lbnl 41846 india s fertilizer industry productivity and energy efficiency katja schumacher jayant sathaye environmental technologies division july 1999 this work was supported by the science office of biological research ober us department under contract no de ac03 76sf00098 ernest orlando lawrence berkeley national laboratory disclaimer document prepared as an account sponsored united states government while is believed to contain correct information neither nor any agency thereof regents university california their employees makes warranty express or implied assumes legal responsibility for accuracy completeness usefulness apparatus product process disclosed represents that its use would not infringe privately owned rights reference herein specific commercial service trade name trademark manufacturer otherwise does necessarily constitute imply endorsement recommendation favoring views opinions authors expressed do state reflect those