1.备好良种根据当地的具体情况,选育和购买适宜的高产优良品种,并要做到几个品种合理搭配,避免布局单一化,给今后管理及收割带来诸多不便。 2.发芽试验为了确定最佳播种量,必须进行发芽试验。在播前5—7天选有代表性的种子100粒,经浸种催芽后,发芽率达到85—90%以上的可按标准量播种;发芽率在 1. Ready varieties According to the specific circumstances of the local selection and purchase of suitable varieties of high yield and good, and to achieve a reasonable mix of several varieties, to avoid the layout of a single, to the future management and harvesting a lot of inconvenience. 2. Germination test In order to determine the optimum sowing rate, must germination test. 5-7 days before sowing choose a representative of the seeds of 100, after soaking germination, the germination rate of 85-90% or more can be sown according to the standard; Germination rate of