苕子是高产优质的綠肥,在柳州沙塘地区,一般利用冬閑水田种植与留种。但由于生长期长,10月播种次年5月成熟,若按正常成熟期收获种子,則影响沤田插头苗,如提早收种,又往往影响苕子的种子产量与质量。为不誤春插农时,又能获得高产优质的 Prickly heat is a high yield and quality of green manure, sand Liuzhou in Liuzhou, the general use of winter paddy field planting and stay species. However, due to the long growing season, the sowing in October will be mature in May next year, if the seeds are harvested in the normal maturity stage, it will affect the sowing plug seedling. If early planting, it will also affect the seed yield and quality of currant. In order not to misinterpret spring planting, but also get high yield and quality