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安达畜牧场蔬菜公司本着充分利用有效面积和光能．合理安排茬次．增加复种质数为原则．以提高单位面积的产出和经济效益为目的。于1999年在2000m2露地种植地膜覆盖早甘兰间作粘玉米复种秋白菜取得了667m2创3610元纯效益的佳绩。主要做法如下：1地膜覆盖早甘兰（1）培青壮苗：选
Anda livestock farms in full use of the effective area of vegetables and light energy. Reasonable arrangements stubble. Increase the number of multiple seed principle. To improve the output per unit area and economic benefits for the purpose. In 1999 in 2000m2 open field planting plastic film covered with intercalating sweety corn double crop cabbage achieved 667m2 record 3610 yuan net benefit success. The main practices are as follows: 1 Mulch (1) Cultivation strong seedlings: election