共 10 条
- [2] BROOMFELD SM, 1958, PLANT SOIL, V9, P325
- [4] IVANKO S, 1970, Biologia (Bratislava), V25, P211
- [5] KANDLER I, 1951, NATURFORSCH B, V6, P437
- [7] Meites L., 1965, POLAROGRAPHIC TECHNI
- [8] Rovira A. D., 1965, ECOLOGY SOIL BORNE P
- [10] SILLEN LG, 1964, 17 CHEM SOC LOND SPE, P366