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当前位置: 首页 > 文章 > 白云石粉对贵州酸性黄壤化学特性及烤烟生物量的影响 云南农业大学学报(自然科学) 2015,30 (1) 90-95
Position: Home > Articles > Effect of Dolomite Powder on Chemical Properties of Acidic Soil and Biomass of Flue-cured Tobacco Journal of Yunnan Agricultural University(Natural Science) 2015,30 (1) 90-95

白云石粉对贵州酸性黄壤化学特性及烤烟生物量的影响

作  者：
罗红香;李余湘;郭光东;周明;江玉平;李章海;武德传
单  位：
中国科学技术大学烟草与健康研究中心;贵州省烟草公司黔南州公司;安徽农业大学农学院
关键词：
白云石粉;酸性土壤;化学特性;烤烟;生物量
摘  要：
研究了盆栽条件下贵州省黔南州酸性黄壤(p H=5.45)施用白云石粉对土壤化学特性和烤烟生物量的影响。结果表明:烤烟根际土壤p H低于非根际土壤,烤烟根际土壤交换性铝、锰含量高于非根际土壤,烤烟根际土壤有效磷和速效钾含量远低于非根际土壤。随着白云石粉施用量的增加,酸性土壤p H值呈升高趋势,交换性铝和交换性锰含量呈下降趋势,有效磷和速效钾含量呈增加趋势。酸性土壤适量施用白云石粉能够促进烟株生长,但要控制白云石粉施量,施量过大反而抑制烟株生长,适宜用量为0.66~0.99 g/kg。
译  名：
Effect of Dolomite Powder on Chemical Properties of Acidic Soil and Biomass of Flue-cured Tobacco
作  者：
LUO Hongxiang;LI Yuxiang;GUO Guangdong;ZHOU Ming;JIANG Yuping;LI Zhanghai;WU Dechuan;Tobacco Company of Qiannan Prefecture;Research Center of Tobacco and Health,University of Science and Technology;College of Agronomy,Anhui Agricultural University;
关键词：
dolomite powder;;acidic soil;;chemical property;;flue-cured tobacco;;biomass
摘  要：
Effect of dolomite powder application on chemical properties in rhizosphere zone and fluecured tobacco biomass in acidic soil with pot experiments was studied. The results indicated that: soil p H in rhizosphere zones of flue-cured tobacco was lower than that in non-rhizosphere zones. The contents of exchangeable aluminum( EAl) and exchangeable manganese( EMn) in rhizosphere soils were lower than those in non-rhizosphere zones. The contents of available phosphorus( AP) and available potassium( AK) in rhizosphere soils were far lower than those in non-rhizosphere zones. With increasing the dosage of dolomite powder,the soil p H increased,the contents of soil EAl and EMn decreased,and the contents of soil AP and AK increased. Moderate dosage of dolomite powder could pro-mote tobacco growth. However,excessive dosage of dolomite powder inhibited tobacco growth. In this study,the suitable dosage of dolomite powder was 0. 66 ~ 0. 99 g / kg.

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