China, multiple cropping and related crop production technology: Report on an FAO/UNDP study tour to the People's Republic of China, 25 June-22 July 1979 (FAO plant production and protection papers)

by Food and Agriculture Organization of the United Nations Paperback details (United States). ISBN: 978-92-5-100977-2 ISBN-10: 92-5-100977-5 Food and Agriculture Organization of the United Nations · 1980