Affiliation: | Regional Agricultural Research Station, Nepal Agricultural Research Council, Parwanipur, Bara, Nepal, Crop, Soil and Water Sciences Division, International Rice Research Institute (IRRI), DAPO 7777, Metro Manila, Philippines, CIMMYT, P.O. Box 5186, Kathmandu, Nepal, Central Soil Science Division, Nepal Agricultural Research Council, Khumaltar, Nepal,
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