凤翔区典型人工林土壤养分分析与评价

Analysis and Evaluation of Soil Nutrients of Typical Plantation in Fengxiang District

以凤翔区典型人工林为研究对象,测定林下土壤理化性质,对其养分状况进行了分析与评价,以期为平衡施肥、森林土壤资源的科学管理提供依据。结果表明:林分类型对土壤容重、含水量、pH、有机质、碱解N、速效K含量均有显著影响,对有效P含量没有显著影响。该区域内土壤呈弱碱性或碱性,有机质含量较高,能够满足植物生长所需;整体缺氮肥和磷肥。

Taking the typical plantation in Fengxiang District as the research object,the physical and chemical properties of soil under the forest were determined,its nutrient status was analyzed and evaluated in order to provide theoretical basis for balanced fertilization and scientific management of forest soil resources.The results showed that stand types had significant effects on soil bulk density,water content,pH,organic matter,alkali hydrolyzed N and available K while it had no significant effect on the effective P content.The soil in this area was weakly alkaline or alkaline with high content of organic matter and overall deficiency of nitrogen fertilizer and phosphate fertilizer,which could meet the needs of plant growth.