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Table 9 Conversion table for selected crops

From: Land evaluation for crop production in Upper Kabete Campus field, University of Nairobi, Kenya

Crop Suitability class Nutrient availability (n) Workability (k) Erosion susceptibility (e) Use of implements (m)
Coffee S1 1, 2 1, 2 1, 2 1, 2
S2 3 3 3 3, 4
S3 3 4 4 5
N 4 4 5 5
Maize S1 1 1, 2 1, 2 1, 2
S2 2 3, 4 3, 4 3, 4
S3 3 3, 4 4 5
N 4 3, 4 5 5
Beans S1 1 1, 2 1, 2 1, 2
S2 2 3, 4 3, 4 3, 4
S3 3 3, 4 4 5
N 4 3, 4 5 5
Pigeon peas S1 1 1, 2 1, 2 1, 2
S2 2 3, 4 3, 4 3, 4
S3 3 3, 4 4 5
N 4 3, 4 5 5
Potatoes S1 1 1, 2 1, 2 1, 2
S2 2 3, 4 3, 4 3, 4
S3 3 3, 4 4 5
N 4 3, 4 5 5
Onions S1 1 1, 2 1, 2 1, 2
S2 2 3, 4 3, 4 3, 4
S3 3 3, 4 4 5
N 4 3, 4 5 5
Spinach S1 1 1, 2 1, 2 1, 2
S2 2 3, 4 3, 4 3, 4
S3 3 3, 4 4 5
N 4 3, 4 5 5