土壤熏蒸對土壤氮循環(huán)及其功能微生物的影響研究進(jìn)展.pdf

專論與綜述 doi 10 16801 j issn 1008 7303 2021 0102 土壤熏蒸對土壤氮循環(huán)及其功能微生物的影響研究進(jìn)展王晴1 張大琪1 方文生1 李園1 2 王秋霞1 2 顏冬冬 1 2 曹坳程 1 2 1 中國農(nóng)業(yè)科學(xué)院植物保護(hù)研究所北京 100193 2 現(xiàn)代農(nóng)業(yè)產(chǎn)業(yè)技術(shù)體系北京市創(chuàng)新團(tuán)隊(duì) 北京 100193 摘要土壤熏蒸憑借高效廣譜等優(yōu)點(diǎn)已被廣泛應(yīng)用但正因?yàn)槠渚哂袕V譜性熏蒸劑在殺死土壤中有害生物的同時也影響著驅(qū)動土壤中各種元素循環(huán) 轉(zhuǎn)化的非靶標(biāo)微生物土壤氮循環(huán)是連接大氣土壤和水體的重要樞紐而與氮循環(huán)有關(guān)的關(guān)鍵過程主要由微生物所驅(qū)動因此土壤熏蒸勢必會影響氮循環(huán)中的物質(zhì)轉(zhuǎn)化已有研究表明熏蒸劑可顯著改變一些與土壤氮循環(huán)相關(guān)的功能基因及功能微生物的種類及豐度其中一些熏蒸劑在進(jìn)行熏蒸處理后短期內(nèi)均能提高土壤中氮的礦化速率增加土壤中的氮素累積礦化量而固氮硝化和反硝化過程均受到抑制可提高對氮素的利用率本文就常用的幾種熏蒸劑在進(jìn)行土壤熏蒸后對土壤中氮循環(huán)中的固氮礦化硝化和反硝化等反應(yīng)中的各個關(guān)鍵過程和功能微生物產(chǎn)生的影響進(jìn) 行綜述可為研究土壤熏蒸的環(huán)境風(fēng)險提供依據(jù) 關(guān)鍵詞土壤熏蒸土傳病害氮循環(huán) 功能微生物中圖分類號 S472 S482 6 文獻(xiàn)標(biāo)志碼 A 文章編號 1008 7303 2021 06 1063 10 Research progress on the effect of soil fumigation on soil nitrogen cycles and functional microorganisms WANG Qing1 ZHANG Daqi1 FANG Wensheng1 LI Yuan1 2 WANG Qiuxia1 2 YAN Dongdong 1 2 CAO Aocheng 1 2 1 Institute of Plant Protection Chinese Academy of Agricultural Sciences Beijing 100193 China 2 Beijing Innovation Consortium of Agriculture Research System Beijing 100193 China Abstract Soil fumigation has been widely used with the advantages of high efficiency and broad spectrum moreover the broad spectrum of fumigants can not only kill the harmful organisms in the soil but also affect the non target microorganisms driving the circulation and transformation of various elements in the soil Soil nitrogen cycle is an important hub connecting the atmosphere soil and water and the key processes related to the nitrogen cycle are mainly driven by microorganisms Therefore soil fumigation is bound to affect the material transformation in the nitrogen cycle Existing research shows that the fumigant can significantly change the species and abundance of functional genes and microorganisms related to nitrogen cycles In the short term fumigation can improve soil nitrogen 農(nóng)藥學(xué)學(xué)報 2021 23 6 1063 1072 Chinese Journal of Pesticide Science 收稿日期 2020 10 20 錄用日期 2021 05 28 基金項(xiàng)目國家重點(diǎn)研發(fā)計(jì)劃 2017YFD0201600 北京市優(yōu)秀人才培養(yǎng)資助 2018000021223ZK47 作者簡介王晴女碩士研究生 E mail wangqingxxx000 顏冬冬通信作者 Author for correspondence 男副研究員從事土壤熏蒸對養(yǎng)分循環(huán)影響研究 E mail yandongdong 曹坳程通信作者 Author for correspondence 男研究員從事土壤熏蒸劑應(yīng)用技術(shù)研究 E mail caoac