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Books > Earth & environment > Earth sciences > Geology & the lithosphere > Soil science, sedimentology
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The Role of Organic Matter in Modern Agriculture (Paperback, Softcover reprint of the original 1st ed. 1986)
Loot Price: R1,553
Discovery Miles 15 530
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The Role of Organic Matter in Modern Agriculture (Paperback, Softcover reprint of the original 1st ed. 1986)
Series: Developments in Plant and Soil Sciences, 25
Expected to ship within 10 - 15 working days
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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.
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