共 6 条
- [1] *AM SOC AGR ENG, 1993, D34111 ASAE, P530
- [2] Collins E., 1999, Poultry Waste Management Handbook NRAES-132
- [3] COLLINS ER, 1992, PUBLICATION VIRGINIA
- [4] *MIDW PLAN SERV, 1993, LIV WAST FAC HDB
- [5] USDA, 1992, AGR WAST MAN FIELD H
- [6] WRIGHT PW, 1999, NRAES109