Hydroponic experiments were carried out to study the nitrate accumulation of 43 Chinese cabbage genotypes under the nutrient solution of different NO3(superscript -)/NH4(superscript +) ratio.

• 摘要采用溶液培养方法研究了43种基因型小白菜在不同硝铵比条件下体内硝酸盐含量的变化情况。