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黄瓜(Cucumis sativus)在大棚或温室无土栽培中,常发生功能衰退的金边叶,以致植株早衰而影响产量。我们采用营养液膜栽培黄瓜(品种长春密刺)也出现这种现象。施用的营养液配方:(1)山崎黄瓜营养液(山东农业大学科技情报室,日本蔬菜最新栽培技术,山东省出版总社泰安分社,1988,73页);(2)高磷营养液[将配方(1)磷素增加1倍];(3)高磷钾营
Cucumbers (Cucumis sativus) In greenhouse or greenhouse soilless culture, Phyllostachys pubescens leaves often decline in function, resulting in plant premature aging and affect the yield. We use the liquid film cultivation of cucumber (variety Changchun dense thorn) also appear this phenomenon. (1) Yamasaki cucumber nutrient solution (Shandong Agricultural University Science and Technology Intelligence Room, the latest cultivation techniques of Japanese vegetables, Shandong Provincial Publishing Headquarters Taian Branch, 1988,73); (2) high phosphorus nutrient solution [will Formula (1) 1 times increase in phosphorus]; (3) high phosphorus and potassium camp