玉米秸秆还田对土壤肥力的影响  

Effect of maize straw returning on soil fertility

作　　者：闫一凡[1] 王洪亮[1] 吴大付[1] 任秀娟[1] 

机构地区：[1]河南科技学院,河南新乡453003

出　　处：《河南科技学院学报（自然科学版）》2012年第2期14-17,共4页Journal of Henan Institute of Science and Technology(Natural Science Edition)

基　　金：河南科技学院大学生课外科技活动创新基金项目

摘　　要：我国的玉米秸秆大部分未能很好处理利用而被农民弃之焚烧,造成严重的环境污染.以河南省安阳县潮土为供试土壤,连续5 a进行大田玉米秸秆还田,结果表明:连续5 a玉米秸秆还田并适量配施化肥,土壤有机质、碱解氮、速效磷、速效钾含量比未还田组有显著增加.调查结果显示,有78.1%的农民认为玉米秸秆还田无法显著提高土壤肥力,农民对秸杆还田效果的主观认识在一定程度上阻碍了秸杆还田技术的应用与推广.Maize straw has been either abandoned or burnt by farmers in our country,which bring serious environmental pollution.Experiment was carried out with flouvo-aguic soils from Anyang,Henan.Results showed that soil organic matter,available nitrogen,readily available phosphate,readily available potassium content in the treatments with maize straw returning for five years were significantly increased compared with CK（no straw returning）.The survey results showed that 78.1% of farmers believe that the straw returning had no effect to soil fertility.The subjective cognition of farmer on the effective of straw returning the promotion and application of the straw returning technology to some extent.

关 键 词：玉米秸秆 秸秆还田 土壤肥力 

分 类 号：S158.2[农业科学—土壤学] S513[农业科学—农业基础科学]