//php if(!empty($last_str)){if(!preg_match('~[0-9]+~', $first_str)){echo $title;}else{echo $last_str; }}else{echo $title;}?>“Zero Budget Natural Farming (ZBNF) in Andhra Pradesh: Towards Sustainable and Profitable Farming” paper presented at the Meetings at the Andhra Pradesh Economic Development Board Vijayawada, India