The zinc quantity-intensity relationships in four different soils as influenced by phosphorus

摘要: Using the quantity-intensity (Q/I) approach, authors evaluated effect of different levels phosphorus on zinc equilibria in four soils having widely characteristics. Although these showed marked differences their Q/I parameters, plots ..delta..Zn/sub ex/ AR/sup Zn/ remained unchanged treatment with low to high rates P (0 1200 ..mu..g g/sup -1/ soil), and isotherms Zn-(Ca + Mg) exchange for a soil at were superimposable. It was apparent from studies that applying did not decrease Zn intensity solution. Zinc buffer capacity studied increasing order Gangtok acid soil, Gurdaspur neutral Ludhiana alkaline Bhatinda calcareous soil; reverse true values.