Yuan spent four years looking for a wild rice strain that could be crossed.
袁先生花了四年时间寻找一种可以杂交的野生水稻品种。
First a strain with high lysine content is crossed with one having good yield characteristic.
首先把一个赖氨酸含量高的品系与一个具有丰产特性的品系相杂交。
First a strain with high lysine content is crossed with one having good yield characteristic.
首先把一个赖氨酸含量高的品系与一个具有丰产特性的品系相杂交。
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