名词短语
中文翻译：重氮肥施用
同义词：
['heavy nitrogen fertilizer', 'heavy nitrogen treatment']
例句：
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1. The farmer applied the heavy nitrogen fertilizer to the soil to increase crop yield.
农民向土壤中施加重氮肥以增加作物产量。
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2.The heavy nitrogen fertilizer was used to enrich the soil and improve its quality.
使用重氮肥来丰富土壤并提高其质量。
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3. Heavy nitrogen fertilizers are often used in agriculture to promote plant growth.
在农业中，常使用重氮肥以促进植物生长。