00326nam a2200121Ia 4500008004100000082001100041100000500052245005100057260006100108300000700169650000900176700001900185140316s9999 xx 000 0 und d aIRRIb a aMethodologies for root drought studies in rice aPhilippinesbInternational Rice Research Institutec2012 a65 aIRRI aShashidhar,H E