TY - BOOK AU - Folley, R R W TI - Intensive crop economics: an outline of principles of resources use, management and marketing as adapted for horticultural crops SN - 0-435-62991-3 U1 - 338.175 21st PY - 1973/// CY - London PB - Heinemann Educational Books KW - Agriculture-Economic aspects; Horticultural crops; Plants, cultivated ER -