荒山荒地造林技术措施.doc

荒山荒地造林技术措施.doc荒山荒地造林技术措施1造林树种的选择Theselectionofafforestationtreespecies根据襄汾县东西两山不同的立地条件、各树种的生物学特性及在不同立地类型的生长表现,考虑树种来源、劳力、资金条件等因素,本着适地适树和优先选用优良乡土树种的原则进行荒山绿化树种的选择。苗木一般选择1~2a生,侧柏最好使用容器苗,;;。Accordingtothedifferentsiteconditionsofxiangfenthingstwomountains,thebiologicalcharacteristicsofvarioustreespeciesandgrowthperformanceindifferentsitetype,considerspeciesorigin,conditionfactorssuchaslabor,capital,〜2a,biotaorientalishadbetterusecontainerseedlings,;;、混交方式2afforestationdensityandconfiguration,,穴状或鱼鳞坑整地,密度可掌握在220〜330株/667m2;刺槐、核桃适宜在土壤条件较好的水平阶及梯田成片栽植,密度一般为110~150株/667m2。afforestationdensityusinggeneralplantintheslopeoftheupperorpoorridges,cavernousorscale-holeploughinganddensitycanbemasterin220~220plants/330m2;Acacia,walnutinsoilconditionsgoodleveloforderandplantingofterracesanddensityisgenerally110〜110plants/,侧柏、刺槐在种植点配置上选用“品”字形,核桃采用正方形的配置方式。growingpointisconfiguredtogivefullplaytothewaterandsoilconservationofsoilandwaterconservationforest,arborvitae,acacia,choose"goods"glyphonplantingsomeconfiguration,,树种混交方式一般选用不规则的块状混交。