引言吉安地区的低山丘陵、由于砍多造少,多呈荒山灌草地,即使部分已种植林果,也因管理不善,片面追求单一经营,致使幼林果树株行间多为空闲或裸露状态。若能把大面积的荒山灌草地及果林株行间空闲土地充分利用,垦殖果木,增加复种指数,大搞多种经营,不仅可以增进地力,提高土地利用率,协调生态系 INTRODUCTION The hilly areas in the Ji’an area are dominated by barren hills and mostly deserted shrubs. Even though some of them have already planted their fruit trees, they are still in a vacant or bare state due to their poor management and their unilateral pursuit of single operations. If we can make full use of large areas of barren hills and shrubs and fruit trees free space between the lines make full use of, reclamation of fruit trees, increase the multiple cropping index, engage in diversified management, not only can improve soil fertility, improve land utilization, coordination of ecosystems