Therefore, it is feasible to decrease nitrate level of some leafy vegetables that are grown on those soils high in nitrate by applying more phosphorus fertilizer.
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- 为此,在一些硝酸盐含量较高的土壤上栽培蔬菜时,可以采取增施适量磷肥的方法,以降低叶菜的硝酸盐含量。