Secondary alkalization of soil in Huang-Huai-Hai plain

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Autoria(s): Yu Ren-pei

Data(s)	01/04/2011
Identificador	http://159.226.121.23/handle/0/22351 http://www.irgrid.ac.cn/handle/1471x/113693
Idioma(s)	ch
Fonte	Yu Ren-pei.Secondary alkalization of soil in Huang-Huai-Hai plain.见：.,,,
Tipo	会议论文