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长期不同施肥对石灰性土壤磷形态转化及剖面分布的影响.[D].谢林花.西北农林科技大学.2001, 01
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Root-released organic acids and phosphorus uptake of two barley cultivars in laboratory and field experiments.[J].Tara S Gahoonia;Farouq Asmar;Henriette Giese;Gunnar Gissel-Nielsen;Niels Erik Nielsen.European Journal of Agronomy.2000, 3
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土壤农业化学分析方法.[M].鲁如坤主编;.中国农业科技出版社.2000,