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滨湖砂姜黑土水稻氮磷肥最佳用量试验徐保钦，李取贤，赵崇魁，王新华，徐启景（国营南阳湖农场生产科济宁２７２１７７）当前，水稻生产上存在着氮磷比例失调的问题。为了探讨水稻高产、优质、低成本的施肥模式，针对滨湖砂姜黑土土壤肥力状况，于１９９３年进行了氮磷二...
The optimum amount of nitrogen and phosphorus in rice in Shajiang black soil of XU Bao-qin, LI Jie-xian, ZHAO Chong-kui, WANG Xin-hua, XU Qijing (State Farm Nanyang Lake Farm Production Branch, Jining 272177) Currently, rice production has the problem of imbalance of nitrogen and phosphorus. In order to explore the high-yielding rice, high quality, low-cost fertilization mode, in view of the status of soil fertility of sand in Shajiang black soil, nitrogen and phosphorus two ...