甜叶菊是高经济作物,目前已进入收种季节,在厂部收到的众多来信中,多询问甜叶菊叶、种的采收方法和越冬。现将其介绍如下: 一、种子的采收 对留下的种子田,要多施饼肥,避免受旱,要细观察,如有小、尖、薄叶为劣株,带有黑、黄、白点的叶棵为病株,必须将此类苗株拔掉带离苗地,只留大、厚、圆、绿叶的优壮株。平时不可零 Stevia is a high-cash crop and has now entered the harvest season. Many of the letters received by the factory ask more about the leaves of Stevia rebaudiana and its harvesting methods and overwintering. Now introduce it as follows: First, the seed of the harvest on the remaining seed fields, more cake fertilizer to avoid drought, to observe carefully, if small, sharp, thin leaves for the poor, with black, yellow, Leaves of white spots for the diseased plants, such plants must be unplugged off with seedlings, leaving only large, thick, round, green leaves of the excellent strains. Usually not zero