有机无机垃圾复混肥对土壤理化性质和玉米产量的影响
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国家自然科学基金重点项目子课题“黑河流域生态恢复问题的研究”(40235053)资助。


EFFECTS OF APPLICATION OF COMPOSTED DOMESTIC WASTE ON SOIL PHYSICO-CHEMICAL PROPERTIES AND YIELD OF CORN
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    摘要:

    本文进行了垃圾复混肥、化肥、垃圾堆肥田间比较试验。结果表明:垃圾复混肥与CK比较,0~20cm土层土壤体积质量降低0.11 g/cm3,总孔隙度增加3.4%,> 0.25 mm团粒结构增加5.51%,自然含水量增加71.68 g/kg,贮水量增加145.69 m3/hm2,阳离子交换量增加7.03 cmol/kg,有机质增加1.77 g/kg,碱解N、速效P和速效K分别增加20.51、2.95和11.10 mg/kg,pH降低0.17。玉米株高、穗粒数、穗粒重和百粒重分别增加43.20cm、25.55粒、28.75 g和2.43 g,增产率达25.86%。并对土壤重金属离子Hg、Cd、Cr、Pb富集有明显减缓趋势。不同处理间差异显著性经LSR检验达到显著或极显著水平。

    Abstract:

    Comparison experiment of fertilizer-waste mixture, chemical fertilizer and composted domestic waste was carried out in the field. Results indicated that in comparison with CK, the use of fertilizer-waste mixture decreased the bulk density by 0.11 g/cm3 and pH by 0.17, but increased total porocity by 3.4 %, granular structure (> 0.25 mm) by 5.51 %, natural moisture content by 71.68 g/kg, waterstorage capacity by 145.69 m3/hm2, CEC by 7.03 cmol/kg, organic matter by 1.77 g/kg, alkalytic N by 20.51 mg/kg, readily available P by 2.95 mg/kg, readily available K by 11.10 mg/kg, plant height by 43.20 cm, number of grains per spike by 25.55, grain weight by 28.75 g, hundred-grain weight by 2.43 g and yield by 25.86 %. Moreover, the application also retarded accumulated of heavy metals, such as Hg, Cd, Cr, and Pb in the soil significantly. The difference between treatments reached significance and extremely significance based on LSD analysis.

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秦嘉海,金自学,陈广泉,刘金荣,谢晓蓉.有机无机垃圾复混肥对土壤理化性质和玉米产量的影响[J].土壤,2005,37(5):559-562. QIN Jia-hai, JIN Zi-xue, CHEN Guang-quan, LIU Jin-rong, XIE Xiao-rong. EFFECTS OF APPLICATION OF COMPOSTED DOMESTIC WASTE ON SOIL PHYSICO-CHEMICAL PROPERTIES AND YIELD OF CORN[J]. Soils,2005,37(5):559-562

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  • 在线发布日期: 2017-05-19
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