回复：米神袁隆平: 最应该获得诺贝尔和平奖的人

来源: donzhu 于 2011-10-05 23:34:03 [] [旧帖] [给我悄悄话] 阅读数 : (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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