Abstract
The purpose of our studies was to assess the dependence of yield, content and uptake of phosphorus by spring barley and the content of available forms as well as mineral fractions of this element in soil. The factors of the study were: liming, fertilization with two nitrogen forms at two levels and fertilization with phosphorus at two levels. Spring barley was harvested at its full maturity. The obtained results indicated that the yield of test plant depended on the content of phosphorus determined in NaHCO3, easily soluble phosphates and calcium phosphates (positive correlation) as well as the amount of aluminum phosphates (negative correlation). The content of phosphorus in grain depended above all on the content of available phosphorus and P-Al, P-Fe, P-Ca fractions. The uptake of phosphorus by plant was depended on the content of this element determined by means of water, acid sodium carbonate and the amount of easily soluble phosphates and aluminum phosphates.
Published Version
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