紫云英配施化肥对土壤腐殖质各组分的影响  

Effects of Chinese Milk Vetch Combined with Chemical Fertilizer on Soil Humus Fraction

作　　者：冯颖 温晓兰 石温慧 刘小粉[2] FENG Ying(Beijing High-Quality Products production and Selling Service Station,Beijing 100101,China)

机构地区：[1]北京市优质农产品产销服务站,北京100101 [2]河北工程大学,河北邯郸056000

出　　处：《安徽农学通报》2021年第8期95-97,共3页Anhui Agricultural Science Bulletin

基　　金：河北省自然科学基金(D2016402029)。

摘　　要：试验设置不施肥(CK)、传统化肥(100%CF)、紫云英配施100%传统化肥(GM+100%CF)、紫云英配施80%传统化肥(GM+80%CF)、紫云英配施60%传统化肥(GM+60%CF)、紫云英配施40%传统化肥(GM+40%CF)等6个处理,探讨紫云英配施化肥对土壤腐殖质各组分的影响效果。结果表明:(1)与100%CF相比,紫云英配施化肥的胡敏酸和富里酸含量显著升高(p<0.05),胡敏素含量显著降低(p<0.05)。(2)胡敏素有机碳含量最高,为6.1~9.2g/kg,占土壤总有机碳的46.5%~70.4%;富里酸有机碳含量次之,为2.0~5.0g/kg,占土壤总有机碳的15.2%~38.3%;胡敏酸有机碳含量最低。(3)紫云英配施化肥提升了胡敏酸和富里酸对土壤总有机碳的贡献率。因此,建议在豫南地区水稻田利用紫云英配施化肥提升土壤质量和肥力。A four-year field experiment was conducted to investigate the effects of reducing chemical fertilizer com⁃bined with Chinese milk vetch on soil humus fraction.The field experiments included six treatments:no fertilizer(CK),traditional fertilizer(100%CF),Chinese milk vetch combined with 100%traditional fertilizer(GM+100%CF),Chinese milk vetch combined with 80%traditional fertilizer(GM+80%CF),Chinese milk vetch com⁃bined with 60%traditional fertilizer(GM+60%CF),Chinese milk vetch combined with 40%traditional fertilizer(GM+40%CF).The following results showed that:(1)Compared with CK,contents of HA and FA significantly in⁃creased(p<0.5),contents of HM significantly decreased(p<0.5).(2)The organic carbon content of HM was as high as 6.1~9.2g/kg,accounting for 46.5%~70.4%of total organic carbon;the organic carbon content of FA was 2.0~5.0g/kg,accounting for 15.2%~38.3%of total organic carbon;the organic carbon content of HA was lowest.(3)Chinese milk vetch combined with traditional fertilizer increased contribution of HA and FA to soil total organic car⁃bon,decreased contribution of HM to soil total organic carbon.Therefore,Chinese milk vetch combined with tradi⁃tional fertilizer was suggested to fertilize soil and improve soil quality in southern Henan rice-producing areas.

关 键 词：紫云英配施化肥 土壤腐殖质 有机碳 

分 类 号：S152.4[农业科学—土壤学]