[Research advances in soil nitrogen cycling models and their simulation]

Area of Science:

• Environmental Science
• Soil Science
• Agricultural Science

Background:

• Nitrogen is an essential plant nutrient.
• Nitrogen compounds from agriculture contribute significantly to environmental pollution.
• Accurate simulation of soil nitrogen cycling is a key research focus.

Purpose of the Study:

• To review primary soil nitrogen cycling processes.
• To introduce existing nitrogen cycling models and simulation processes.
• To discuss model parameterization for improved accuracy.

Main Methods:

• Literature review of soil nitrogen cycling processes.
• Introduction of 13 distinct nitrogen cycling models.
• Overview of 6 simulated nitrogen cycling processes.
• Discussion on model parameterization strategies.

Main Results:

• A comprehensive overview of soil nitrogen cycling.
• Identification and introduction of various nitrogen cycling models.
• Exploration of simulation methodologies for nitrogen cycling.
• Insights into the challenges and approaches for model parameterization.

Conclusions:

• Understanding soil nitrogen cycling is vital for mitigating agricultural pollution.
• A variety of models exist for simulating nitrogen cycling processes.
• Effective parameterization is key to accurate model performance.
• Further research on model refinement is necessary for environmental protection.