1.选种 选种的目的就是清除杂质,将干瘪的种子及杂草种子等杂质除去,以获得籽粒饱满、纯净度高的种子。可用清选机机选,也可进行人工筛选,必要时可用盐水(1公斤食盐加水10公斤)或硫酸铵溶液选种。有些牧草种子有荚壳,使种子的出芽率降低;有些有芒或颖片,使种子流动性差,下便播种。因此,对这类种子在播种前应进行去壳、去芒处理。去壳可用碾子碾压或碾米机处理;去芒可用去芒 1. The purpose of seed selection is to remove impurities, the shriveled seeds and weeds and other impurities removed seeds to get full grain, high purity seeds. Available cleaning machine election, but also for manual screening, if necessary, available brine (1 kg of salt and water 10 kg) or ammonium sulfate solution selection. Some forage seeds have pods that reduce the germination rate of the seeds; some have mans or glumes that make the seeds less mobile and are sown below. Therefore, these seeds should be sown before sowing, to Mangmai treatment. Husking available roller crush or milling machine processing; to Mans available to Mans