TY - BOOK AU - Rae,Allan N. TI - Crop management economics SN - 9780258970133 U1 - 338.173 20 PY - 1977/// CY - London PB - Crosby Lockwood Staples KW - Agriculture KW - Economic aspects KW - Production (Economic theory) KW - Budget in business KW - Crops KW - Management N1 - Bibliographical references ER -