平南县水田土壤有效磷含量变化及影响因素

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1008-4681|31|5|14-16

ISSN: 1008-4681

Source: 长沙大学学报, Vol.31, Iss.5, 2017-01, pp. : 14-16

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Abstract