Ammonium sulfate (a fertilizer) is also added.

它添加了硫酸铵(化肥)。

youdao

Phosphorus is filtered out and stored for use as a fertilizer.

磷被过滤并贮存起来做为肥料。

youdao

Choose a fertilizer that contains nitrogen, phosphorus, and potassium.

选择含有氮，磷和钾的肥料。

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Researchers compared the use of fertilizer in three areas that grow maize as a major grain: China,Kenya and the United States.

VOA: special.2009.07.28

University of Virginia professor Jim Galloway calls synthetic nitrogen fertilizer a "wonderful invention" because it increased food production.

VOA: special.2011.04.05

"When the feces is sanitized, all the pathogens are inactivated and killed, it is a valuable fertilizer.

VOA: special.2010.03.15

All this from a single 108, 000-barrel-a-day teakettle in Coffeyville, Kans. (pop. 11, 000) and a fertilizer plant nearby.

FORBES: Slick

Some firefighters at the scene of a fertilizer plant explosion in Texas were concerned Wednesday night about anhydrous ammonia.

CNN: Explosion hits fertilizer plant north of Waco, Texas

They bought a fertilizer business a couple of years ago that didn't tie with any of their existing businesses.

FORBES: India