Although there is an increasing trend (D1 content > D2 content > D3 content > T content) among the other distances, there are no statistically significant differences.
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Soil Organic Matter and Nutrient Levels in Outdoor Runs in Organic Laying Farms.
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Particularly, the pH showed a decreasing trend in values as one moves away from the poultry house (D1 pH > D2 pH > D3 pH); however, T was like D1.