Some Effects of Organic Matter on Phosphate Fixation in New York Soils PDF Download
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Author: Ernest Mapp Dunton (jr.)
Publisher:
ISBN:
Category : Soils
Languages : en
Pages : 260
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Book Description
Author: Ernest Mapp Dunton (jr.)
Publisher:
ISBN:
Category : Soils
Languages : en
Pages : 260
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Book Description
Author: Jesse Lowell Doughty
Publisher:
ISBN:
Category : Soils
Languages : en
Pages : 152
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Book Description
Author: Harold Francis Rhoades
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 36
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Book Description
Author: David Livingstone Dykstra
Publisher:
ISBN:
Category : 4-H clubs
Languages : en
Pages : 0
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Book Description
Author: Y. Chen
Publisher: Springer Science & Business Media
ISBN: 9400944268
Category : Technology & Engineering
Languages : en
Pages : 312
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Book Description
The use of organic residues as a means of maintaining and increasing soil fertility is of long-standing. This tradition has been somewhat neglected since the introduc tion of mineral fertilizers at low cost. More and more farmers and scientists are now showing renewed interest in the proper and effective use of org~tnic residues, composts and other recycled organic additives. The role and function of organic amendments in modern agricultural systems have become topics of major interest in the scientific and agricultural communities. Research work on residue disposal has provided new concepts on the interaction between organic components and soils as well as new handling technologies (e. g. pelletizing of organic residues). The trend to conserve energy has led scientists to study the minimal tillage system, to find ways of replacing conventional inorganic fertilizers with natural organic prod ucts or microbial preparations, and to develop new composting methods. The drive to achieve higher yields in commercial greenhouse farming has led to a search for optimum substrates as growth media and for improved management techniques. This has led to the introduction of organic substitutes for peat, nota bly those originating from agricultural wastes. Another important aspect is the current interest in organic farming, where use of synthetic chemicals is avoided or prohibited. An increasing percentage of the population in highly developed countries is willing to pay premium prices for food produced on soils where inorganic fertilizers and other agricultural chemicals have not been used.
Author: Harold Francis Rhoades
Publisher:
ISBN:
Category : Alkali lands
Languages : en
Pages : 23
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Author: Francois Buscot
Publisher: Springer Science & Business Media
ISBN: 3540266097
Category : Nature
Languages : en
Pages : 426
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Book Description
For this third volume of the series Soil Biology, internationally renowned scientists shed light on the significant roles of microbes in soil. Key topics covered include: bioerosion, humification, mineralization and soil aggregation; Interactions in the mycorrhizosphere; microbes and plant nutrient cycling; Microbes in soil surface or toxic metal polluted soils; Use of marker genes and isotopes in soil microbiology, and many more.
Author: Fred Magdoff
Publisher: Sare
ISBN: 9781888626131
Category : Humus
Languages : en
Pages : 294
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Book Description
"'Published by the Sustainable Agriculture Research and Education (SARE) program, with funding from the National Institute of Food and Agriculture, U.S. Department of Agriculture."
Author: F. J. Stevenson
Publisher: Wiley-Interscience
ISBN:
Category : Science
Languages : en
Pages : 408
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Book Description
The carbon cycle. Carbon balance of the soil and role of organic matter in soil fertility. Environmental aspects of the soil carbon cycle. The nitrogen cycle in soil: global and ecological aspects. The international cycle of nitrogen in soil. Impact of nitrogen on health and the environment. The phosporus cycle. The sulfur cycle. The micronutrient cycle.
Author: Cornell University
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 536
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Book Description
