ÃÈÏÑÎÂÀÍÈÅ ÏÎ×ÂÛ (îò ãðå÷. gypsos — ìåë, èçâåñòü), âíåñåíèå ãèïñà â ïî÷âó äëÿ óñòðàíåíèÿ å¸ [åå] èçáûòî÷íîé ùåëî÷íîñòè.
