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- Scoones, Ian6
- Food and Agriculture Organization of the United Nations5
- ebrary, Inc5
- Barber, Stanley A.4
- Keeley, James4
- Swift, M. J. (Michael John), 1939-4
- Thompson, Louis M. (Louis Milton)4
- Soil Science Society of America. Division S-4.3
- Troeh, Frederick R.3
- Tropical Soil Biology and Fertility Programme3
- Altieri, Miguel A.2
- American Society of Agronomy2
- Benenson, Bill2
- Benyus, Janine M.2
- Brinton, William F.2
- Brown, J. R. (James Richard), 1931-2
- Cannard Robert H. (Robert Hiatt), 1926-2
- Capra, Fritjof2
- Carter, Majora2
- Commonwealth Science Council2