江北农场土壤养分状况分析与评价  

Analysis and Assessment of Soil Nutritional Status in Jiangbei Farm

作　　者：刘新伟[1] 龚德平 高超[3] 张晓丽[3] 娄希风[1] 韩玲君[1] 杨德桦[1] 赵竹青[1] 

机构地区：[1]华中农业大学资源与环境学院,武汉430070 [2]江北农场土壤肥料工作站,湖北荆州420291 [3]中国农业大学资源与环境学院,北京100091

出　　处：《湖北农业科学》2012年第1期21-23,共3页Hubei Agricultural Sciences

基　　金：国家"十一五"科技支撑计划重点项目(2008BADA4B08);国家测土配方施肥项目

摘　　要：为了摸清湖北省江北农场土壤肥力状况,为测土配方施肥提供合理依据,对江北农场土壤养分情况进行了调查。对评价土壤耕层的10项重要肥力指标进行了测定,分析了土壤养分的实际情况。结果表明,江北农场土壤pH平均值为8.20,有机质平均含量为20.31 g/kg,碱解氮平均含量为84.65 mg/kg,速效磷平均含量为10.03 mg/kg,速效钾平均含量为96.00 mg/kg,有效铁平均含量为23.92 mg/kg,有效铜平均含量为2.83 mg/kg,有效锌平均含量为0.500 mg/kg,有效硼平均含量为0.300 mg/kg,有效硫平均为24.01 mg/kg。土壤呈微碱性;有机质、速效磷处于中低等水平;碱解氮、有效锌、硼、硫含量缺乏;速效钾、有效铁含量较为丰富;有效铜含量丰富。In order to find out the soil fertility and provide reasonable basis for formula fertilization,soil nutrient situation of Jiangbei farm in Hubei province was investigated.Ten important fertility index of the top layer soil were determined and soil nutrient actual conditions were analysised.Results were as follows,the average content of pH,organic matter,available nitrogen,phosphorus,potassium,iron,copper,zinc,boron and sulphur were 8.20,20.31 g/kg,84.65 mg/kg,10.03 mg/kg,96.00 mg/kg,23.92 mg/kg,2.83 mg/kg,0.500 mg/kg,0.300 mg/kg,24.01 mg/kg,respectively.The pH was slight alkalinity.The content of organic matter and available phosphorus was a little low;the available constituents of nitrogen,zinc,boron and sulphur were poor in soil nutrient;the available potassium,iron were at a medium-high level;the content of available copper was rich.

关 键 词：江北农场 养分状况 肥力评价 分级 

分 类 号：S723.12[农业科学—林木遗传育种]