我们的苗圃,是培育大苗,供应本市四旁绿化的。因施马粪较多,造成杂草种类繁多,密集,每年要出大批劳动力进行除草。近年来,应用2、4—滴、除草醚五氯酚纳分别在一、二、三、四年生的杨树、柳树、国槐、白腊等树种的苗圃里进行化学除草试验,取得了良好的效果。 Our nursery is to nurture seedlings and supply greening around the city. Due to more horse manure, causing a wide range of weeds, dense, a large number of labor each year to weeding. In recent years, the application of 2,4-D, weed-ether pentachlorophenol in the first, second, third and fourth year of the poplar, willow, Sophora japonica, white wax and other tree nurseries in the chemical weeding test and achieved good Effect.