湖北省茶园土壤养分状况评价

对湖北省123个典型茶园土壤进行取样和分析测定,结果表明:湖北省茶园土壤潜在酸化严重,土壤pH值在4以下的茶园占49.6%;土壤有机质、碱解氮和速效磷含量丰富;46.6%的茶园土壤速效钾亏缺;27.1%的茶园土壤有效镁含量偏低;微量元素中,土壤有效铁含量适中,有效铜亏缺严重,83.1%的茶园土壤有效铜含量低于1 mg/kg,1/3以上的茶园土壤有效锰和锌含量偏低.改善茶园土壤的酸化状况,加强对钾、镁、铜、锰和锌的施用是提高湖北省茶园茶叶产量和品质的关键.

Evaluation of Tea Plantation Soil Nutrient Status in Hubei Province

One hundred and twenty-three soil samples of typical tea plantation were collected in Hubei Province and soil nutrient status were analyzed and evaluated.The results indicated that soil acidification was severe with 49.6% of the soil pH lower than 4.Soil organic matter,total nitrogen,available nitrogen,total phosphorus,available phosphorus and available calcium were abundant.46.6% of soil potassium was deficient and 27.1% of soil available magnesium was lower.Concentration of soil available iron was moderat...