一、平茬更新。根據榛林1年不結實,2-3年結果多,4-5年衰退的生長規律,最好5-6年平茬1ci。pingchayizaichunqiujinxing,chayudiqipingzuihao。pingchunchayupingqiuchajiaotijinxing,qiejilianxucaiyongchunjihuoqiujipingcha。zaipingchadetongshijinxingrengongkenfucuqixinshengcegenfayushengchang,peiyucuzhuangxinshengyingyangzhizhu。zhenlinrengongkenfuyingshilindizhuangkuanglinghuozhangwo,duiyuturangbanjie、肥力較差、坡度較小的林地可實行全墾;土壤疏鬆、坡度較大的林地可采取穴墾。
二、合he理li修xiu剪jian。榛zhen子zi為wei喜xi光guang植zhi物wu,枝zhi葉ye鬱yu密mi,容rong易yi導dao致zhi光guang照zhao不bu足zu,花hua芽ya形xing成cheng少shao,坐zuo果guo率lv低di,出chu仁ren率lv也ye低di。所suo以yi應ying適shi當dang修xiu剪jian,剪jian去qu內nei膛tang的de病bing蟲chong枝zhi、過於纖細枝、下(xia)垂(chui)枝(zhi),改(gai)善(shan)通(tong)風(feng)透(tou)光(guang)條(tiao)件(jian),提(ti)高(gao)單(dan)枝(zhi)結(jie)實(shi)量(liang)。老(lao)枝(zhi)的(de)存(cun)在(zai)影(ying)響(xiang)產(chan)量(liang),不(bu)利(li)新(xin)枝(zhi)的(de)發(fa)生(sheng),導(dao)致(zhi)產(chan)量(liang)不(bu)穩(wen)定(ding),要(yao)剪(jian)去(qu)老(lao)枝(zhi),維(wei)持(chi)壯(zhuang)年(nian)枝(zhi)結(jie)果(guo)。
三、適當疏伐,合理補植。野生榛林普遍株叢過密,應通過人工疏伐降低密度,經試驗以每平方米6-8株最佳,比對照區每平方米12株可增產30%。tongshijieheshufabuzhikongque,baguomizhucongfenwayibufen,yizaidaofujinquezhudekongdishang,tigaotudiliyonglv,zengjiadanweimianjishangjieguodezhucongshu。pingchashiyingjiange2米,分兩年交替進行,即在同一地塊,平茬區和生產區以2米的寬度間隔排列,這樣既可為生產區提供較大的營養空間和良好通風透光條件,又能使榛林年年結實,經營者年年有收成。
四、合he理li施shi肥fei。榛zhen林lin管guan理li不bu能neng忽hu視shi肥fei料liao的de施shi用yong,特te別bie在zai土tu層ceng淺qian薄bo,土tu壤rang肥fei力li低di的de地di塊kuai,應ying視shi土tu壤rang肥fei力li狀zhuang況kuang追zhui施shi農nong家jia肥fei,或huo小xiao雨yu前qian撒sa施shi化hua肥fei,以yi滿man足zu植zhi株zhu生sheng長chang需xu要yao。但dan要yao注zhu意yi掌zhang握wo施shi肥fei量liang,以yi施shi高gao氮dan複fu合he肥fei15-20公斤/畝為宜。
五、病蟲害防治。榛子的蟲害主要是榛實象鼻蟲。對有蟲害的榛林在花期授粉後,或在成蟲羽化盛期和產卵期,用80%敵百蟲800倍液或80%敵敵畏1500倍bei液ye噴pen霧wu,進jin行xing藥yao劑ji防fang治zhi。還hai可ke人ren工gong揀jian拾shi早zao期qi脫tuo落luo果guo燒shao掉diao。在zai成cheng蟲chong盛sheng發fa期qi利li用yong成cheng蟲chong的de趨qu光guang性xing,用yong黑hei光guang燈deng誘you殺sha,人ren工gong捕bu捉zhuo成cheng蟲chong。病bing害hai主zhu要yao是shi白bai粉fen病bing,可ke結jie合he修xiu剪jian和he平ping茬cha更geng新xin清qing除chu病bing枝zhi、病葉。發現病葉時每隔15天噴1次1:100波爾多液。
手機版




