[1]何祯,高佳钰,黄玉洁,等.山核桃蒲壳3种还林方式对林地土壤的改良作用[J].浙江林业科技,2024,44(02):50-55.[doi:10.3969/j.issn.1001-3776.2024.02.007]
 HE Zhen,GAO Jiayu,HUANG Yujie,et al.Amelioration of Forest Soil by Treatments of Chinese Hickory Hull[J].Journal of Zhejiang Forestry Science and Technology,2024,44(02):50-55.[doi:10.3969/j.issn.1001-3776.2024.02.007]
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山核桃蒲壳3种还林方式对林地土壤的改良作用()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
44
期数:
2024年02期
页码:
50-55
栏目:
出版日期:
2024-03-29

文章信息/Info

Title:
Amelioration of Forest Soil by Treatments of Chinese Hickory Hull
文章编号:
1001-3776(2024)02-0050-06
作者:
何祯1高佳钰1黄玉洁1蔡建武2梁辰飞3柳新红1张骏1冯博杰1王宗星1沈爱华1
1.浙江省林业技术推广总站,浙江 杭州 310020;2.桐乡市林业工作站,浙江 桐乡 314500;3.浙江农林大学 环境与资源学院,浙江 杭州 311300
Author(s):
HE Zhen1GAO Jiayu1HUANG Yujie1CAI Jianwu2LIANG ChenfeiLIU Xin-hong1ZHANG Jun1FENG Bojie1WANG Zong-xing1SHEN Aihua1
1.General Station of forestry technology promotion in Zhejiang province, Hangzhou 310020, China ;2.School of Environment and Resource Sciences, Zhejiang A&F University, Hangzhou 311300, China
关键词:
山核桃蒲壳有机肥生物质炭覆盖微生物群落
Keywords:
Carya cathayensis hull organic fertilizer biochar mulching soil microbial community
分类号:
S664.9;S714.6
DOI:
10.3969/j.issn.1001-3776.2024.02.007
文献标志码:
A
摘要:
山核桃Caryacathayensis是浙江省和安徽省重要的经济林树种,每年都会产生大量山核桃蒲壳废弃物,但其目前对山核桃蒲壳的利用率相对较低。同时,林地的集约化管理导致土壤质量退化,严重制约了山核桃产业发展。为此,2021年10月,在浙江省杭州市临安区湍口镇的山核桃林地中,设置了野外控制实验,旨在评估3种山核桃蒲壳还林方式对土壤酸碱度、土壤养分、微生物群落及酶活性的改良效果。试验设置4种处理:对照(不施用其他物料,CK)、覆盖山核桃蒲壳生物质炭(BC)、覆盖蒲壳(HM)、覆盖山核桃蒲壳有机肥(OF)。经过一年的处理,结果表明:(1)相对于CK处理,HM和BC处理显著提高了土壤pH值(P<0.05),分别提高了0.33和1.71个单位;(2)与CK处理相比,其他3种处理均能显著提高土壤有机碳含量(P<0.05);(3)与CK处理相比,其他3种处理的土壤微生物生物量显著增加了22.1%~54.8%(P<0.05),各微生物类群均呈增加趋势,HM处理提高了真菌/细菌比率(F/B);(4)BC、HM和OF3种处理对土壤中与碳、氮转化相关的酶活性均有提升效果,主要包括α-葡萄糖苷酶、β-葡萄糖苷酶、纤维二糖水解酶、β-木聚糖苷酶和亮氨酸氨基肽酶。施用山核桃蒲壳有机肥和覆盖山核桃蒲壳处理在改善土壤质量、经济成本和操作性方面均具有优势。
Abstract:
Sample plots were established in 20-year Carya cathayensis stand in Lin’an, Zhejiang province. They were intensively managed for 10 years, including applying chemical fertilizer and herbicide. In October 2021, experiments were conducted by randomized blocks design on C. cathayensis stand treated by hickory hull biochar (BC), hickory hull mulching (HM), hickory hull organic fertilizer (OF) and CK. In October 2022,0-20 cm soil were sampled. The result demonstrated that soil pH elevated by 0.33-1.71 in the treatment of HM and BC treatments, compared to that in the CK. Treatments could increase evidently soil organic carbon content, except the control. Soil microbial biomass in the three treatments increased 22.1%-54.8% than that in the control, with more microbial groups. HM treatment resulted in an improved fungal-to-bacterial ratio (F/B). The tested treatments showed positive effect on enzymatic activities of soil carbon and nitrogen convertion, including α-glucosidase, β-glucosidase, cellobiose hydrolase, β-xyloglucosidase, and leucine aminopeptidase.

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备注/Memo

备注/Memo:
收稿日期:2023-05-11;修回日期:2024-02-03
基金项目:中央财政林业科技推广示范资金〔2020〕TS01号
作者简介:何祯,林业工程师,从事森林培育和林业技术推广等研究;E-mail:hezhen0901@163.com。
通信作者:沈爱华,正高级工程师,从事森林培育和生态等研究;E-mail:mailahshen@126.com。
更新日期/Last Update: 2024-04-10