深翻耕和连作对植烟土壤养分及其生物活性的影响

福建农业学报 ›› 2011, Vol. ›› Issue (2): 298-303.

深翻耕和连作对植烟土壤养分及其生物活性的影响

刘红杰¹, 习向银², 刘朝科^1,3, 张涛³, 古力¹, 赵志鹏¹, 张重义¹

1. 河南农业大学, 河南郑州450002;
2. 西南大学, 重庆400715;
3. 川渝中烟工业公司, 四川成都610000

收稿日期:2010-08-18 修回日期:2010-10-28 出版日期:2011-04-15 发布日期:2011-04-15
通讯作者: 张重义(1963-),男,教授,研究方向:作物生理生态学(E-mail:hauzzy@163.com)
基金资助:
川渝中烟工业公司科技项目(2009YYJD)

Effect of Deep Plowing and Continuous Cropping on Nutrient Level and Biological Activity in Soil for Tobacco Plantation

LIU Hong-jie¹, XI Xiang-yin², Liu Chao-ke^1,3, ZHANG Tao³, GU Li¹, ZHAO Zhi-peng¹, ZHANG Zhong-yi¹

1. Henan Agricultural University, Zhengzhou, Henan 450002, China;
2. Southwest University, Chongqing 400715, China;
3.China Tobacco chuanyu Industrial Corporation, Chengdu, Sichuan 610031, China

Received:2010-08-18 Revised:2010-10-28 Online:2011-04-15 Published:2011-04-15

摘要/Abstract

摘要： 采用池栽试验对不同处理土壤的养分及其生物活性的动态变化进行研究。结果表明:(1)烟草长期连作使土壤养分不均衡,土壤脲酶、蔗糖酶和磷酸酶活性下降,微生物量氮含量、细菌和真菌数量减少,而土壤微生物量碳含量逐渐变大。(2)深翻耕促进了土壤氮素转化,减缓了土壤酸化,提高了土壤有机质含量,这有利于烟草生长;深翻耕明显提高了土壤磷酸酶和蔗糖酶活性,但对过氧化氢酶活性影响较小,而对脲酶活性有负影响;深翻耕增加了土壤微生物数量和微生物量碳氮含量,这有利于促进土壤养分转化和土壤酶活性提高。

关键词: 烟草, 深翻耕, 连作, 土壤养分, 土壤生物活性

Abstract: Isolated pools were used to study the dynamic changes of nutrients and biological activity in soil.The results showed that(1) long-term cropping could result in soil nutrient imbalance,reduced urease,phosphatase and sucrase activities,lowered microbial biomass nitrogen,lessened number of bacteria and fungi,and increased microbial biomass carbon;and(2) deep plowing could promote nitrogen transformation,relieve acidification,and increase organic matters in the soil,conducive to tobacco growth.Furthermore,deep plowing could significantly increase soil phosphatase and sucrase activities.It had little effect on hydrogen peroxidase activity,and a negative effect on urease.Deep plowing could increase quantity of microbial biomass carbon and nitrogen in soil,which could promote the soil nutrient transformation and enzyme activities.Thus,it appeared that deep plowing could off set the harms of long-term continuous cropping on a tobacco plantation providing a significant direction for an improvement on the agricultural practice.

Key words: tobacco, deep plowing, continuous cropping, soil nutrients, soil biological activity

中图分类号:

S572

刘红杰, 习向银, 刘朝科, 张涛, 古力, 赵志鹏, 张重义. 深翻耕和连作对植烟土壤养分及其生物活性的影响[J]. 福建农业学报, 2011, (2): 298-303.

LIU Hong-jie, XI Xiang-yin, Liu Chao-ke, ZHANG Tao, GU Li, ZHAO Zhi-peng, ZHANG Zhong-yi. Effect of Deep Plowing and Continuous Cropping on Nutrient Level and Biological Activity in Soil for Tobacco Plantation[J]. Fujian Journal of Agricultural Sciences, 2011, (2): 298-303.

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