苏北里下河地区在早中稻收获后,其中有一部分面积要播种红花草、苕子等冬绿肥。绿肥播种的时间,一般在9月中、下旬至10月上旬。在播种绿肥的时候,每亩同时播种2两左右油菜籽,把油菜寄种在绿肥田里育苗,以后再把菜苗移栽到大田,这是一种解决育苗地不足、培育壮苗、提高产量的好办法。 Lixiahe area in northern Jiangsu harvest early morning rice, some of which area sowing plants such as red flowers, prickly heat and other green manure. Green manure sowing time, usually in mid-September, late to early October. In the sowing of green manure, while planting about 2 or 2 rapeseed per acre at the same time, the rapeseed planting green seedlings in the nursery, later transplanted to the field seedlings transplanted to the field, which is a solution nursery inadequate, nurturing strong seedlings and increase production Good way.