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水稻早衰及其预防水稻早衰也就是“未老先衰”，一般出现在乳熟期。早衰稻田，远看一片焦枯，叶色呈棕褐色，叶片薄而弯曲，根系衰弱无力，不但降低了水稻的产量，而且使稻米品质变劣。因此，掌握水稻早衰原因，提高栽培管理水平，对提高水稻的产量和品质具有重要意义。一...
Premature aging of rice and its prevention Rice premature aging is “not old before the first decline,” generally appear in milk stage. Premature aging rice fields, a long look at Jiaokuang, leaf color was tan, thin and curved leaves, weak and weak roots, not only reduced the yield of rice, but also to deteriorate the quality of rice. Therefore, grasping the cause of premature decline of rice and improving the level of cultivation and management are of great significance for improving the yield and quality of rice. one...