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用三个浓度的稀土溶液和硫酸锌溶液对黑稻种子浸种 2 4 h后 ,进行种子的标准发芽试验。 3天后测定种子的发芽势 ,7天后测定发芽率 ,并同期对芽长进行测定。三种浓度的稀土溶液和硫酸锌溶液对黑稻种子的发芽势及同期芽长均有明显促进作用 ,对发芽率则无影响。用硫酸锌溶液浸种应是一种简单易行的补充农田缺锌的方法之一
After soaking seeds of black rice with the three concentrations of rare earth solution and zinc sulfate solution for 24 hours, the standard germination test of the seeds was carried out. Seed germination potential was measured after 3 days, germination rate was measured after 7 days, and sprout length was measured at the same time. Three concentrations of rare earth solution and zinc sulfate solution on black rice seed germination potential and bud length at the same time have a significant role in promoting the germination rate has no effect. Soaking with zinc sulfate solution should be a simple and easy way to supplement farmland zinc deficiency