TY - BOOK AU - Barrett, O. W. TI - The tropical crops: a popular treatment of the practice of agriculture in tropical regions, with discussion of cropping systems and methods of growing the leading products T2 - The rural science series AV - SB111 .B45 U1 - 630.913 PY - 1928/// CY - New York PB - Macmillan KW - Tropical crops KW - fast KW - agronomie KW - agronomy KW - tropen KW - tropics KW - Tropical Agriculture KW - Tropische landbouw N1 - Includes bibliographical references; Also issued online ER -