反射仪-硝酸根试纸法快捷简便，是蔬菜氮素营养诊断和蔬菜硝酸盐含量监测的理想的现场速测技术。

So the nitrate test-strip-reflectometer method could rapidly monitor the nitrate level of vegetables and soils in the field and market scene.

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反射仪-硝酸根试纸法快捷简便，是蔬菜氮素营养诊断和蔬菜硝酸盐含量监测的理想的现场速测技术。

So the nitrate test-strip-reflectometer method could rapidly monitor the nitrate level of vegetables and soils in the field and market scene.

youdao