我家有个小院,院里养了很多龙舌兰。这些花,是经过爸爸数年精心分蘖培育而成的。 星期天的上午,爸爸正准备给一株壮年龙舌兰和它进入成年期的“子女”做“分蘖”手术,爸爸叫我作他的“助产士”。这时,我向爸爸求教有关龙舌兰的生长特性。他说:“一般老年龙舌兰的根,每年可长出三个新茎,这些新茎发育成四、五个叶片的新芽,为成年期,大概四年左右,这正是人工繁殖最佳期,成活率高。”在做“分 My family has a small courtyard, the yard has a lot of agave. These flowers, after years of carefully cultivated tillers father made. On Sunday morning, Papa is preparing to make a “tiller” operation for a grown age agave and its “children” who have entered adulthood, and my father told me to be his “midwife.” At this moment, I asked my dad for the growth characteristics of agave. He said: "The root of the general age-old agave can grow three new stems per year. These new stems develop into sprouts of four or five leaves. For adulthood, about four years, this is the best artificial propagation Period, high survival rate