生物质炭基肥对农田土壤温室气体排放年际变化的影响

doi:10.3969/j.issn.1004-1524.2017.06.17

浙江农业学报 ›› 2017, Vol. 29 ›› Issue (6): 977-981.DOI: 10.3969/j.issn.1004-1524.2017.06.17

生物质炭基肥对农田土壤温室气体排放年际变化的影响

陈红卫¹, 黄玲¹, 冯露², 李晓庆², 孟雨田², 代琳²

1.河南科技学院,河南新乡 453003;
2.东北农业大学资源与环境学院,黑龙江哈尔滨 150030

收稿日期:2017-01-10 出版日期:2017-06-20 发布日期:2017-09-07
作者简介:陈红卫(1966—),男,河南博爱人,博士,副教授,主要从事作物养分水分高效利用与推广研究。E-mail: chw27@qq.com
基金资助:
国家自然科学基金项目(51509085)

Effects of biochar based fertilizer on seasonal variation of greenhouse gas emissions

CHEN Hongwei¹, HUANG Ling¹, FENG Lu², LI Xiaoqing², MENG Yutian², DAI Lin²

1. Henan Institute of Science and Technology,Xinxiang 453003,China;
2. College of Resources and Environment,Northeast Agricultural University,Harbin 150030,China

Received:2017-01-10 Online:2017-06-20 Published:2017-09-07

摘要/Abstract

摘要： 通过大田试验,研究分析不同梯度用量生物质炭基肥(0、10、20、30 t·hm^-2)对旱作农田土壤温室气体排放的影响。结果表明,与对照(CK)相比,施用生物质炭基肥土壤的CO₂-C排放量在2015年和2016年分别提高了0.81%~23.05%和11.66%~30.94%;土壤N₂O的排放总量分别降低了13.32%~16.59%和7.90%~19.57%。综合连续2 a试验结果,本研究中生物质炭基肥施用增加了土壤CO₂排放,但对于降低土壤N₂O排放、全球增温潜势(GWP)、温室气体排放强度(GHGI)具有显著和持续效应,且在高用量下(30 t·hm^-2)的持续效应具有年际间稳定性。

关键词: 生物质炭, 砂壤土, 温室气体, 减排

Abstract: A field experiment was performed to investigate the effect of application of biochar based fertilizer (0, 10, 20, 30 t·hm^-2) on soil N₂O,CO₂ emissions in 2015 and 2016. It was shown that compared with CK, CO₂-C emissions were increased in 2015 and 2016 by 0.81%-23.05% and 11.66%-30.94%, respectively, while, N₂O emissions were decreased by 13.32%-16.59% and 7.90%-19.57% in 2015 and 2016, respectively. Based on the results, although application of biochar based fertilizer increased soil CO₂ emission, it could effectively reduce soil N₂O emission, and decrease global warming potential (GWP) and greenhouse gas intensity (GHGI). Moreover, the effects of 30·t·hm^-2 application rate were sustainable between years.

Key words: biochar, sandy loam, green house gases, emission reduction

中图分类号:

S156.2

陈红卫, 黄玲, 冯露, 李晓庆, 孟雨田, 代琳. 生物质炭基肥对农田土壤温室气体排放年际变化的影响[J]. 浙江农业学报, 2017, 29(6): 977-981.

CHEN Hongwei, HUANG Ling, FENG Lu, LI Xiaoqing, MENG Yutian, DAI Lin. Effects of biochar based fertilizer on seasonal variation of greenhouse gas emissions[J]. , 2017, 29(6): 977-981.

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生物质炭基肥对农田土壤温室气体排放年际变化的影响

Effects of biochar based fertilizer on seasonal variation of greenhouse gas emissions

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