Tools For Assessing Phosphorus Loss From Nordic Agriculture
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Tools for Assessing Phosphorus Loss from Nordic Agriculture by Edited by: Goswin Heckrath, Marianne Bechmann, Petri Ekholm, Faruk Djodjic, Barbro Ulén, Hans Estrup Andersen and Preben Olsen Pdf
Phosphorus in Agriculture: 100 % Zero by Ewald Schnug,Luit J. De Kok Pdf
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.
Abstract: The Nordic countries have, during the last 20 years, introduced efficient measures to reduce nitrogen losses to the environment. Still, nitrogen losses from the agricultural sector are high. In this report we provide recommendations on strategies and policy instruments to achieve cost effective abatement of reactive nitrogen from agriculture in the Nordic countries.This report is based on a literature review. Additional input was also obtained from discussions at a workshop held in Gothenburg in January 2017. The workshop made it possible for experts from the four Nordic countries Denmark, Finland, Norway and Sweden to come together and discuss and compare policies and mitigation measures regarding nitrogen and agriculture. During the workshop we identified a number of policy challenges, policy actions and also knowledge gaps where further research is needed
Emmanuel Frossard,Winfried E. H. Blum,Benno P. Warkentin
Author : Emmanuel Frossard,Winfried E. H. Blum,Benno P. Warkentin Publisher : Geological Society of London Page : 216 pages File Size : 49,5 Mb Release : 2006 Category : Nature ISBN : 1862392072
Function of Soils for Human Societies and the Environment by Emmanuel Frossard,Winfried E. H. Blum,Benno P. Warkentin Pdf
The papers in this volume address issues of soil formation, soil management, soil protection and the role of biodiversity that must be considered for a sustainable soil use. The papers are aimed at geoscientists in the broadest sense, and others concerned with soil use who will also find chapters relevant to their interests. Soils knowledge used within other Earth sciences is essential for maintaining healthy ecosystems, for the solutions of problems in environmental quality and for sustainable use of soils by humans.
Phosphorus Loss from Soil to Water by H. Tunney Pdf
Eutrophication, caused by phosphorus enrichment, is not a new environmental problem. The persistence of eutrophication in an era when many point-source phosphorus inputs have been curtailed has turned the focus of attention to agricultural phosphorus. A workshop was held in Ireland in 1995 to discuss factors controlling phosphorus losses to water from agriculture. This book presents the proceedings of the workshop and consists of 18 chapters by the invited speakers and three chapters with the 45 poster papers displayed at the workshop.
F. E. Khasawneh,E. C. Sample,E. J. Kamprath,Tennessee Valley Authority,American Society of Agronomy
Author : F. E. Khasawneh,E. C. Sample,E. J. Kamprath,Tennessee Valley Authority,American Society of Agronomy Publisher : Unknown Page : 940 pages File Size : 44,8 Mb Release : 1980 Category : Science ISBN : WISC:89007604366
The Role of Phosphorus in Agriculture by F. E. Khasawneh,E. C. Sample,E. J. Kamprath,Tennessee Valley Authority,American Society of Agronomy Pdf
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.