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Advances in Soil Science - Volume 20 (Paperback, Softcover reprint of the original 1st ed. 1992)
Loot Price: R2,797
Discovery Miles 27 970
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Advances in Soil Science - Volume 20 (Paperback, Softcover reprint of the original 1st ed. 1992)
Series: Advances in Soil Science, 20
Expected to ship within 10 - 15 working days
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The key to sustaining the soil resource base is to maintain, or
enhance, soil quality. Soil quality cannot be seen or measured
directly from the soil alone but is inferred from soil
characteristics and soil behavior under defined conditions. In
essence, the quality of soils is analogous to the health of humans,
and just as there is no single characteristic that can be measured
to quantify a person's health, there is no single measurement that
can quantify soil quality. However, there are certain
characteristics, particularly when considered together, that are
good indicators. Soil quality, just as human health, can be
maintained or enhanced by good management practices; and seriously
degraded-sometimes irrevers ibly-with poor practices. Soil quality
is also important because it has direct and indirect effects on air
quality and water quality. While the enhancement of soil quality
does not always assure parallel improvements in the quality of air
and, particularly, water resources, this is often the case.
However, soil deg radation is invariably accompanied by degraded
qualities of both air and water resources. The consensus among many
scientists is that the greatest challenge is not increasing
production, but preventing serious deterioration of the soil and
water resource base so that the production level can be sustained."
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