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一、水稻田施用石膏在长江流域和长江以南,有许多地方种植水稻需要施用石膏。各地一致的基本情况是这样的:在正常田中,当秧苗移植本田以后,短期黄萎,3、5日内回青复活,而在有些田中,黄萎时期可以延长到一二十天。黄萎时期太长,则回青复活得太迟,影响水稻的正常发育,减少收获量,甚至无收。这种现象,有些地方称为“发
First, the application of gypsum paddy fields in the Yangtze River Valley and south of the Yangtze River, there are many places to grow rice need to use gypsum. The basic situation is the same all over the world: In the normal field, when the seedlings transplanted Honda, short-term wilt, within 3, 5 days back to green revitalization, and in some fields, the yellow wilt period can be extended to 20 days. When the yellow-wilt period is too long, the recovery of the green is too late, affecting the normal development of rice, reducing the amount of harvest, or even ending the harvest. This phenomenon, in some places called "fat