|本期目录/Table of Contents|

[1]范美莉,朱国兵,汪文俊,等.化肥减施下生物炭与绿肥翻压对井冈蜜柚产量及土壤固碳效果的影响[J].江苏农业科学,2023,51(18):227-233.
 Fan Meili,et al.Effects of biochar and green manure on carbon sequestration and yield of Jinggang pomelo under chemical fertilizer reduction[J].Jiangsu Agricultural Sciences,2023,51(18):227-233.
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化肥减施下生物炭与绿肥翻压对井冈蜜柚产量及土壤固碳效果的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第51卷
期数:
2023年第18期
页码:
227-233
栏目:
资源与环境
出版日期:
2023-09-20

文章信息/Info

Title:
Effects of biochar and green manure on carbon sequestration and yield of Jinggang pomelo under chemical fertilizer reduction
作者:
范美莉1朱国兵1汪文俊2刘军根2
1.吉安职业技术学院现代农林工程学院,江西吉安 343000; 2.吉安职业技术学院公共基础课教育部,江西吉安 343000
Author(s):
Fan Meiliet al
关键词:
生物炭绿肥土壤有机碳组分碳库管理指数编码基因产量
Keywords:
-
分类号:
S666.306
DOI:
-
文献标志码:
A
摘要:
为探索化肥减施条件下生物炭与绿肥翻压对井冈蜜柚产量和土壤固碳效果的影响,采用划区试验,设置常规施肥(CK1)、常规施肥减量25%(CK2)、化肥减施添加生物炭(BC),BC分别配施毛叶苕子(BVV)、二月兰(BOH)、黑麦草(BLP)绿肥翻压处理,分析化肥减施下生物炭配施绿肥翻压对井冈蜜柚果园土壤固碳、碳库管理指数及蜜柚产量的影响。结果表明,与CK1处理相比,连续化肥减施处理(CK2)3年后增加了土壤容重,减少了0~30 cm表层土的总有机碳(TOC)、易氧化有机碳(EOC)、轻质有机碳(LOC)、可溶性有机碳(DOC)组分含量,降低了固碳细菌编码基因(cbbL、cbbM)的绝对丰度、有机碳储量及蜜柚产量;在此基础上单施生物炭均具有一定的促进作用,但效果不理想。生物炭配施绿肥翻压处理(BVV、BOH、BLP)中上述指标得到进一步提升,且以BOH处理整体较优,显著降低了碳库活性指数,增加了土壤TOC、EOC、LOC、DOC含量,碳库管理指数达104.79%;与CK1处理相比,BOH连续施用3年后,有机碳储量、蜜柚产量分别显著提高4.59%、10.49%。综上,化肥连续减施25%条件下,生物炭配施二月兰翻压处理具有明显的固碳及增产效应,是最优处理。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2023-05-11
基金项目:江西省教育厅科学技术研究项目(编号:GJJ219403)。
作者简介:范美莉(1986—),女,江西吉安人,硕士,讲师,研究方向为土壤生态与固碳。E-mail:fanmeili2022@126.co
更新日期/Last Update: 2023-09-20