自然资源学报 ›› 2012, Vol. 27 ›› Issue (8): 1296-1303.doi: 10.11849/zrzyxb.2012.08.004

• 资源利用与管理 • 上一篇    下一篇

灌溉后通气对盆栽番茄土壤酶活性的影响

张璇1, 牛文全1,2, 甲宗霞1   

  1. 1. 西北农林科技大学 水利与建筑工程学院,陕西 杨凌 712100;
    2. 中国科学院、水利部 水土保持研究所,陕西 杨凌 712100
  • 收稿日期:2010-06-10 修回日期:2012-01-04 出版日期:2012-08-20 发布日期:2012-08-20
  • 通讯作者: 牛文全(1972-),男,副研究员,博士,主要从事农田灌溉及水土资源高效利用方面的理论与技术。E-mail: nwq@vip.sina.com E-mail:nwq@vip.sina.com
  • 基金资助:
    国家高技术发展计划课题(2011AA100507)。

Influences of Rhizosphere Aeration Supplies on Soil Enzyme Activities for Potted Tomato after Irrigation

ZHANG Xuan1, NIU Wen-quan1,2, JIA Zong-xia1   

  1. 1. College of Water Conservancy and Architectural Engineering, Northwest A & F University, Yangling 712100, China;
    2. Institute of Soil and Water Conservation, CAS and Ministry of Water Resources, Yangling 712100, China.
  • Received:2010-06-10 Revised:2012-01-04 Online:2012-08-20 Published:2012-08-20

摘要: 为改善作物根系生长环境,采用空气压缩机控制盆栽番茄供气,研究了不同水、气条件对土壤酶活性及盆栽番茄生长的影响。研究结果表明:土壤过氧化氢酶、脲酶和脱氢酶活性在番茄生育期内均呈先增大后减小的变化趋势;不同水分条件下通气处理均能提高过氧化氢酶、脲酶和脱氢酶活性,但以80%田间持水量、通气量系数为0.8组合时效果最好;番茄产量与植株干物质积累在该组合下也达到最高值。说明80%田间持水量、通气量系数为0.8组合可改善番茄根际土壤气体环境,提高酶活性,促进植株生长,提高果实产量。

关键词: 番茄, 灌溉水平, 土壤通气量, 土壤酶活性

Abstract: In order to improve the growth environment of the root zone,we investigate the effects of different water and rhizosphere aeration supplies on soil enzyme activities and tomato growth by using air compressor to supply gas to potted tomato. The results showed that in the tomato growth period the activities of catalase, urease and dehydrogenase showed a trend of decreasing after initial increase. The activities of catalase, urease and dehydrogenase were improved under the aeration treatment compared to non-aeration in different water conditions, while the irrigation level is 80% of the field capacity and the aeration coefficient is 0.8, the activities of three soil enzyme reached the highest value, and the tomato plant has most dry matter accumulation and yield under this combination. The results prove water (80% of field capacity) and aeration (the coefficient is 0.8) can improve potted tomato root zone environment, increase the activity of soil enzyme, promote the plant growth and increase fruit yield.

Key words: potted tomato, irrigation level, aeration volume, soil enzyme activity

中图分类号: 

  • S152.7