农谚说得好:“好种出好苗,好苗产量高”,“母大子肥,不用问人。”可见,在春播之前怎样挑选农作物优良品种至关重要。经实践,最有效的方法是通过“洗澡”对种子进行优选,具体做法是:1 用冷水“洗澡”。将种子放进冷水中,饱满充实的种子粒粒下沉,而瘪籽、病籽、破碎籽等却漂浮在水面上,只要将这些“浮渣”捞出,就会选到优良的种子。2 用热水“洗澡”。一般稻、谷类种子放 Farming proverbs say well: “Good seed out of good seedlings, good seedling production is high,” “mother of large fat, do not ask people.” Visible, before spring planting how to select fine varieties of crops is essential. In practice, the most effective way is to optimize the seed through “bathing” by: 1 “bathing” with cold water. Seeds will be placed in cold water, plump full of seed particles sink, and shriveled seeds, sick seeds, broken seeds, but floating in the water, as long as these “scum” remove, you will choose to good seeds. 2 “bath with hot water.” General rice, cereal seeds put