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This factsheet for farmers describes concepts, terminology, and guidelines concerning soil sampling. Proper testing allows farmers to apply the correct amount of lime and fertilizer to fields.
Phosphorus (P) is the second most important nutrient in crop production but is often found in relatively low amounts in native soils. Decades of fertilizer application have led to P enrichment of most North Carolina agricultural soils. Excess soil P that leaves agricultural fields via runoff and drainage can cause algal blooms in water resources that lead to impaired drinking water quality and can limit recreational activities. Maintaining adequate soil P levels for crop growth can reduce P runoff, save money, and protect the environment
This publication discusses several causes of soil compaction and provides mitigation recommendations.
