00562nam a2200157Ia 4500 211231s9999 xx 000 0 und d 81 204 1212 5 Jayakar Knowledge Resource Centre Crop Productivity And Sustainability Crop productivity and sustainability: shaping the future :proceedings of the 2nd international crop science congress, organized jointly by the naasi and icar 1st Oxford and IBH New Delhi 1998 xxviii,I.63,1111p p. Crops 1 309047 309047 0 0 0 0 2 2 2 0000-00-00 1200.00 0 I:(X9J) M8 414270 2022-01-13 0000-00-00 1