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Assessment
What is the primary function of organic matter in soil?
Improving soil structure
Increasing soil salinity
Attracting pests
Decreasing water retention
Which nutrient is most commonly associated with promoting root growth?
Nitrogen
Phosphorus
Potassium
Calcium
What is soil compaction likely to affect the most?
Soil erosion rates
Water infiltration and root growth
Soil color
Microbial activity in the atmosphere
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