Soils can be thought of as storehouses for plant nutrients. Many nutrients, such as calcium and magnesium, may be supplied to plants solely from reserves held in the soil. Others like potassium are ...
Plant and Soil, Vol. 106, No. 2 (February (II), 1988), pp. 159-169 (11 pages) Nitrogen mineralization kinetics of Costa Rican soils developed from volcanic ash were investigated. Two aspects of the ...
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