我的外婆家住在乡下,是个蔬菜种植专业户。外婆家栽种了很多西红柿,每到双休日时,我常跟着爸爸妈妈去帮忙剪西红柿的叶子,就是将西红柿底部的叶子剪掉。这是为什么呢?爸爸解释说:“叶子多了透风性差,营养会让叶子全吃光,不结果实。”听了爸爸的话,我觉得很有道理。后来,在自然 My grandmother lives in the country, is a vegetable cultivation specialist. Grandma planted a lot of tomatoes, every weekend, I often follow the father and mother to help cut the leaves of tomatoes, is to cut the leaves at the bottom of tomatoes. This is why? Papa explained: “The more the leaves are poorly ventilated, nutrition will make the leaves eaten, not fruitive.” After listening to my father, I think it makes sense. Later, at nature