00662nam a2200121Ia 4500 241024s9999||||xx |||||||||||||| ||und|| RYKAN, J G Assessment of impact of deep vertisol technology options 1983 International Crops Research Institute for the Semi-Arid Tropis, ICRISAT, Economics Program, Progress report ANDHRA PRADESH | AGRICULTURE | INDIA | AGRICULTURAL METHODS | GREEN REVOLUTION | TECHNOLOGY | DEEP VERTISOL TECHNOLOGY | SEMI ARID TROPICS OPPEN, M von 0 0 0 0 MIDS MIDS WP 0000-00-00 0 338.162095484 M3 WP9703 2024-10-24 16:46:25 2024-10-24 WP 69656 69656