Zhang Yiping
Northwest Agricultural CollegeZen An
Northwest Agricultural CollegeGuo Junwei
Northwest Agricultural CollegeBai Jingling
Northwest Agricultural CollegeZhang Yiping, Zen An, Guo Junwei, Bai Jingling. PRELIMINARY STUDY ON ENERGY OF SOIL HUMIC ACIDS UNDER DIFFERENT CONDITIONS OF FERTILIZATION[J]. Acta Pedologica Sinica,1985,22(1):104-107.
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