Response of Soybean (Glycine max L. (Merrill)) to Bradyrhizobium Inoculation, Lime, and Phosphorus Applications at Bako, Western Ethiopia
Table 5
Partial budget analysis of the effects of Bradyrhizobium strains, phosphorus, and lime rates on soybean.
Inoculation
P2O5 (kg ha−1)
Lime (t ha−1)
Yield (kg ha−1)
Adjusted yield (kg ha−1)
Gross return (Birr ha−1)
TCV (Birr ha−1)
Net benefit (Birr ha−1)
MRR (%)
-I
0
0
2081
1872.9
14983.2
0
14983.2
0
-I
0
3.12
2314
2082.6
16660.8
370
16290.8
471
TAL379
0
0
2200
1980
15840
195
15645
563
TAL379
0
3.12
2678
2410.2
19281.6
565
18716.6
738
Legumefix
0
0
2167
1950.3
15602.4
195
15407.4
D
Legumefix
0
3.12
2609
2348.1
18784.8
565
18219.8
D
-I
23
0
2524
2271.6
18172.8
967
17205.8
D
-I
23
3.12
3195
2875.5
23004
1337
21667
532
TAL379
23
0
3075
2767.5
22140
1162
20978
553
TAL379
23
3.12
3903
3512.7
28101.6
1532
26569.6
784.7
Legumefix
23
0
3068
3512.7
22089.6
1162
20927.6
D
Legumefix
23
3.12
3576
3218.4
25747.2
1532
24215.2
D
-I
46
0
2950
2833.2
21240
1864
19376
D
-I
46
3.12
3799
3419.1
27352.8
2234
25118.8
D
TAL379
46
0
3627
3264.3
26114.4
2059
24055.4
D
TAL379
46
3.12
3808
3004.2
27417.6
2429
24988.6
D
Legumefix
46
0
3338
3427.2
24033.6
2059
21974.6
D
Legumefix
46
3.12
3990
3591
28728
2429
26299
D
-I
69
0
3396
3056.4
24451.2
2761
21690.2
D
-I, 69, 3.12
69
3.12
3591
3231.9
25855.2
3131
22724.2
D
TAL379
69
0
3618
3256.2
26049.6
2956
23093.6
D
TAL379
69
3.12
3712
3312
26726.4
3326
23400.4
D
Legumefix
69
0
3680
3312
26496
2956
23540
D
Legumefix
69
3.12
3614
3252.6
26020.8
3326
22694.8
D
-I = without inoculation; 39 Birr = cost of TSP/kg; 100 kg of soybean = 800 Birr; one sachets of inoculant = 40 Birr; TCV = total costs that vary; MRR = marginal rate of return; D = dominated.
