Effects of Organic Nutrient Sources and NPS Fertilizer on the Agronomic and Economic Performance of Haricot Bean (Phaseolus vulgaris L.) in Southern Ethiopia
Table 5
Profitability as affected by NPS and OF fertilizer rates.
OF (tha−1)
NPS (kg·ha−1)
GY (tha−1)
Adj.GY (tha−1)
GB (ETB)
TVC (ETB)
Net benefit (ETB)
MRR (%)
0
0
1.01
0.91
7272
0.0
7272.0
—
0
50
2.08
1.87
14976
757.5
14218.5
917.0
0
100
3.1
2.79
22320
1515.0
20805.0
869.5
0
150
3.73
3.36
26856
2272.5
24583.5
498.8
2.5
0
2.32
2.09
16704
500.0
16204.0
—
2.5
50
3.18
2.86
22896
1257.5
21638.5
717.4
2.5
100
3.81
3.43
27432
2015.0
25417.0
498.8
2.5
150
4.16
3.74
29952
2772.5
27179.5
232.7
5
0
3.17
2.85
22824
1000.0
21824.0
—
5
50
3.27
2.94
23544
1757.5
21786.5
D
5
100
3.43
3.09
24696
2515.0
22181.0
52.1
5
150
3.93
3.54
28296
3272.5
25023.5
375.2
Unit cost of NPS = 15.15 ETB/Kg, application cost of organic fertilizer = 20 ETB/Qt = 200 ETB/ton, MRR (%) = marginal rate of return, D = dominant OF = organic fertilizer, GY = grain yield, Adj.GY = adjusted grain yield, GB = gross benefit, TVC = total variable cost.
