The Economics of a Low-Input Drylot Cow/Calf Operation Integrated with a Minimum-Till or Conventional Grain Farm
Tài liệu tham khảo
Anderson, 1989, High residue diets for lactating beef cows: A LISA Project, North Dakota Farm Res, 47, 20
Behnke, 1985, Measuring the benefits of subsistence versus commercial livestock development in Africa, Agric. Syst, 16, 109, 10.1016/0308-521X(85)90003-4
Boyles, 1990, Evaluation of dry matter disappearance and animal performance of lactating beef cows fed residue-based diets in drylot, J. Anim. Sci., 68, 265
Freund, 1956, The introduction of risk into a programming model, Econommetrica, 24, 253, 10.2307/1911630
Gardner, 1991, Evaluation of integrated low input crop-livestock production systems. Beef Production Field Day, 14, 47
Hardie, 1989, Optimal returns and risk avoidance for a small part-time forage livestock farm, J. Prod. Agric, 2, 151, 10.2134/jpa1989.0151
Harsh, 1992, Nutrient management for agricultural producers. In: Computers in Agricultural Extension Programs, 589
North Dakota Agricultural Stabilization Service. 1991. Personal communication
Service, 1985
Pasour, 1988, The farm problem: Government farm programs and commercial agriculture, J. Prod. Agric, 1, 66, 10.2134/jpa1988.0064
Sell, 1990, Adding a drylot cow enterprise to an eastern North Dakota grain farm, J. Anim. Sci., 68
Skold, 1989, Cropland retirement policies and their effects on land use in the great plains, J. Prod. Agric, 2, 197, 10.2134/jpa1989.0197
1987