种菜如何增加茬次,提高复种指数,做到一地多茬、增产增收?根据吉林省大安县、乾安县的生产实践,列举几例多茬高产栽培模式,供参考.一年两茬1、旱豆角——秋白菜头茬:在4月来播种早豆角,适宜品种为早白羊角、供给者、沙克沙,行株距60×26厘米,亩保苗3330—3700埯.6月下旬至7月中旬收获,亩产800—1000公斤。二茬:7月下旬播种秋白菜,适宜品种为吉研2号、秋杂2号,行株距80X40厘米,亩保苗2600 According to the production practice of Da’an County and Qian’an County in Jilin Province, several examples of multi-cropping high-yielding cultivation mode are listed for reference. , Dry beans - autumn cabbage head stubble: in April to sowing early beans, the suitable varieties of early white horns, suppliers, Shakespear, line spacing 60 × 26 cm, acres of seedlings 3330-3700 埯. From late June to Harvested in mid-July, 800-1000 kilograms per mu. Second crop: autumn cabbage sowing in late July, the suitable varieties for the Kyrgyzstan on the 2nd, Qiuzaashao 2, row spacing 80X40 cm, acres of seedlings 2600