Phosphate Availability And Supply
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Phosphate Availability And Supply
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Author : Richard J. Fantel
language : en
Publisher:
Release Date : 1988
Phosphate Availability And Supply written by Richard J. Fantel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Phosphate rock categories.
Phosphorus In Soils And Plants
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Author : Naser A. Anjum
language : en
Publisher: BoD – Books on Demand
Release Date : 2024-01-31
Phosphorus In Soils And Plants written by Naser A. Anjum and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-01-31 with Technology & Engineering categories.
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.
Phosphates A Case Study Of A Valuable Depleting Mineral In America
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Author : United States. General Accounting Office
language : en
Publisher:
Release Date : 1979
Phosphates A Case Study Of A Valuable Depleting Mineral In America written by United States. General Accounting Office and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Phosphates categories.
Phosphorus In Agriculture 100 Zero
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Author : Ewald Schnug
language : en
Publisher: Springer
Release Date : 2016-06-14
Phosphorus In Agriculture 100 Zero written by Ewald Schnug and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-06-14 with Science categories.
The title ‘Phosphorus in Agriculture: 100 % Zero’ is synonymous for make-or-break. And it stands up to the promise. This book sends an important message as it delivers background information, intrinsic hypotheses, validation approaches and legal frameworks, all for balanced phosphorus fertilization in agriculture. This implies firstly that the phosphorus requirement of crop is fully satisfied by applying exclusively fertilizers which contain the nutrient in completely available form. Secondly, environmental demands through eutrophication and hazardous contaminants must not be compromised. The book identifies equally knowledge gaps and deficits in the transformation and implementation of research into practice. Bottom line is that research delivers the tools for a sustainable phosphorus management while legal frameworks are insufficient.
The Influence Of Nitrogenous Fertilizers Upon The Availability Of The Phosphorus Potassium And Calcium In The Soil
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Author : Joseph Franklin Fudge
language : en
Publisher:
Release Date : 1928
The Influence Of Nitrogenous Fertilizers Upon The Availability Of The Phosphorus Potassium And Calcium In The Soil written by Joseph Franklin Fudge and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1928 with Nitrogen fertilizers categories.
World And Regional Supply And Demand Balances For Nitrogen Phosphate And Potash 1993 94 1999 2000
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Author : World Bank/FAO/UNIDO/Industry Fertilizer Working Group
language : en
Publisher: World Bank Publications
Release Date : 1995
World And Regional Supply And Demand Balances For Nitrogen Phosphate And Potash 1993 94 1999 2000 written by World Bank/FAO/UNIDO/Industry Fertilizer Working Group and has been published by World Bank Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Business & Economics categories.
Since 1991 the World Bank has been publishing "The World and Regional Supply and Demand Balances for Nitrogen, Phosphate, and Potash" on an annual basis in the form of World Bank Technical Papers. The current publication again provides statistical data in tabular format on the most recent historical fertilizer nutrient supply and demand balances as well as a five-year forecast and is based on the August 1995 assessments by the World Bank, the Food and Agriculture Organization (FAO) of the United Nations (UN), the United Nations Industrial Development Organization (UNIDO), and the Industry Fertilizer Working Group (the "Group"). Global and regional data are presented for the three main fertilizer nutrients: nitrogen, phosphate, and potash. A brief introduction supplies some background on the activities and composition of the Group and explains its methodologies used for the projections.
Phosphates In Agriculture
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Author : Vincent Sauchelli
language : en
Publisher:
Release Date : 1965
Phosphates In Agriculture written by Vincent Sauchelli and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Science categories.
Plant Adaptations To Phosphate Deficiency
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Author : Alex Joseph Valentine
language : en
Publisher: Frontiers Media SA
Release Date : 2021-05-18
Plant Adaptations To Phosphate Deficiency written by Alex Joseph Valentine and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-05-18 with Science categories.
Phosphate is an essential mineral to all plants, and its availability in soils is an increasing challenge for agriculture. Phosphate is abundant in soils but its biological availability is often low due to the complexes that it forms with soil minerals and compounds. The biological availability of Phosphate is further reduced in acidic soils, which represent approximately 40% of earth’s arable agricultural lands. Agricultural systems compensate Phosphate deficiency with fertilizers coming from the mining of rock phosphate, which is estimated to exhaust within the next 50 years. For these reasons, Phosphate limitations in natural and agricultural ecosystems is going to become a global problem, and we urgently need to better understand how plants respond to Phosphate deficiency.
The Role Of Phosphorus In Agriculture
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Author : F. E. Khasawneh
language : en
Publisher:
Release Date : 1980
The Role Of Phosphorus In Agriculture written by F. E. Khasawneh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Science categories.
World phosphate reserves and resources; The phosphate industry of the United States; Evaluation of phosphatic raw materials; Phosphate raw materials and fertilizers: part I - a look ahead; Phosphate raw materials and fertilizers: part II - a case history of marginal raw materials; Sulfur requirements of the phosphate fertilizer industry; Phosphoric acid technology; Phosphate fertilizers and process technology; World phosphate fertilizer supply-demand outlook; Energy requirements for the production of phosphate fertilizers; Energy of phosphate fertilizer applications and food energy returns; Reactions of phosphate fertilizers in soils; Agronomic effectiveness of phosphate fertilizers; Evaluation and utilization of residual phosphorus in soils; Use and limitations of physical-chemical criteria for assessing the status of phosphorus in soils; Assessing organic phosphorus in soils; Conventional soil and tissue tests for assessing the phosphorus status of soils; Management considerations for acid; Use of waste materials as sources of phosphorus; Agricultural phosphorus in the environment; Phosphate nutrition of plants - a general treatise; Soil-plant interactions in the phosphorus nutrition of plants; Role of rhizosphere microorganisms in phosphorus uptake by plants; Interactions of phosphorus with other elements in soils and in plants; Phosphate nutrition of corn, sorghum, soybeans, and small grains; Phosphorus nutrition of cotton, peanuts, rice, sugarcane, and tobacco; Phosphorus nutrition of vegetable crops and sugar beets; Phosphorus nutrition and fertilization of forest trees; Phosphorus nutrition of forages; Relationship between phosphorus nutrition of plants and the phosphorus nutrition of animals and man.
Soil Phosphorus
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Author : Rattan Lal
language : en
Publisher: CRC Press
Release Date : 2016-09-19
Soil Phosphorus written by Rattan Lal and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-19 with Nature categories.
Phosphorus is an essential plant nutrient, but global population growth has dramatically reduced the availability of phosphorus fertilizer resources. Despite this scarcity, there remain numerous problems associated with the excessive and inappropriate use of phosphorus leading to non-point source pollution and eutrophication of natural waters. Identifying appropriate systems for managing soil phosphorus and reducing the risks of eutrophication are needed to minimize the environmental risks. This book focuses on the availability and recycling of phosphorus; regulatory and policy issues of sustainable phosphorus use; and water quality management in agroecosystems pertaining to phosphorus. Sections are dedicated to global phosphorus reserves; cycling and pathways of phosphorus; phosphorus in agriculture; human dimensions and policy intervention; and research and development priorities. Phosphorus is a finite but crucial resource and is an essential element to all life. Sub-optimal availability and nutrient imbalance in the root zone can adversely impact plant growth, and the quality of food and feed grown on these soils. However, the proven reserves of phosphorus can hardly be adequate for a few centuries only. Yet, its misuse and mismanagement has caused severe problems of eutrophication of water and pollution of the environment. Thus, judicious management of soil phosphorus is essential. This volume is specifically devoted to availability and recycling of phosphorus, regulatory/policy issues of sustainable use of phosphorus, and management in agroecosystems in the context of maximizing the use efficiency and minimizing the environmental risks of water quality.