THE EFFECT OF SOIL VOLUMETRIC WEIGHT ON NITROGEN SUPPLYING ABILITY OF SOIL AND ABSORPTION,UTILIZATION OF NITROGEN BY COTTON
Guo Zhifen Tu Shuxin Zhang Yichun (Hubei Academy of Agricultural Sciences, Wuchang)
J4 . 1989, (01): 16 -22 .  DOI: 10.11869/hnxb.1989.01.0016

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