[1]翟辉,张海*,邱梅,等. 黄土高原退耕坡地不同类型林分土壤生物学活性的研究[J].西北林学院学报,2016,31(4):33-38.[doi:doi:10.3969/j.issn.1001-7461.2016.04.06]
　ZHAI Hui,ZHANG Hai*,QIU Mei,et al. Soil Biological Activity of Different Tree Types on Slope Land Converted from Farmland in the Loess Plateau[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2016,31(4):33-38.[doi:doi:10.3969/j.issn.1001-7461.2016.04.06]
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 黄土高原退耕坡地不同类型林分土壤生物学活性的研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第31卷
期数:
2016年第4期
页码:
33-38
栏目:
出版日期:
2016-07-31

文章信息/Info

Title:
 Soil Biological Activity of Different Tree Types on Slope Land Converted from Farmland in the Loess Plateau
文章编号:
1001-7461(2016)04-0033-06
作者:
 翟辉; 张海*; 邱梅; 郝月姣; 张超
 （西北农林科技大学 资源环境学院，陕西 杨陵 712100）
Author(s):
 ZHAI Hui; ZHANG Hai*; QIU Mei; HAO Yue-jiao; ZHANG Chao
 （College of Natural Resources and Environment,Northwest A&F University,Yangling,Shaanxi 712100,China）
关键词:
黄土高原; 退耕坡地; 不同树种; 土壤生物学活性; 土壤生物学活性综合指数
Keywords:
 ; Loess Plateau;  slope land converted from farmland;  different tree types;  soil biological activity;  soil biological activity index
分类号:
S714.3
DOI:
doi:10.3969/j.issn.1001-7461.2016.04.06
文献标志码:
A
摘要:
 选取黄土高原退耕还林树种紫穗槐、油松、侧柏、新疆杨、刺槐和柠条为研究对象，以撂荒坡地为对照，分别测定不同林地土壤微生物量碳、土壤呼吸速率以及土壤酶活性，并通过计算土壤生物学活性综合指数比较不同类型林分土壤生物学活性差异。结果表明，0~60 cm各土层中不同林地土壤微生物量碳、呼吸速率和酶活性均较对照显著提高。0~20 cm和20~40 cm土层，刺槐林地土壤呼吸速率、脲酶和碱性磷酸酶活性均高于其他林地，柠条林地土壤过氧化氢酶和蔗糖酶活性呈现最大值，而土壤微生物量碳分别以刺槐和紫穗槐林地最大；40~60 cm土层，刺槐林地土壤呼吸速率和脲酶活性均显著高于其他林地，而土壤微生物量碳、过氧化氢酶和蔗糖酶活性均以柠条林地最大，各林地与对照之间的土壤碱性磷酸酶活性差异不显著（p<0.05）。土壤生物学活性综合指数表现为柠条>刺槐>油松>侧柏>紫穗槐>新疆杨>对照。在黄土退耕坡地营造人工水保林能够有效提高土壤生物量碳、呼吸速率和酶活性，从土壤生物学活性角度考虑，柠条和刺槐可作为试验区退耕还林的优先选择树种。
Abstract:
 Compared with the slope land (control),soil microbial biomass carbon,soil respiration rate and soil enzyme activity of six different forest plantations,Amorpha fruticosa(Ⅰ),Pinus tabulaeformis(Ⅱ),Platycladus orientalis(Ⅲ),Populus(Ⅳ),Robinia pseudoacacia(Ⅴ) and Caragaua korshinskii (Ⅵ),on slope land converted from farmland in the Loess Plateau were measured,and their soil biological activity indexes were calculated to compare the difference of soil biological activity among them.The results showed that there exhibited significant improvements of the soil MBC,soil respiratory rate and soil enzyme activity of all forest plantations at 0-60 cm soil depth.At 0-20 cm and 20-40 cm soil depth,the maximum increase of soil respiratory rate,urease and alkaline phosphatase activity were all in the Ⅴ site,and the maximum increase of soil catalase and invertase activity were both in the Ⅵ site,while soil MBC in the Ⅴ site and in theⅠsite respectively exhibited the maximum increase.At 40-60 cm soil depth,soil respiratory rate and urease activity in the Ⅴ site were much higher than those in the other sites,and the maximum increase of soil MBC,catalase and invertase activity were in the Ⅵ site,while the difference in soil alkaline phosphatase activity among all sites were not significant (p<0.05).The soil biological activity index was in the order Ⅵ>Ⅴ>Ⅱ>Ⅲ>Ⅰ>Ⅳ> control.Considering the soil biological activity,the most suitable cultivation species for the construction of plantations on the slope land converted from farmland in the Loess Plateau were C.korshinskii and R.pseudoacacia.Soil microbial biomass carbon,soil respiration rate and soil enzyme activity could be improved by building forest plantations on slope land converted from farmland.

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备注/Memo

备注/Memo:
 收稿日期：2015-08-06修回日期：2015-10-04
基金项目：国家农业部科技成果转化项目“黄土高原苹果园养分测控及旱地苹果专用肥示范与推广”；陕西省科技攻关“黄土坡地经济林节水抚育及降水利用技术研究”(2013K01-34)；杨凌示范区农业科技示范提升项目“渭北苹果园养分测控及旱地苹果专用肥示范推广”（TS-2014-40）。
作者简介：翟辉，女，硕士研究生，研究方向：生态环境工程。E-mail:zhaizhai2015@nwsuaf.edu.cn
*通信作者：张海，男，教授，研究方向：植被恢复及生态修复。E-mail:ylzh6@163.com
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