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山东省威海市文登区处于波状丘陵区,丘陵面积占全区总面积的66.2%,现大都整成梯田,是种植粮油作物和林、果、桑的主要用地。长期以来,由于施肥量、施肥品种、施肥结构、施肥方法和种植制度的变化,土壤磷素水平发生了很大的变化,基于第二次土壤普查的土壤有效磷分级、分布的评价,及其施肥推荐,对于指导文登不同作物施肥的有效性降低。依托国家测土配方施肥项目,通过自2005年至2012年威海市文登区测土化验结果,系统分析了文登区
Wendeng District, Weihai City, Shandong Province is in a wavy hilly region, hilly area accounting for 66.2% of the total area of the region, most of them are now integrated into the terraced fields, is the planting of grain and oil crops and forest, fruit, mulberry main land. For a long time, the level of soil phosphorus has undergone great changes due to the changes of fertilization rate, fertilization varieties, fertilization structure, fertilization method and planting system. Based on the second soil survey, the evaluation of soil available P classification and distribution Fertilization recommendation, to reduce the effectiveness of guidance Wendeng different crops fertilization. Based on the soil testing and fertilization project of the State, through the soil testing results of Wendeng District in Weihai City from 2005 to 2012,