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利用小麦田种植两茬大白菜,每667平方米净收入3188元。其主要栽培技术如下。 1.适时育苗。夏、秋季温度高,苗龄期不宜过长,一般在15～20天左右,叶龄4～5叶。选择当地适宜品种或日本夏阳50,采用营养钵育苗,每钵3～4粒种子。齐苗后立即间苗,每钵留双株,现真叶后定苗,每钵留1株。播种前浇足水后盖土并搭好支架覆盖遮阳网,出苗后掌握睛天盖、阴天揭;白天盖、晚上揭;下雨盖、雨停揭;高温盖、低温揭,以防暴雨冲刷及高温灼伤而影响全苗、壮苗。每667平方米用种量50～60克。
Two-cropping of Chinese cabbage using wheat fields, net income of 3188 yuan per 667 square meters. The main cultivation techniques are as follows. 1. timely nursery. Summer, autumn, high temperature, seedling age should not be too long, usually 15 to 20 days, leaf age 4 to 5 leaves. Select the appropriate local varieties or Japanese Xia Yang 50, nutrition bowl nursery, 3 to 4 seeds per bowl. Qi Miao immediately after the seedlings, each bowl stay double strain, really leaves after Dingmiao, leaving each one bowl. Before sowing, pour enough water to cover the soil and set up a bracket to cover the shade net. After emergence, grasp the eye cover and the cloudy cover; cover during the day and night; expose the rain cover and the rain; expose the cover with high temperature to expose the rainstorm Scour and high temperature burns affect the whole seedlings, strong seedlings. Every 667 square meters with the amount of 50 to 60 grams.