共 6 条
[3]
土壤有机质研究法[M]. 农业出版社 , 文启孝等 编著, 1984
[6]
Soil nitrogen availability evaluations based on nitrogen mineralization potentials of soils and uptake of labeled and unlabeled nitrogen by plants[J] . George Stanford,J. O. Legg,S. J. Smith.Plant and Soil . 1973 (1)