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
- Rome Food and Agriculture Organization of the United Nations 1980
- x, 57 p. ill 28 cm.
- FAO plant production and protection paper 22 .
Multiple cropping--China
631.5 / 8
Multiple cropping--China
631.5 / 8