论文部分内容阅读
沈阳市东陵区长白公社实验队,1981年在3.7亩地上采用地膜覆盖排种三茬蔬菜。平均亩产24,480斤,亩产值1,091.6元。 头茬早甘蓝,选用“迎春”品种。温室育苗,定植前7~10天开始炼苗(夜间不盖苫子和塑料)。4月7日,秧苗9~10片真叶时开始定植。定植前细致整地,亩施优质农家肥7车,起1.6尺宽的垄,每隔20~30米夹一道风障。定植前5~7天铺膜,然后,用打眼器按6寸株距打眼定植。定植后及时灌足垵水,用土封严定植穴。第二天,灌大水以补充底水不足。隔7天左右,视土壤干早情况
Dongling District, Shenyang Changbai commune experimental team, in 1981, 3.7 acres of land mulching three crops of vegetables. The average yield per mu is 24,480 catties, and the output value per mu is 1,091.6 yuan. The first stubble cabbage, use the “Spring” variety. Greenhouse nursery, planting 7 to 10 days before the beginning of hardening (night without cover prickly heat and plastic). April 7, seedlings 9 to 10 true leaves began colonization. Precise plantation before planting, Mushi high-quality farm fat 7 cars, from 1.6 feet wide ridge, every 20 to 30 meters folder a wind barrier. Pre-planting 5-7 days before filming, and then use the eye-opener 6-inch plantation from the eye colonization. After planting timely irrigation foot water, sealed with soil seal planting hole. The next day, flood water to supplement the lack of bottom water. About 7 days later, depending on the situation of dry soil early