发明名称 Substrate for cultivation of agricultural crops and rooting of green cuttings in greenhouses and in open air
摘要 A substrate for the cultivation of plants in greenhouses or outdoors comprises klinoptylolite zeolite, vermiculite and peat in specified particle size ranges and relationships, with enhanced nitrogen and phosphorus content, to provide a highly versatile and surprisingly effective active growing medium.
申请公布号 US4337078(A) 申请公布日期 1982.06.29
申请号 US19800208491 申请日期 1980.11.17
申请人 N P S K "MINERALAGRO" 发明人 PETROV, GEORGI S.;PETKOV, IVAN A.;ETROPOLSKI, HRISTO I.;DIMITROV, DIMITER N.;POPOV, NIKOLAY N.;UZUNOV, ATANAS I.
分类号 C05B17/00;(IPC1-7):C05F11/04 主分类号 C05B17/00
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