PANDURANGA RAO, A.THULASAMMA, L.2018-06-182018-06-181996D5191http://krishikosh.egranth.ac.in/handle/1/5810053770The present study entitled "Economics of nutrient management in paddy based cropping systems in Nellore district of A.P." was under taken with the objectives of studying cdmparitive economics of cropping systems, nutrients and other resource productivity, their use— efficiency and constraints and prospects of using organic manuring techniques in paddy based cropping systems. The investigation was carried out in Nellore district. A sample of 90 farmers were selected from the four selected villages by following three stage random sampling technique. Two distinct cropping systems were identified in the study area viz., (i) Paddy-Pulse-PaddyennullThesis