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长期施肥对石灰性土壤磷素肥力的影响 Ⅱ.无机磷和有机磷
谢林花, 吕家珑, 张一平, 刘利花
Influence of long-term fertilization on phosphorus fertility of calcareous soil Ⅱ.Inorganic and organic phosphorus.
XIE Linhua, LÜ Jialong, ZHANG Yipping, LIU Lihua
应用生态学报 . 2004, (5): 790 -794 .