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硬枝扦插育苗时,要保持土壤湿度、提高地温,才能提高成活率。为此,笔者于去年2月采用地膜覆盖法扦插大叶黄杨、葡萄、结香、雀舌黄杨、夹竹桃等多种苗木,成活率分别达到98％、95％、85％、96％、80％,各种苗木平均成活率达92％。具体做法如下: 1.整地作畦:作成宽1.6米的高畦,土块要碎,畦面要平整;2.土壤消毒:将5％的高锰酸钾喷于土壤中;3.喷除草剂:采用灭生性除草剂(如草甘灵等),兑水喷于土壤中(注意土壤消毒和喷除草剂必须在晴天
Hardwood cutting seedlings, to maintain soil moisture, increase ground temperature, in order to improve survival. To this end, the author in February last year, using film mulching cuttings Euonymus japonicus, grapes, knot, Buxus puffer, oleander and other seedlings, survival rates were 98%, 95%, 85%, 96% 80%, the average survival rate of various seedlings up to 92%. Specific practices are as follows: 1. Site preparation: 作 made of 1.6 meters wide 畦, clods to pieces, 畦 surface to be smooth; 2. Soil disinfection: 5% potassium permanganate sprayed in the soil; 3. Spray herbicide : The use of biocidal herbicides (such as glycyrrhizin, etc.), against the water spray in the soil (pay attention to soil disinfection and spray herbicide must be sunny