玉米根茬留田对土壤微生物量碳和酶活性动态变化特征的影响

应用生态学报 ›› 2002, Vol. ›› Issue (3): 303-306.

玉米根茬留田对土壤微生物量碳和酶活性动态变化特征的影响

宋日^1,2, 吴春胜², 牟金明², 姜岩², 郭继勋¹

1. 东北师范大学国家草地生态工程实验室, 长春 130024;
2. 吉林农业大学农学院, 长春 130118

收稿日期:2001-02-09 修回日期:2001-05-21 出版日期:2002-03-15
通讯作者: 宋日,男,1966年生,博士生,主要从事农业生态学和草地生态学教学和研究,发表论文16篇.Tel:0431-4512782.
基金资助:
国家“九五”科技攻关资助项目(950010010302)

Effects of maize stubble remaining in field on dynamics of soil microbial biomass C and soil enzyme activities

SONG Ri^1,2, WU Chunsheng², MOU Jinming², JIANG Yan², GUO Jixun ¹

1. National Laboratory of Grassland Ecological Engineering, Northeast Normal University, Changchun 130024;
2. College of Agronomy, Jilin Agricultural University, Changchun 130024

Received:2001-02-09 Revised:2001-05-21 Online:2002-03-15

摘要/Abstract

摘要： 通过田间试验分析了玉米根茬留田对土壤生物活性动态变化的影响,结果表明,玉米根茬留田对提高土壤微生物量碳含量和土壤脲酶、磷酸酶、纤维素酶以及转化酶活性效果显著.动态变化特征表明,各处理的土壤微生物量碳和4种酶活性均在播种后60d左右出现高峰.此时正值作物生育旺盛时期,利于作物生长发育,说明玉米根茬留田配施化肥的培肥土壤效果显著,而且可以保持玉米持续高产稳产.

Abstract: This study dealt with the effects of maize stubble remaining in field on dynamics of soil microbial biomass Cand soil enzyme actvities. The results showed that maize stubble remaining in field could raise soil microbial biomass Cand the actvities of urease,phosphatase,cellulase,and invertase in soil remarkably. According to the dynamics of soil microbial biomass Cand activities of the four enzymes,the five characters reached their maximum values about 60 days after sowing,and the crops were in bloom of growth. The results also showed that maize stubble remaining in field had positive effects on improving fertility and keeping high and steady yield of maize.

中图分类号:

S154.2

宋日, 吴春胜, 牟金明, 姜岩, 郭继勋. 玉米根茬留田对土壤微生物量碳和酶活性动态变化特征的影响[J]. 应用生态学报, 2002, (3): 303-306.

SONG Ri, WU Chunsheng, MOU Jinming, JIANG Yan, GUO Jixun . Effects of maize stubble remaining in field on dynamics of soil microbial biomass C and soil enzyme activities[J]. Chinese Journal of Applied Ecology, 2002, (3): 303-306.

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