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
Title
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.
ISBN
9251009775 (pbk.)
Published
Rome : Food and Agriculture Organization of the United Nations, 1980.