共 50 条
- [1] LOSSES OF SOLUBLE PHOSPHORUS AND NITROGEN FROM AGRICULTURAL WATERSHEDS DOKLADY AKADEMII NAUK SSSR, 1986, 286 (02): : 434 - 436
- [4] PHOSPHORUS LOSSES AND SEDIMENT DISCHARGE FROM AGRICULTURAL WATERSHEDS DOKLADY AKADEMII NAUK SSSR, 1984, 277 (04): : 959 - 960