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芹菜的延晚栽培主要是利用温室、大棚把芹菜的生育期延晚到11月底至12月初。①播种育苗:6月上旬在露地播种育苗。苗床要深翻、细耙,做成1～1.2米宽的平畦,畦长5～6米。亩施优质农家肥5000～6000公斤、氮肥25公斤、磷肥30公斤、钾肥20公斤。播前漫灌清水湿透耕作层,水渗下后播种,亩用种量1～1.5公斤,播种后覆土1厘米厚,
Late celery cultivation is mainly the use of greenhouses, greenhouses Celery late growth until late November to early December. ① seeding nursery: nursery seeding in the open in early June. Seedbed to deep plowing, fine rake, made of 1 to 1.2 meters wide flat 畦, 畦 long 5 to 6 meters. Mushi high-quality farmyard 5000 ~ 6000 kg, nitrogen 25 kg, phosphate 30 kg, potash 20 kg. Before sowing, irrigation water is poured through the tillage layer, sowed under water infiltration, the amount of acreage is 1 ~ 1.5 kg, the soil is sown 1 cm thick,