[1]黄彩枝,万日崇,李海星,等.两种施肥方式对尾巨桉萌芽林生长特性的影响[J].亚热带农业研究,2021,17(02):98-102.[doi:10.13321/j.cnki.subtrop.agric.res.2021.02.005]
 HUANG Caizhi,WAN Richong,LI Haixing,et al.Effects of two fertilization methods on growth characteristics of Eucalyptus urophylla×E.grandis sprout forests[J].,2021,17(02):98-102.[doi:10.13321/j.cnki.subtrop.agric.res.2021.02.005]
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两种施肥方式对尾巨桉萌芽林生长特性的影响()
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《亚热带农业研究》[ISSN:1006-6977/CN:61-1281/TN]

卷:
17
期数:
2021年02期
页码:
98-102
栏目:
出版日期:
2021-07-26

文章信息/Info

Title:
Effects of two fertilization methods on growth characteristics of Eucalyptus urophylla×E.grandis sprout forests
作者:
黄彩枝1 万日崇1 李海星1 何斌2
1. 广西国有派阳山林场, 广西 宁明 532500;
2. 广西大学林学院, 广西 南宁 530004
Author(s):
HUANG Caizhi1 WAN Richong1 LI Haixing1 HE Bin2
1. Guangxi State Paiyangshan Forest Farm, Ningming, Guangxi 532500, China;
2. Forestry College, Guangxi University, Nanning, Guangxi 530004, China
关键词:
尾巨桉萌芽林施肥方式生长特性
Keywords:
Eucalyptus urophylla×E.grandissprout forestfertilization methodgrowth characteristics
分类号:
S792.39
DOI:
10.13321/j.cnki.subtrop.agric.res.2021.02.005
摘要:
[目的] 探究两种施肥方式对尾巨桉萌芽林主要生长指标的影响,为尾巨桉萌芽林的施肥管理提供依据。[方法] 以林龄8月的尾巨桉萌芽林为研究对象,分别施用液态肥(垂青护林液态复合肥)和固态肥(桉树复合肥),调查并测定施肥后尾巨桉萌芽林生长量,比较两种施肥方式下尾巨桉萌芽林主要生长指标(树高、胸径和蓄积量)的差异。[结果] 两种施肥方式下尾巨桉萌芽林均表现随林龄增加而快速生长的特性。施用液态肥的萌芽林平均树高、胸径和单株材积等生长量均高于固态肥,其中林龄28月萌芽林平均树高、胸径和单株材积分别为14.8 m、9.4 cm和0.052 6 m3·株-1,比施用固态肥(14.2 m、8.8 cm和0.044 5 m3·株-1)提高4.23%、6.82%和18.20%。液态肥3 a投入成本为14 017.5元·hm-2,比固态肥(18 283.5元·hm-2)减少4 266.0元·hm-2[结论] 与固态肥相比,施用液态肥投入成本更低,且更能促进尾巨桉萌芽林的生长。
Abstract:
[Purpose] To study the effects of two fertilization methods on the main growth indexes of Eucalyptus urophylla×E.grandis sprout forests and provide a scientific basis for the fertilization management of E.urophylla×E.grandis sprout forests.[Method] Two types of fertilizers, namely Chuiqing forest protection liquid compound fertilizer and Eucalyptus solid compound fertilizer were applied to 8-month E.urophylla×E.grandis sprout forests. Main growth indexes,[tree height, diameter at breast height (DBH), and volume] were measured and analyzed every 4 months till the sprout forests reached 28 months old.[Result] After both fertilizations E.urophylla×E.grandis sprout forests witnessed rapid growths along with the increase of stand age. Sprout forests applied with liquid fertilizer saw higher growth rates of tree height, DBH and volume than those applied with solid fertilizer. Average height, DBH and single volume of the 28-month E.urophylla×E.grandis sprout forests reached 14.8 m, 9.4 cm and 0.052 6 m·plant-1, respectively, exceeding those with solid fertilization (14.2 m, 8.8 cm and 0.044 5 m3·plant-1), up by 4.23%, 6.82% and 18.20%. The input cost of liquid fertilizer application was 14 017.5 yuan·hm-2, decreased by 4 266.0 yuan·hm-2 compared with solid fertilization.[Conclusion] Liquid fertilizer surpassed solid fertilizer in lower input cost and promoted growth of E.urophylla×E.grandis sprout forests.

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备注/Memo

备注/Memo:
收稿日期:2021-04-22。
基金项目:广西创新驱动发展专项(桂科AA17204087-11);国家自然科学基金项目(31560206,31760201);广西大学与广西国有派阳山林场科技合作项目(2013-3-8)。
作者简介:黄彩枝(1985-),女,工程师。研究方向:人工林培育。Email:casey99@qq.com。
通讯作者:何斌(1962-),男,研究员。研究方向:森林培育、森林土壤和森林生态。Email:hebin8812@163.com。
更新日期/Last Update: 1900-01-01