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Chemical and Biological Technologies in Agriculture
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Table 4 Rating for nutrient availability
From:
Land evaluation for crop production in Upper Kabete Campus field, University of Nairobi, Kenya
Rating
Soil reaction (pH)
CEC
1
5.6–7.3
≥ 24
2
5.1–5.5
16–24
3
4.5–5.0
10–15
4
< 4.5
< 10
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