建议采取选择低硝酸盐积累蔬菜种类、控制后期施氮量等农艺措施来降低硝酸盐在蔬菜体内积累。

It was suggested that proper selection of vegetable species and controlling N supply in late stage could effectively control nitrate accumulation in vegetables.

番茄和黄瓜是我国广泛栽培的蔬菜种类，若受到病害的侵染，则严重影响其产量和质量。

Tomato and cucumber are widely cultivated in China. The yield and quality would be reduced destructively if they were attacked by diseases.

从蔬菜种类来看,叶菜类的合格率普遍较低,2003年为45.5%,2004年为54.2%.

Green leaf vegetable was one containing high nitrate.