TY - BOOK AU - AMBILY S. PRASAD AU - Dr. V. R Ramachandran (Guide) TI - Development and evaluation of tractor operated ditcher cum bed-former for pineapple cultivation CY - Tavanur 2003 PB - Kelappaji College of Agricultural Engineering and Technology N1 - Development and evaluation of tractor operated ditcher cum bed-former for pineapple cultivation N2 - 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 ER -