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| 不同复种模式对云南植烟红壤根区有机碳和微生物量碳的影响 | |
| 引用本文： | 官会林,郭云周,张云峰,刘建香,尹小怀,罗余红.不同复种模式对云南植烟红壤根区有机碳和微生物量碳的影响[J].农业环境科学学报,2011,30(1). |
| 作者姓名： | 官会林 郭云周 张云峰 刘建香 尹小怀 罗余红 |
| 作者单位： | 1. 云南师范大学能源与环境学院,昆明,650092 2. 云南师范大学生命科学学院,昆明,650092 3. 云南农业科学研究院,农业环境资源研究所,昆明,650205 4. 富源县农业技术推广中心,云南富源,655500 5. 云南农业科学研究院,农业环境资源研究所,昆明,650205;云南彝良县第一中学,云南彝良,657600 |
| 基金项目： | 国家公益性行业(农业)科研专项(200803029-04); 国家自然科学基金(40861019); 国家“十一五”科技支撑(2007BAD87B12); 国家水体污染控制与治理科技重大专项(2009zx07102-004) |
| 摘 要： | 建立合理的轮作制是解决烟草种植土壤障碍的有效途径。云南植烟地块,在秋冬季节主要以轮作小麦、紫花苕、豆类及蔬菜等作物为主,在云南曲靖和晋宁烟草种植区,选择了小麦收获后留根茬(20cm左右)翻压后种植烟草(麦-烟),紫花苕子收获后留根茬(30cm左右)翻压后种植烟草(绿-烟)、豆类(豆-烟)和蔬菜(菜-烟)收获后根茬及秸秆全部移除地外种植烟草的4种轮作模式,研究了不同模式对植烟红壤微生物碳(SMBC)及土壤有机碳(SOC)的影响。结果表明:绿-烟和豆-烟复种模式下,植烟生长期内根区SMBC及SOC均高于麦-烟、菜-烟复种及冬闲地,并且差异达显著或极显著水平;不同复种模式下,SMBC、SOC及SMBC/SOC间呈显著相关性,绿-烟及豆-烟复种模式有利于提高SMBC与SOC含量,延长土壤活性功能,SMBC曲线变化的高峰值均出现在成熟期,其余模式则出现在旺长期;不同模式对提高SMBC与SOC含量影响为:绿-烟>豆-烟>麦-烟>冬闲地>菜-烟。据此认为土壤SMBC或SMBC/SOC可作为轮作模式影响烟地红壤质量变化的生物学评价指标。 |
| 关 键 词： | 植烟轮作 土壤微生物量碳 土壤有机碳 生物学评价 |
Effect of Different Mode of Alternating Crop-planting on Content of Organic Carbon and Microbial Biomass Carbon in the Soil Within Tobacco Root Regions in Yunnan,China |
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| GUAN Hui-lin,GUO Yun-zhou,ZHANG Yun-feng,LIU Jian-xiang,YIN Xiao-huai,LUO Yu-hong.Effect of Different Mode of Alternating Crop-planting on Content of Organic Carbon and Microbial Biomass Carbon in the Soil Within Tobacco Root Regions in Yunnan,China[J].Journal of Agro-Environment Science( J. Agro-Environ. Sci.),2011,30(1). | |
| Authors: | GUAN Hui-lin GUO Yun-zhou ZHANG Yun-feng LIU Jian-xiang YIN Xiao-huai LUO Yu-hong |
| Institution: | GUAN Hui-lin1,GUO Yun-zhou2,ZHANG Yun-feng3,LIU Jian-xiang2,YIN Xiao-huai4,LUO Yu-hong3,5(1.Faculty of Energy and Environment,Yunnan Normal University,Kunming 650092,China,2.School of Biological Science,3.Institute of Agricultural Environment and Resources,Yunnan Academy of Agricultural Sciences,Kunming 650205,4.Agricultural Technology Extension Center in Fuyuan County,Fuyuan 655500,5.Yiliang First Middle School,Yiliang 657600,China) |
| Abstract: | A reasonable alternating crop-planting mode is regarded as to be an effective way to build a soil environment favorable for the tobacco growing.In the tobacco growing regions in Yunnan,cultivated lands were usually used to grow wheat,light purple sweet potato leaves,beans,vegetables and other crops in the fall and winters and grow tobacco in summers.In this work,four alternating growing modes:wheat-tobacco,green-tobacco,beans-tobacco,vegetables-tobacco,were comparatively tested in Qujing and Jinning with ai... |
| Keywords: | tobacco crop rotation soil microbial biomass carbon soil organic carbon biological evaluation |
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