回複：米神袁隆平: 最應該獲得諾貝爾和平獎的人

來源: donzhu 於 2011-10-05 23:34:03 [] [舊帖] [給我悄悄話] 本文已被閱讀： 次 (234 bytes)

I heard this crop needs tons of fertilizers which definitely increase the cost of growing. Also the farmers need to buy seeds every year which is also troublesome and costly. Is there anyway they can develope self seeding type?

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