东山县低山丘陵区木麻黄混交林与纯林对比研究  

Comparative Study on Casuarina equisetifolia Mixed and Pure Forest on Low Mountain in Dongshan County

作　　者：陈伍荣 Chen Wurong(Dongshan County Natural Resource Bureau in Fujian Province,Zhangzhou 363400,China)

机构地区：[1]福建省东山县自然资源局,福建漳州363400

出　　处：《防护林科技》2023年第2期25-27,共3页Protection Forest Science and Technology

摘　　要：在东山县低山丘陵马尾松林采伐迹地上开展木麻黄与尾巨桉8∶2不规则混交林、木麻黄与厚荚相思2∶3行状混交林和木麻黄纯林对比试验,以此比较马尾松林迹地更新木麻黄不同造林模式的效果。结果表明:木麻黄+厚荚相思混交林中木麻黄的树高、胸径、单株材积与木麻黄纯林相比分别提高了10.0%、11.1%和32.7%;木麻黄纯林与木麻黄+尾巨桉混交林中木麻黄相比,树高、胸径和单株材积分别提高了9.1%、12.5%和34.6%。木麻黄+厚荚相思混交林土壤的通气度和总孔隙度最大,容重最小;木麻黄+尾巨桉混交林土壤的通气度和总孔隙度最小,容重最大。木麻黄+厚荚相思混交林土壤肥力最高,木麻黄纯林土壤肥力其次,木麻黄+尾巨桉混交林土壤肥力最低。东山县低山丘陵区木麻黄与厚荚相思混交造林效果最好。Comparative filed test on the irregular mixed forest of Casuarina equisetifolia-Eucalyptus urophylla×E.grandis(8∶2)and the line shape mixed forest of Casuarina equisetifolia-Acacia crasscarpa(2∶3)as well as Casuarina equisetifolia pure forest on fell land of Pinus massoniana forest on low mountain in Dongshan County was carried out to compare the effect of different afforestation model of Casuarina equisetifolia on the land of Pinus massoniana.The result showed as follows:the height,diameter and individual volume of Casuarina equisetifolia in mixed forest of Casuarina equisetifolia-Acacia crasscarpa were improved 10.0%,11.1%and 32.7%respectively compared to Casuarina equisetifolia pure forest;the height,diameter and individual volume of Casuarina equisetifolia pure forest were improved 9.1%,12.5%and 34.6%respectively compared to Casuarina equisetifolia in mixed forest of Casuarina equisetifolia-Eucalyptus urophylla×E.grandis.The soil aerating degree and total pore degree were the biggest and the soil bulk density was the smallest of mixed forest of Casuarina equisetifolia-Acacia crasscarpa.But the soil aerating degree and total pore degree were the smallest and the soil bulk density was the biggest of mixed forest of Casuarina equisetifolia-Eucalyptus urophylla×E.grandis.The soil fertility of mixed forest of Casuarina equisetifolia-Acacia crasscarpa was the highest and the soil fertility of Casuarina equisetifolia pure forest took the second place.The soil fertility of mixed forest of Casuarina equisetifolia-Eucalyptus urophylla×E.grandis was the lowest.The effect of Casuarina equisetifolia and Acacia crasscarpa mixed afforestation is the best in low mountain area in Dongshan County.

关 键 词：东山县 低山丘陵 木麻黄 厚荚相思 尾巨桉 混交林 纯林 

分 类 号：S792.93[农业科学—林木遗传育种] S725.2[农业科学—林学]