摘要
针对辽宁朝阳地区水土流失治理和经济林发展现状,将黑果腺肋花楸这一优良生态经济型树种应用于山地造林实践中,研究了不同措施对朝阳山地黑果腺肋花楸栽植效果的影响。结果表明:4种整地方式(反坡梯田、水平阶、鱼鳞坑、水平梯田)与对照相比,显著提高了造林成活率和保存率,以修筑水平梯田法为最佳的整地方式,黑果腺肋花楸的平均成活率和保存率分别为96.0%和94.3%。采用水平梯田整地,在回填土中施入不同剂量的保水剂(0、0.5、1.5、2.5和3.5 g·株^(-1)),对苗木当年成活率及苗高、地径当年生长量3个指标均有不同程度影响,以施用2.5 g·株^(-1)保水剂成活率最高;施用3.5 g·株^(-1)保水剂平均树高和平均地径最大,但与2.5 g·株^(-1)处理差异不显著,生产上建议施用2.5 g·株^(-1)。
Aiming at the current situation of soil erosion control and economic forest development in Chaoyang area in Liaoning Province,the excellent eco-economic tree species of Aronia prunifolia was applied to the practice of mountain afforestation,and the effect of different measures on the planting effect of Aronia prunifolia in the Chaoyang mountain area was studied.Result shows that the four land preparation methods(reverse slope terraces,horizontal terraces,fish scale pits&horizontal terraces)significantly improve the survival rate and preservation rate of afforestation compared with the control.The construction of horizontal terraces is the optimal land preparation method.The average survival rate&preservation rate of Aronia prunifolia is 96.0%and 94.3%,respectively.Use horizontal terraced field preparation,and apply different dosages of water-retaining agent(0,0.5,1.5,2.5&3.5 g·tree^(-1))into the backfill soil to control the survival rate of seedlings in the very year,seedling height,and ground diameter growth in the very year.All have different degrees of influence,with the application of 2.5 g·tree^(-1)water-retaining agent with the highest survival rate;application of 3.5 g·tree^(-1)water-retaining agent has the largest average tree height and average ground diameter,but it is not significantly different from the 2.5 g·tree^(-1)treatment Considering the cost of water-retaining agent,it is recommended to use 2.5 g·tree^(-1)in production.
作者
刘丽娜
Liu Lina(Liaoning Province Dryland Agriculture and Forestry Research Institute,Chaoyang 122000,China)
出处
《防护林科技》
2021年第1期49-51,66,共4页
Protection Forest Science and Technology
基金
辽宁省农业科学院旱地特色经济林学科建设计划资助项目(2019DD206530)。
关键词
朝阳地区
山地造林
黑果腺肋花楸
整地方式
保水剂
Chaoyang Area
afforestation on mountains
Aronia prunifolia
soil preparation method
water retaining agent
作者简介
刘丽娜(1980-),女,辽宁朝阳人,大学,工程师,现从事林木育种与栽培研究,E-mail:wanghongjiang0902@126.com。
