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Saxena, N P and John, O C (2002) Field Screening for Drought Tolerance in Crop Plants with Emphasis on Rice. Manual. International Crops Research Institute for the Semi-Arid Tropics.
Saxena, N P and John, O C (2002) Field Screening for Drought Tolerance in Crop Plants with Emphasis on Rice. Manual. International Crops Research Institute for the Semi-Arid Tropics.