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1、http://www.sdxjks.cn/http://www.tshyqs.com/http://www.sdxtht.com/http://www.tayhsx.com/荒山荒地造林技術(shù)措施1造林樹種的選擇Theselectionofafforestationtreespecies根據(jù)襄汾縣東西兩山不同的立地條件、各樹種的生物學(xué)特性及在不同立地類型的生長表現(xiàn),考慮樹種來源、勞力、資金條件等因素,本著適地適樹和優(yōu)先選用優(yōu)良鄉(xiāng)土樹種的原則進(jìn)行荒山綠化樹種的選擇。苗木一般選擇1~2a生,側(cè)柏最好使用容器苗,高度25.0cm以上;刺槐地徑1.0cm以上;核桃地徑1.
2、5cm以上。Accordingtothedifferentsiteconditionsofxiangfenthingstwomountains,thebiologicalcharacteristicsofvarioustreespeciesandgrowthperformanceindifferentsitetype,considerspeciesorigin,conditionfactorssuchaslabor,capital,inlinewithtotheprincipleofoptimaltreeandselectexcellentnativetrees
3、peciesforgreeningtreespeciesselectionofbarrenhills.Nurserystockgenerallychoose1~2a,biotaorientalishadbetterusecontainerseedlings,height25.0cmormore;Acaciadiameter1.0cmormore;Walnutsgrounddiameter1.5cmormore.2造林密度及配置、混交方式2afforestationdensityandconfiguration,mixedmodehttp://www.sdxjks
4、.cn/http://www.tshyqs.com/http://www.sdxtht.com/http://www.tayhsx.com/2.1造林密度側(cè)柏一般栽植在山坡的中上部或條件差的山脊,穴狀或魚鱗坑整地,密度可掌握在220~330株/667m2;刺槐、核桃適宜在土壤條件較好的水平階及梯田成片栽植,密度一般為110~150株/667m2。2.1afforestationdensityusinggeneralplantintheslopeoftheupperorpoorridges,cavernousorscale-holeploughinganddens
5、itycanbemasterin220~220plants/330m2;Acacia,walnutinsoilconditionsgoodleveloforderandplantingofterracesanddensityisgenerally110~110plants/150m2.2.2種植點(diǎn)配置為充分發(fā)揮水土保持林的水土保持作用,側(cè)柏、刺槐在種植點(diǎn)配置上選用“品”字形,核桃采用正方形的配置方式。2.2growingpointisconfiguredtogivefullplaytothewaterandsoilconservationofsoilandwat
6、erconservationforest,arborvitae,acacia,choose"goods"glyphonplantingsomeconfiguration,walnutsquareconfigurationmethod.2.3混交方式根據(jù)山區(qū)地形地塊的自然分布情況,樹種混交方式一般選用不規(guī)則的塊狀混交。2.3mixedwayaccordingtothenatureofmountainousterrainblockhttp://www.sdxjks.cn/http://www.tshyqs.com/http://www.sdxtht.com/http
7、://www.tayhsx.com/distributionoftreespecieschosencommonlyirregularblockmixedmixedmode.3整地方式Threesitepreparationmodes整地是造林前的一項(xiàng)重要環(huán)節(jié),按照水土保持的要求,針對(duì)坡的上下位置及坡度的大小,并根據(jù)實(shí)際情況采取不同的整地方式,盡量減少破土面,因地制宜。Sitepreparationisanimportantlinkforafforestationinfrontof,inaccordancewiththerequirementsofthesoila
8、ndwaterconse
