种植年限对设施菜田土壤pH及养分积累的影响
曹文超，张运龙，严正娟，王敬国，李俊良，陈清
Effect of Planting Years on Soil pH and Nutrient Accumulation in Greenhouse Vegetable Fields
CAO Wen-chao1，2，ZHANG Yun-long1，2，YAN Zheng-juan2，WANG Jing-guo2，LI Jun-liang1，CHEN Qing2*
中国蔬菜
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2012, (18): 134
-141
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