Affiliation: | (1) International Fertilizer Development Center (IFDC), P.O. Box 2040, 35662 Muscle Shoals, AL, USA;(2) Philippine Rice Research Institute (PhilRice), Los Baños, Laguna, Philippines;(3) Konkan Krishi Vidyapeeth (KKV), 415 712 Dapoli, Maharashtra, India;(4) Central Rice Research Institute (CRRI), 753 006 Cuttack, Orissa, India |