临洮县针叶树苗圃在大面积培育针叶树苗木的同时,近两年连续培育酸刺苗21.35亩,每亩产苗量约14—15万株,为营造薪炭林,发展能源灌木打下良好的物质基础。酸刺是甘肃山区的乡土树种,是受群众欢迎的优良燃料灌木。酸刺荫蘖能力可超过杞柳、紫穗槐、杨、柳等萌蘖能力很强的树种;根系发达,有根瘤,能提高土壤肥力;生长迅速,轮伐期短,产柴量高,枝条易燃,火力旺,是解决烧柴的好树种;适应性强,繁殖容 Linli County conifer nursery nursery in a large area to cultivate coniferous trees at the same time, the last two years continuous cultivation of acid spur 21.35 acres of seedlings per acre about 140,000 -150,000, for the fuelwood forests, the development of energy shrubs and lay a good material foundation. Acid thorns is a native tree species in the mountainous areas of Gansu and is an excellent fuel shrub popular with the masses. Sour thorn tillering ability than Qi Liu, Amorpha fruticosa, Yang, Liu and other sprouting ability of strong tree species; root system developed, with nodules, can improve soil fertility; rapid growth, short rotation, high yield of wood, shoots Flammable, firepower, is a good firewood tree species; adaptability, breeding capacity