Estimation of Available Phosphorus in Soils by Extraction with Sodium Bicarbonate PDF Download
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Author: Sterling Robertson Olsen
Publisher:
ISBN:
Category : Soils
Languages : en
Pages : 20
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Book Description
Author: Sterling Robertson Olsen
Publisher:
ISBN:
Category : Soils
Languages : en
Pages : 20
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Book Description
Author: M.R. Carter
Publisher: CRC Press
ISBN: 1420005278
Category : Science
Languages : en
Pages : 1264
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Book Description
Thoroughly updated and revised, this second edition of the bestselling Soil Sampling and Methods of Analysis presents several new chapters in the areas of biological and physical analysis and soil sampling. Reflecting the burgeoning interest in soil ecology, new contributions describe the growing number and assortment of new microbiological
Author: G. Philip Robertson
Publisher: Oxford University Press
ISBN: 0198028261
Category : Science
Languages : en
Pages : 481
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Book Description
Standardized methods and measurements are crucial for ecological research, particularly in long-term ecological studies where the projects are by nature collaborative and where it can be difficult to distinguish signs of environmental change from the effects of differing methodologies. This second volume in the Long-Term Ecological Research (LTER) Network Series addresses these issues directly by providing a comprehensive standardized set of protocols for measuring soil properties. The goal of the volume is to facilitate cross-site synthesis and evaluation of ecosystem processes. Chapters cover methods for studying physical and chemical properties of soils, soil biological properties, and soil organisms, and they include work from many leaders in the field. The book is the first broadly based compendium of standardized soil measurement methods and will be an invaluable resource for ecologists, agronomists, and soil scientists.
Author: Keith B. Hoddinott
Publisher: ASTM International
ISBN: 0803114753
Category : Plant bioassay
Languages : en
Pages : 170
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Book Description
Selected papers from the symposium on [title] held in Atlantic City, New Jersey, June 1991, address topics in general soil tests, nutrient status, organic constitutents, heavy metal content, and liming requirement. No index. Annotation copyright Book News, Inc. Portland, Or.
Author: Naser A. Anjum
Publisher: BoD – Books on Demand
ISBN: 1837690359
Category : Technology & Engineering
Languages : en
Pages : 164
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Book Description
Phosphorus (P) stands second to nitrogen in terms of its essentiality as a plant macronutrient, as well as due to its involvement in almost all plant developmental stages, primary and secondary plant metabolisms, maintenance of membrane structures, and in the structural skeleton of major biomolecules. An optimum P-supply also helps plants combat abiotic stress impacts. Most P in soil remains unavailable for uptake by plants. P-containing fertilizers are being added to agricultural lands to sustain high yields. Only the least amount of the applied P (20%–30%) is used by most cultivated plants, and the rest remains as legacy P (P surpluses), which eventually causes eutrophication. This book, Phosphorus in Soils and Plants, reviews P in soils and plants, P dynamics in the soil–water–sediment environment, the major roles of P in the photosynthetic dark phase-biochemical pathways, major approaches for the sustainable management of P in agriculture, main mechanisms underlying the role of P in the regulation of plant–microbe interactions in the rhizosphere, literature on the role of microbial phosphate solubilization in management of soil and plant nutrients, and insights into P recovery through waste transformation. This volume is an important resource for plant biologists involved in teaching or research who wish to advance their knowledge of P in soils and plants.
Author: Daniel John Vogt
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 3110290472
Category : Science
Languages : en
Pages : 242
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Book Description
This handbook provides an overview of physical, chemical and biological methods used to analyze soils and plant tissue using an ecosystem perspective. The current emphasis on climate change has recognized the importance of including soil carbon as part of our carbon budgets. Methods to assess soils must be ecosystem based if they are to have utility for policy makers and managers wanting to change soil carbon and nutrient pools. Most of the texts on soil analyis treat agriculture and not forest soils and these methods do not transfer readily to forests because of their different chemistry and physical properties. This manual presents methods for soil and plant analysis with the ecosystem level approach that will reduce the risk that poor management decisions will be made in forests. This manual was intended for the instructors that teach students soil and plant analyses; however it can also be used by the research laboratories and by environmental scientists. The laboratory procedures in this manual are outlined in easy-to-follow steps and frequently accompanied with examples of calculations, questions to answer, and also a blank data sheet to use. These methods used in this manual can be used on soil and plant tissues found in agricultural, horticulture, forestry, urban, and natural lands.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 280
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Book Description
Author:
Publisher: Bib. Orton IICA / CATIE
ISBN:
Category :
Languages : en
Pages : 166
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Book Description
Author:
Publisher:
ISBN:
Category : Agricultural extension work
Languages : en
Pages : 302
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Book Description
Author: G. E. Rayment
Publisher: CSIRO PUBLISHING
ISBN: 064306768X
Category : Science
Languages : en
Pages : 517
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Book Description
Describes over 200 laboratory and field chemical tests relevant to Australasia and beyond.
