00772nam a22001697a 4500 342225 342225 OSt 631.3 AMB/DE P 136 AMBILY S. PRASAD GISS MERIN VARGHESE SAIDALAVI M 2482 Development and evaluation of tractor operated ditcher cum bed-former for pineapple cultivation Tavanur 2003 Kelappaji College of Agricultural Engineering and Technology 38 Development and evaluation of tractor operated ditcher cum bed-former for pineapple cultivation the main components of the prototype unit of the tractor operated pineapple ditcher cum bed-former are a mould board, standard, levellers and main frame, Dr. V. R Ramachandran (Guide) 2483 PR 0 0 0 0 REF KAUAET KAUAET REF 2018-01-10 0 631.3 AMB/DE KAU_KCAEFT-P 136 2018-01-10 00:00:00 2018-01-10 PR