The content soil available N, P and K and soil bulk density of vineyard in Dough and kaleyard in Beichen were analyzed in order to enhance crop yield and quality.

• 摘要为了提高作物的产量和品质，做到配方施肥，采集了天津市东丽地区葡萄园和北辰区菜园土壤样本，测定了土壤速效氮、速效磷、速效钾的含量以及土壤容重。