Food crops in the low-income countries : the state of present and expected agricultural research and technology
by Cummings, Ralph Waldo.
Print Book 1976 |
... Agriculture Research Developing countries ... |
Appropriate technology : research in alternative agriculture systems : hearing before the Subcommittee on Natural Resources, Agriculture Research, and Environment of the Committee on Science and Technology, U.S. House of Representatives, Ninety-seventh Congress, second session, September 30, 1982.
by United States. Congress. House. Committee on Science and Technology. Subcommittee on Natural Resources, Agriculture Research, and Environment.
Microfilm and Microfiche 1983 |
... Agriculture Research Developing countries ... |
Ill fares the land : essays on food, hunger, and power
by George, Susan.
Print Book 1984 |
... Agriculture Research Developing countries ... |
Toward sustainability : soil and water research priorities for developing countries
Print Book 1991 |
... Sustainable agriculture Research Developing countries ... |