盘州主要烟区土壤肥力特征分析  

Analysis on Soil Fertility Characteristics of Main Tobacco Planting Areas in Panzhou

作　　者：赵东 张铮 吴伟 周开油 尚关兴 杨华 赵培富 ZHAO Dong;ZHANG Zheng;WU Wei(Panzhou Branch of Liupanshui Tobacco Company,Panzhou,Guizhou 553537)

机构地区：[1]六盘水市烟草公司盘州分公司,贵州盘州553537

出　　处：《安徽农业科学》2024年第3期154-157,206,共5页Journal of Anhui Agricultural Sciences

基　　金：六盘水市烟草公司科研基金“盘州高海拔烟区烟叶烘烤技术优化与应用”。

摘　　要：为准确了解盘州市主要烤烟种植区土壤养分现状,在8个常年种烟乡镇采集171个土壤样品,从pH、有机质、碱解氮、速效磷、速效钾、水溶性氯和CEC 7个方面进行分析。结果表明,土壤pH总体达适宜水平;土壤有机质含量较高,平均为(37.95±8.79)g/kg(CV为23.16%),总体处于丰富水平(30~50 g/kg);碱解氮含量总体过高,平均为(192.69±38.35)mg/kg(CV为19.90%),91.23%达到很丰水平(>150 mg/kg);速效磷含量总体处于适中至丰富范围,平均为(24.82±20.46)mg/kg(CV为86.28%),竹海镇、民主镇速效磷含量较高,鸡场坪镇、普田乡、丹霞镇含量偏低;速效钾含量总体处于丰富范围,平均值为(297.66±139.07)mg/kg(CV为46.72%),大于220 mg/kg的样本占比达70.17%;氯含量总体偏少,平均为(19.16±19.63)mg/kg(CV为102.45%),丹霞镇(6.51 mg/kg)、民主镇(11.64 mg/kg)、新民镇(10.95 mg/kg)、保田镇(10.98 mg/kg)宜增施氯肥,鸡场坪镇、大山镇水溶性氯含量偏高,平均为47.63、34.55 mg/kg;土壤CEC以10~20 cmol/kg为主,土壤肥力适宜烤烟种植。In order to accurately understand the status quo of soil nutrients in the main flue-cured tobacco planting areas in Panzhou City,171 soil samples were collected from 8 perennial tobacco growing villages and towns,and analyzed from 7 aspects,including pH,organic matter,alkali hydrolyzable nitrogen,available phosphorus,available potassium,water-soluble chlorine and CEC.The results showed that soil pH reached the optimum level.The average content of soil organic matter was(37.95±8.79)g/kg(CV 23.16%),and the content was generally in the rich level(30-50 g/kg).The average content of alkali-hydrolyzed nitrogen was(192.69±38.35)mg/kg(CV 19.90%),and 91.23%reached the very high level(>150 mg/kg).The available phosphorus content was generally in the range of moderate to abundant,with an average of(24.82±20.46)mg/kg(CV=86.28%).The available phosphorus content in Zhuhai Town and Minzhu Town was higher,while that in Jichangping Town,Putian Township and Danxia Town was lower.The average available potassium content was(297.66±139.07)mg/kg(CV 46.72%),and 70.17%of the samples were more than 220 mg/kg.The chlorine content was generally low,with an average of(19.16±19.63)mg/kg(CV 102.45%).That was advisable to increase the application of chlorine fertilizer in Danxia Town(6.51 mg/kg),Minzhu Town(11.64 mg/kg),Xinmin Town(10.95 mg/kg)and Baotian Town(10.98 mg/kg).The water-soluble chlorine content in Jichang Ping Town and Dashan Town was higher,with an average of 47.63 and 34.55 mg/kg.The soil CEC was mainly from 10 to 20 cmol/kg,and soil fertility was suitable for flue-cured tobacco cultivation.

关 键 词：土壤肥力 特征 盘州主要烟区 

分 类 号：S158.3[农业科学—土壤学]