长期蔬菜种植对菜地土壤剖面硝酸盐分布和地下水硝态氮含量的影响
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1000-0275|36|6|1080-1085
ISSN: 1000-0275
Source: 农业现代化研究, Vol.36, Iss.6, 2015-01, pp. : 1080-1085
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Abstract