塑料大棚夏秋茬西芹无公害栽培技术研究

云南省夏秋塑料大棚栽培西芹,竹木结构塑料大棚,每公顷大棚骨架投资约11250元;镀锌薄壁钢管塑料大棚,每公顷大棚骨架投资约15万元。品种以圣地亚哥、高路华、文图拉较为适宜,2月下旬至4月上旬播种,4月中下旬幼苗4~5片真叶时定植。定植成活后保持棚内土壤湿润状态,15d后开始追肥,每公顷施入纯氮135㎏、纯钾105㎏,每隔10d施一次,分5次分别以15%、20%、30%、20%、15%追施,产量最高。

The No-pollnted Production Technology of West Celery in plastic film shed

We Cultivate West Celery in summer and autumn in Plastic film big booth in Yunnan, plastic film big booth of bamboo and wood, skeleton of big booth need direct price 11250 in Yunnan province in every hectare; Plastic film big booth of sharpen of pipe, skeleton of big booth need direct price 150 thousand yuan in every hectare. "Shengdiyaguo", "Haoluhua", "Wentula" are better breeds, sow seed from the last ten days of February to April the first ten days of a month is best period. The second or last ten days of April is final singling in seedlings. It is needed to keep soil damp after final singling and to begin top application after fifteen day and apply fertilizer pure nitrogen 135kg, pure potassium 105kg in every hectare. It''s necessary to apply fertilizer to seeding one order in ten day, difference top application with fifteen per cent, twenty per cent, thirty per cent, twenty per cent, fifteen percent to gain the best output of West Celery.