长期施肥对黄土丘陵区土壤各形态磷之间关系的影响
杨艳菊, 王改兰, 张海鹏, 赵旭
Effects of Long-term Fertilization on Relationship among Phosphorus Forms in Loess Hilly-gully Region
YANG Yan-ju, WANG Gai-lan, ZHANG Hai-peng, ZHAO Xu
华北农学报
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2012, (6): 191
-195
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DOI: 10.3969/j.issn.1000-7091.2012.06.037
