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1 Smith, J.; Umali, G.; Rosegrant, M. W.; Mandac, A. M. 1989. Risk and nitrogen use on rainfed rice: Bicol, Philippines. Fertilizer Research, 21:113-123.

Rice ; Rain-fed farming ; Irrigated farming ; Simulation ; Mathematical models ; Crop production ; Nitrogen ; Fertilizers / Philippines

(Location: IWMI-HQ Call no: P 3542 Record No: H014781)

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