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Fertilization Effect of Soil Testing and Fertilizer Recommendation Trials
Author(s): 
Pages: 96-98
Year: Issue:  1
Journal: Tianjin Agricultural Sciences

Keyword:  测土配方施肥肥料农学效率肥料偏生产力产量;
Abstract: 运用测土配方施肥技术原理开展肥料效应研究,试验结果表明:测土配方施肥与常规施肥相比能够提高肥料农学效率,单位施肥量对于产量的贡献明显提高.其中尿素、重过磷酸钙、氯化钾、NPK的肥料农学效率值分别提高28.1%,82.4%,44.7%,48.8%;肥料偏生产力值提高37.0%;测土配方完全施肥区较常规施肥区产量增加785kg·hm-2,提高9.9%.
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