曾经看到过一个关于木菠萝的故事。木菠萝是一种热带果树,这种植物的特殊之处在于——每年立秋时节,必须用镰刀在树的腰部割开几道口子,这样它来年才能多结果实,否则,即使长得枝繁叶茂,也是果实稀疏。这乍看起来不可思议的现象其实有科学的道理。木菠萝树如果生长得太快太顺了,它就只知道长枝叶 Have seen a story about pineapple. Wood pineapple is a tropical fruit tree, the peculiarities of this plant - each year in the fall season, you must cut a few holes at the waist of the tree with a sickle so that it can bear fruit more in the coming year, otherwise, Leafy, but also the fruit is sparse. At first glance it seems incredible that there are scientific truths. If the pineapple tree grows too fast too, it only knows long branches and leaves