提高丘陵岗地楸树造林成活率的技术措施  

Study on Afforestation Techniques for Increasing Survival Rate of Catalpa bungei in the Difficult Sites of Nanjing Hilly Areas

作　　者：孙立峰 杨枫林 胥东 华宏 郝明灼[3] 彭方仁[3] 

机构地区：[1]南京市林业站,南京210036 [2]内蒙古赤峰市翁牛特旗林业局 [3]南京林业大学森林资源与环境学院

出　　处：《林业科技开发》2009年第4期108-110,共3页China Forestry Science and Technology

基　　金：江苏省农业三项工程项目[编号:SX(2006)001]

摘　　要：以2 a生楸树实生苗为试验材料,研究了腐殖酸液肥、生物菌肥、保水剂和生根粉技术对提高丘陵山区困难立地造林成活率的应用效果。结果表明:在栽植穴内施入腐殖酸液肥、施用抗旱保水剂或使用GGR生根粉溶液对根系进行浸泡处理,均能显著提高楸树在困难立地上的造林成活率;在栽植穴内填加生物菌肥,对造林成活率没有显著影响。试验中,每株施用2.5 kg腐殖酸液肥或施用200 g抗旱保水剂,造林成活率最高;此外,使用1000 mg/L的GGR1号生根粉溶液浸泡苗木根系2 min,造林后成活率最高。The effects of liquid humic acid fertilizer, microorganism fertilizer, water retention agent and enroot powder GGR on increasing the survival rate in the difficult sites of Nanjing hilly areas were studied with 2-year-old Catalpa bungei in this paper. The results showed that the application of liquid humic acid fertilizer, water retention agent or enroot powder GGR could significantly increase the survival rate of C. bungei seedlings, while microorganism fertilizer had no significant effects on that. The survival rate was the higher when 2.5 kg humic acid liquid fertilizer, 200 g water retention agent or 1 000 mg/ L GGR per seedling was applied respectively.

关 键 词：丘陵山区 困难立地 楸树 造林技术 

分 类 号：S725[农业科学—林木遗传育种] S792.25[农业科学—林学]