冰槽集材法适合于北方林区冬季集材。这一新的集材方法是大兴安岭林区海牙斯德林场老工人王永泰创造的。这一创举,经过实地实验证明,是一经济适用、效率很高的集材方法。它的主要优点是:在北方寒冷的林区,借助自然力量集材,可节省大量的畜力、机械和许多工具,方法简 Ice trough skidding method is suitable for the northern winter forest tidy. This new method of skidding was created by Wang Yongtai, an old worker at Hedling Forest Farm in the Greater Xing’an Mountains. This initiative, proven by field experiments, is an economical and efficient method of assembling materials. Its main advantage is that with the aid of natural-strength skidding in cold northern forestlands, a great deal of animal power, machinery and many tools are saved, and the method is simple