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Soil solarization : proceedings of the First International Conference on Soil Solarization, Amman, Jordan, 19-25 February 1990 / edited by James E. DeVay, James J. Stapleton, Clyde L. Elmore.
- 632.9 I612175
- Food and Agriculture Organization of the United Nations,
- 1991.
- Rome :
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Predictive fish yield models for lakes and reservoirs of the Philippines, Sri Lanka and Thailand / by Jacques Moreau and Sena S. De Silva.
- Food and Agriculture Organization of the United Nations,
- 1991.
- Rome :