FOSFOR BILAN TURLI DARAJADA TA’MINLANGAN SUG‘ORILADIGAN TIPIK BO‘Z TUPROQLARDA FOSFOR ADSORBSIYASI

Abstract

The article presents the results of studies on the effect of applied phosphorus on phosphorus adsorption and its equilibrium concentration in old-irrigated typical sierozems of Tashkent region with different levels of mobile phosphorus. The analyses revealed that with an increase in the rate of applied phosphorus, the amount of adsorbed phosphorus and its equilibrium concentration in the soil solution increase. The dependence of the standard soil requirement for phosphorus (0.2 mg/l) on the level of their provision with mobile phosphorus is shown.

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