目前,正当紫云英(又称草子)的留种季节,为了满足秋播时用种的需要和提高种子的纯度,必须贯彻“自留、自选、自繁、自用”的方针,发动群众,认真做好紫云英选留种工作。一、种子田的选择 1.田块:要求地势高爽、土质疏松、土壤肥力中等。并尽量使留种田块连片,以便于管理。如果留种田与秧田、早稻田交界,要开好 At present, in order to meet the needs of planting seeds and improve the purity of seeds during the planting season of Astragalus (also known as grass), we must implement the principle of “retaining, choosing oneself, multiplying oneself and using oneself” and mobilize the masses, Seriously make a reservation for the work of Swire. First, the choice of seed fields 1 plots: demanding terrain, soil loose, medium fertility. And try to keep the pieces of farming contiguous, in order to facilitate management. If you stay farming and seedling fields, Waseda junction, to be good