共 11 条
- [3] BREMNER JM, 1965, AGRONOMY 2, V9, pCH16
- [4] BROYER TC, 1951, MINERAL NUTRITION PL, P187
- [5] DIMCHEV D, 1965, IZOTOPIN ANALY AZOTA, P17
- [7] LIBERATION OF AMINO-ACIDS BY PLANT ROOTS IN RELATION TO DESICCATION [J]. NATURE, 1954, 174 (4441) : 1110 - 1111
- [8] KJELDAHL J, 1960, AGROHIMICHESKI METOD, P63
- [9] MEIER G, 1965, ISOTOPENPRAXIS, V1, P53
- [10] ROVIRA A. D., 1956, Plant and Soil, V7, P178, DOI 10.1007/BF01343726