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Dryland management alternatives and research needs for Alfisols in the semiarid tropics
El-Swaify, S. A.; Walker, T. S.; Virmani, S. M. - 1984
Persistent link: https://www.econbiz.de/10003533360
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Minimizing fuel energy use in fruit and vegetable food production and transportation
O'Brien, M.; Singh, R. P. - 1981
Persistent link: https://www.econbiz.de/10003643153