共 24 条
- [1] ACHARYA CL, 1993, INDIAN J AGR SCI, V63, P461
- [5] BHARDWAJ KKR, 1991, INDIAN J AGR SCI, V61, P898
- [6] Cadisch G., 1993, Soil organic matter dynamics and the sustainability of tropical agriculture: proceedings of an International Symposium, Leuven, Belgium, 4-6 November 1991., P209
- [7] Edwards C.A., 1975, P399
- [8] EDWARDS CA, 1977, BIOL EARTHWORMS, P149