Co-Authors:
Kafkafi, U., Volcani Institute of Agricultural Research, Rehovot, Israel
Giskin, M., Volcani Institute of Agricultural Research, Rehovot, Israel
Hagin, J., Technion—Israel Institute of Technology, Haifa, Israel
Abstract:
Phosphate adsorption and desorption in conjunction with silica desorption, were studied on soils of two field experiments. The soil samples were taken from control plots and plots that had received a total of 14 ton/ha superphosphate over a three‐year period. Initially, silica desorption was increased by P added in the past as fertilizer and that added in equilibration solutions. Subsequently, after repeated washings, the rate of silica desorption was independent of the previous phosphate treatment. The adsorbed P was completely leached from the high P fertilized samples but not from those of the control. The slow reaction of phosphate with the soil was accompanied by a release of silica to the equilibrium solution. Most of the slow reaction product was not isotopically exchangeable in 48 hr. Copyright © 1970 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
תפריט נגישות
ניגודיות עדינה
מונוכרום
הדגשת קישורים
חסימת אנימציה
פונט קריא
סגור
איפוס הגדרות נגישות
להורדת מודול נגישות חינם
