山丘石质果园爆破松土效果好文／赵永军山丘石质果园土层瘠薄、肥力差，采用低强度爆破法对果园进行松土改造，能促进树体的生长发育，使４０余年生的苹果树返老还童，生产后劲增强。该法省工、省力、高效，事半功倍，便于掌握，易于推广，是山丘旱薄果园实现果品优质增产... Hill stone orchard blasting loose soil effect is good text / Zhao Yongjun hill stone orchard soil infertility, poor fertility, the use of low-intensity blasting method of orchard for soil modification, can promote the growth and development of trees, so that more than 40-year-old apple Rejuvenating trees, production stamina enhanced. The method of provincial labor, energy saving, efficient, with less, easy to grasp, easy to promote, is the dry hills orchards to achieve high quality fruit production ...