PDF(413 KB)
Planting system and geographical difference of corn in China during the past 300 years
HAN Mao-li
GEOGRAPHICAL RESEARCH ›› 2006, Vol. 25 ›› Issue (6) : 1083-1095.
PDF(413 KB)
PDF(413 KB)
Planting system and geographical difference of corn in China during the past 300 years
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