Genotypic Variability in Some Morpho-Physiological Traits in Different Environments and Their Relationship with Cassava (Manihot esculenta Crantz) Root Yield
Table 3
Soil physical and chemical characteristics at the study sites in 2013 and 2014.
Soil parameters
Environments
Fumesua
Irrigated
Nonirrigated
2013
2014
2013
2014
2013
2014
pH
5.75
4.58
4.67
4.30
4.65
4.71
%N
0.08
0.09
0.06
0.03
0.06
0.03
P (mg/kg)
3.37
4.16
2.04
2.74
2.77
2.55
K (mg/kg)
108.83
79.50
62.33
39.33
61.17
41.00
%OC
1.59
1.13
0.60
0.39
0.48
0.38
Ca (cmol/kg)
163.50
298.70
99.00
270.80
102.00
267.00
Mg (cmol/kg)
95.00
110.72
50.50
68.46
44.00
72.71
CEC (cmol/kg)
12.81
12.81
8.25
5.82
7.69
6.53
Texture
Loamy sand
Loamy sand
Sandy loam
Silty loam
Sandy loam
Silty loam
%N = percentage nitrogen (%), P = phosphorus (mg kg−1), K = potassium (mg kg−1), %OC = organic carbon (%), Ca = calcium (cmol kg−1), Mg = magnesium (cmol kg−1), and CEC = cation exchange capacity (cmol kg−1).
