可加快生长的树苗套塑料管一名英国科学家通过试验发现，给树苗套上塑料管可以大大加快其生长速度。试验时，他将１２０株橡胶树幼苗套上半透明的塑料管，结果发现树苗的生长速度比未套管的提高了一倍。他还用４Ｄ株针叶树进行了相同实验，结果针叶树的生长速度也有所提高... Accelerated growth of saplings Plastic pipe A British scientist found through experiments that putting plastic saplings to the saplings can greatly accelerate their growth. At the time of the trial, he put 120 rubber tree seedlings with translucent plastic tubes and found that saplings grew twice as fast as un-cannulated ones. He also conducted the same experiment with 4D conifers, which resulted in an increase in conifers’ growth rate ...