送交者: xj 于 2007-11-23, 01:03:37:
回答: 方舟子的说法有依据 由 师太 于 2007-11-23, 00:55:55:
However, given a rice strain in modern agriculture (with sufficient fertilizer), the photosynthesis rate is fixed, and the yield is predictable. The key is genetics.
Yuan is correct in that he suggests better rice strain will have higher yield. He focuses on genetic issues although he has not done much about modern molecular genetics.