The yield of potato differs from that of rice though.

来源: panlm_ 于 2015-01-10 08:53:00 [] [旧帖] [给我悄悄话] 阅读数 : (60 bytes)
本帖于 2015-01-10 08:54:53 时间, 由普通用户 panlm_ 编辑

Dr Shien talked about grains (rice or wheat) in his article.

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