近年来,地膜复盖在农业、蔬菜生产上的应用已很广泛。在林业育苗中它是否同样可以提高出苗率、生长量和质量,达到培育壮苗的目的,尚无第一手资料。为此我们于1981年在农试场苗圃地对杨树扦插育苗进行了地膜复盖试验,现将试验结果初报如下: 一、试验材料和方法: 地膜:采用国产0.012—0.020毫米厚的聚乙稀透明膜。 In recent years, plastic film cover in agriculture, vegetable production has been widely used. Whether it can also increase the emergence rate, growth and quality in the forestry nursery, to achieve the purpose of nurturing strong seedlings, there is no first-hand information. To this end, we in 1981 in the nursery on the field of poplar cuttage seedling film mulching test, the test results are reported as follows: First, the test materials and methods: Film: The use of domestic 0.012-0.020 mm thick Polyethylene Thin transparent film.