生物炭与绿肥配施对不同粒径黄壤无机氮含量及其贡献率的影响  

Effects of biochar and green fertilizer on inorganic nitrogen content and its contribution rate in different size yellow soil

作　　者：陈云梅 赵堂甫 赵欢[2] 肖厚军[2] 谢婷婷 胡岗[2] 秦松[2] CHEN Yunmei;ZHAO Tangfu;ZHAO Huan;XIAO Houjun;XIE Tingting;HU Gang;QIN Song(Agricultural College,Guizhou University,Guiyang 550006,China;Guizhou Farmland Conservation and Agro-Environmental Science Observation and Experimental Station,Ministry of Agriculture and Rural Affairs,Guizhou Institute of Soil and Fertilizer,Guizhou Academy of Agricultural Sciences,Guiyang 550006,China)

机构地区：[1]贵州大学农学院,贵州贵阳550006 [2]贵州省农业科学院,土壤肥料研究所/农业农村部贵州耕地保育与农业环境科学观测实验站,贵州贵阳550006

出　　处：《磷肥与复肥》2021年第11期49-52,共4页Phosphate & Compound Fertilizer

基　　金：国家重点研发计划项目(2018YFD0200705)。

摘　　要：采用盆栽试验研究生物炭与绿肥配施对不同粒径(>2.00 mm、>0.25~2.00 mm、0.053~0.250 mm和<0.053 mm)黄壤无机氮形态及其贡献率的影响。结果表明:生物炭配施绿肥不同程度提高黄壤铵态氮和硝态氮含量及其对土壤全氮贡献率,有利于黄壤大颗粒无机氮储存,且以生物炭500 g配施绿肥100 g(土25 kg)效果最佳。The effects of biochar and green fertilizer on inorganic nitrogen morphology and contribution rate of yellow soil with different particle size(>2.00 mm,>0.25-2.00 mm,>0.053-0.250 mm and<0.053 mm)are studied by pot experiment.The results show that the content of ammonium nitrogen and nitrate nitrogen in yellow soil and its contribution rate to soil total nitrogen are increased in different degree by applying green manure,it is beneficial to the storage of large particles inorganic nitrogen in yellow soil,the effect of 500 g biochar combined with 100 g green fertilizer(25 kg soil)is best.

关 键 词：生物炭 绿肥 黄壤 无机氮 贡献率 

分 类 号：S152[农业科学—土壤学]