不同经营措施对泡核桃幼林生长的影响

Effects of Different Operation Measures on the Growth of the Young Forest of Juglans siggilata

采取4种修剪方法(刻芽、摘心、轻短截、不修剪)和6种间作模式(绿肥、黄豆、马铃薯、烤烟、玉米、不间作)对核桃幼林进行不同经营措施试验研究,观察核桃幼林萌发新枝和生长挂果情况。结果表明:修剪促进核桃萌发新枝和枝条粗生长效果明显,与不修剪对照,萌发新枝能力和枝条粗生长差异均达到极显著水平;间作能有效提高核桃幼林树高、地径、冠幅生长和促进核桃幼林提早挂果,与不间作任其荒芜对照,差异性均达到极显著水平,但间作玉米等高秆作物虽能促进核桃幼林树高、地径、冠幅生长,但促进提早挂果效果不明显。

In this paper,different operation measures of young forest of Juglans siggilata were studied.With four different pruning methods(bud-notching,Top-pitching,light cutting,no pruning)and 6 different intercropping modes(green manure,soybean,potato,flue-cured tobacco,corn,no intercropping),the germination of new branches,growth and fruiting of young forest of Juglans siggilata were observed.The results showed that pruning promoted the sprouting of new branches and the diameter growth of branches,compared with the control of no pruning,the ability of sprouting new branches and the diameter growth of branches were significantly different.Intercropping could effectively improve the growth of tree height,ground diameter and crown width of young forest of Juglans siggilata,and promoted the early fruiting.The difference between intercropping and no intercropping was extremely significant.However,intercropping maize and other high stalk crops could promote the growth of tree height,ground diameter and crown width of young forest of Juglans siggilata,but the effect of promoting early fruit bearing was not obvious.