美国70年来粮食增产50%来自于遗传改量, 50%来自于化肥农药和精耕细作。

来源: wwni60 于 2022-09-15 05:22:25 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.