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经36个小区试验和大田对比试验,结果表明,磷石膏在水稻、玉米等作物上具有较好的增产效果,水稻增产7.06%,玉米增产11.78%;在水稻上的最佳施用量为50~150kg/667m2,玉米为150~300kg/667m2。并对磷石膏中毒性物质含量及其对水稻秸秆和籽粒中某些元素的影响做了评价。
The results of 36 plots plots and field experiments showed that phosphogypsum had a good yield increasing effect on rice, corn and other crops, with the increase of 7.06% for rice and 11.78% for maize; the best on rice The amount of 50 ~ 150kg / 667m2, corn is 150 ~ 300kg / 667m2. The effects of phosphogypsum toxicant content and some elements in rice straw and grain were evaluated.