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BNC: 7431 COCA: 11742

a chemical that includes nitrogen and oxygen, often used as a fertilizer (= a substance that helps plants grow)硝酸盐;硝酸盐肥料

potassium/sodium nitrate硝酸钾/钠
Nitrogen is converted into nitrates in the soil which plants can then use.氮转化为土壤中的硝酸盐,可被植物吸收。
BNC: 7431 COCA: 11742
BNC: 7431 COCA: 11742
BNC: 7431 COCA: 11742
nitrate
Chemical substances used for a specific purpose: agar, antifreeze, antioxidant...
Soil fertility and fertilization: compost, compost, desertification...

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