我区早甘兰多在5月末至6月初收获,以往是空茬50天再复种白菜。常常是杂草丛生,消耗地力。如今在早甘兰收获结束后,6月初抢一茬绿肥(田菁),每亩播种量6斤。为获高产,播先催芽。7月20日前后,即白菜播种前10天左右,拔草就地翻压或异地压青,每亩2000 My district early sweetlan more harvest in late May to early June, pasture 50 days before the re-planting cabbage. Often overgrown, consuming mana. Today, after the harvest in early asparagus, grab a crop of green manure (Tian Jing) in early June, planting 6 kg per mu. To get high yield, sowing first germination. Before and after July 20, about 10 days before cabbage sowing, pull the grass to turn the pressure on the ground or off-site, 2000 mu