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In addition to their principal value as animal feed in the form of hay, pasture, and
silage, the clovers are valuable soil-improving and soil-conserving plants. Clover
adds about 55-170 kg per hectare (about 50-150 pounds per acre) of nitrogen ...
Clubroot is most severe in cool, poorly drained, acid to neutral soils. The disease
can be avoided by using disease-free transplants; growing plants in clean soil
and preventing contamination of such soil; applying, where feasible, large ...
Such a classification provides a ratio basis for balancing crops in the interest of
continuing soil protection and production economy. It is sufficiently flexible for
adjusting crops to many situations, for making changes when needed, and for ...
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