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《Journal of Anhui Agricultural Sciences》 2009-36
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Study on the Composting and Application of Bio-organic Fertilizer by Co-fermenting with Lees and Wheat Straw

HUANG Ya-dong et al(Jiangsu Food Science Vocational Technical College,Huaian,Jiangsu 223003)  
[Objective]The aim was to produce bio - organic fertilizer by selecting lees and wheat straw as main raw materials,and improve saline - alkali soil in north of Jiangsu.[Method]The raw materials were pretreated and mixed,then many kinds of microbial strains were inoculated for composting fermentation.20 days later,the bio -organic fertilizer was produced.At last,the detection on nutrient ingredients and fertilization test were undertaken.[Result]After three years fertilization test,the mean decreasing rate of pH value of test soil was 10.8%and the increasing rate of organic matter,total N,P,K were 34.2%,35.9%,23.7%,30.8%.The average value of plant height,ear length, stem diameter,panicle rate were 232.7cm,37.6 cm,1.82 cm,88.6%,and the yield was 5656.5 kg/hm~2,all of them exceeded the average of control group.[Conclusion]The study will provide a reference for utilization of lees and straw.
【Fund】: 淮安市工业科技攻关项目(HAG07026)
【CateGory Index】: S141.4
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