboni and published by Frontiers Media SA. This book was released on 2021-01-07 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 676 pages
Book Rating : 4.F/5 ( download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1997 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Noémi M. Nagy
Publisher : CRC Press
ISBN 13 : 1000465187
Total Pages : 194 pages
Book Rating : 4.0/5 (4 download)
Download or read book Interfacial Chemistry of Rocks and Soils written by Noémi M. Nagy and published by CRC Press. This book was released on 2021-10-28 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Knowledge of the basic interactions that take place between geological materials and different substances is the first step in understanding the effects of adsorption and other interfacial processes on the quality of rocks and soils, and on driving these processes towards a beneficial or neutral result. Interfacial Chemistry of Rocks and Soils examines the different processes at solid and liquid interfaces of soil and rock, presenting a complete analysis that emphasizes the importance of chemical species on these interactions. This Second Edition features novel results in the field and expanded coverage of the kinetics of interfacial processes. New content includes models of heterogeneous isotope exchange, sorption isotherms for heterovalent cation exchange, as well as sorption of anions by chemically modified clays. Summarizing the results and knowledge of the authors’ research in this field over several decades, this volume: Explores the individual components of the studied systems: the solid, the solution, and the interface Discusses the characteristics and thermodynamics of the interface Profiles the most important analytical methods in the study of interfacial processes Demonstrates transformations initiated by interfacial processes Outlines avenues of treatment that may solve geological, soil science, and environmental problems Drawn chiefly from the authors’ years of research at the Imre Lajos Isotope Laboratory in the Department of Physical Chemistry at the University of Debrecen in Hungary, this book discusses chemical reactions on the surfaces/interfaces of soils and rocks; examines the role of these processes in environmental, colloid and geochemistry; and explores the effects on agricultural, environmental and industrial applications.
Author : Benjamin L. Turner
Publisher : CABI
ISBN 13 : 184593153X
Total Pages : 302 pages
Book Rating : 4.8/5 (459 download)
Download or read book Inositol Phosphates written by Benjamin L. Turner and published by CABI. This book was released on 2007 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: Inositol phosphates are a group of organic compounds found widely in the natural environment. They are important in agriculture because they constitute most of the phosphorus in grain seeds, but they cannot be digested by some animals. As a result, considerable research has been directed towards improving the digestibility of inositol phosphates in animal diets. Inositol phosphates are also abundant in soils and water bodies, yet a clear understanding of their behaviour in the environment remains elusive. This is surprising given the importance of phosphorus in the nutrition of both terrestrial and aquatic ecosystems. Written by leading experts, this book brings together critical reviews on inositol phosphates in agriculture, ecology, and the environment. The sixteen chapters cover a diverse range of topics, including the synthesis and hydrolysis of inositol phosphates, their role in animal nutrition, and their fate in soils and aquatic ecosystems. It will prove valuable to a wide readership in the agricultural and biological sciences, and will serve as a unique reference source on this emerging topic.
Author : Philip J. White
Publisher : Springer Science & Business Media
ISBN 13 : 1402084358
Total Pages : 296 pages
Book Rating : 4.4/5 (2 download)
Download or read book The Ecophysiology of Plant-Phosphorus Interactions written by Philip J. White and published by Springer Science & Business Media. This book was released on 2008-06-03 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phosphorus (P) is an essential macronutrient for plant growth. It is as phosphate that plants take up P from the soil solution. Since little phosphate is available to plants in most soils, plants have evolved a range of mechanisms to acquire and use P efficiently – including the development of symbiotic relationships that help them access sources of phosphorus beyond the plant’s own range. At the same time, in agricultural systems, applications of inorganic phosphate fertilizers aimed at overcoming phosphate limitation are unsustainable and can cause pollution. This latest volume in Springer’s Plant Ecophysiology series takes an in-depth look at these diverse plant-phosphorus interactions in natural and agricultural environments, presenting a series of critical reviews on the current status of research. In particular, the book presents a wealth of information on the genetic and phenotypic variation in natural plant ecosystems adapted to low P availability, which could be of particular relevance to developing new crop varieties with enhanced abilities to grow under P-limiting conditions. The book provides a valuable reference material for graduates and research scientists working in the field of plant-phosphorus interactions, as well as for those working in plant breeding and sustainable agricultural development.
Author : Benjamin L. Turner
Publisher : Cabi
ISBN 13 : 9780851998220
Total Pages : 399 pages
Book Rating : 4.9/5 (982 download)
Download or read book Organic Phosphorus in the Environment written by Benjamin L. Turner and published by Cabi. This book was released on 2005 with total page 399 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phosphorus is essential for life, yet is often the element most limiting for biological productivity. Although most organisms take up phosphorus in an inorganic form, organic forms frequently dominate in soils and aquatic systems. Up to this point, the role of organic phosphorus and mechanisms for its dynamics have been poorly understood. However, recent advances in research have shed new light on the subject and this book brings together these advances. It covers the transformation and characterization of organic phosphorus in both terrestrial and aquatic systems. It will attract a broad range of scientists from several disciplines.
Download or read book Bulletin of the Atomic Scientists written by and published by . This book was released on 1973-10 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.
