N Cascade

Front

What is the Haber Bosch Process?

Back

A method for synthesizing ammonia from nitrogen and hydrogen, crucial for fertilizer production.

Front

What percentage of the global population relies on fertilizers from the Haber Bosch process?

Back

Approximately 40%.

Front

What is reactive nitrogen (Nr)?

Back

Forms of nitrogen that are biologically available and can contribute to environmental issues.

Front

What are the main sources of reactive nitrogen in the environment?

Back

Agricultural fertilizers, fossil fuel combustion, and industrial processes.

Front

How does nitrogen saturation occur in forest ecosystems?

Back

When the input of reactive nitrogen exceeds the ecosystem's ability to retain it, leading to leaching and pollution.

Front

What is the significance of nitrogen in agriculture?

Back

Nitrogen is a key nutrient that promotes plant growth and is essential for crop yields.

Front

What type of forests are more susceptible to nitrogen saturation?

Back

Evergreen forests near point sources of reactive nitrogen.

Front

What is the role of legumes in nitrogen cycling?

Back

Legumes can fix atmospheric nitrogen, enriching the soil and benefiting subsequent crops.

Front

What percentage of indigenous nitrogen supply is available to crops in a given year?

Back

About 5%.

Front

Which food type contributes the most nitrogen to the human diet?

Back

Grain.