1. 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
المؤلف:
المکتبة: كتابخانه مركزي كشاورزى (طهران)
موضوع: $AMultiple cropping -- China
رده :
S
603
.
7
.
C48
1980
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