Integrating inorganic NP application and Bradyrhizobium inoculation to minimize production cost of peanut (Arachis hypogea L.) in eastern Ethiopia

Table 3 Effect of nitrogen, phosphorus and Bradyrhizobium application on nodulation, total pegs weight and total biomass yield of peanut at Babile and Fedis experimental sites

Treatment	Nodule number		Nodule dry weight		Total pegs weight		Total biomass yield
Treatment	Babile	Fedis	Babile	Fedis	Babile	Fedis	Babile	Fedis
Nitrogen (kg N/ha)
0	102.4b	67.0a	0.1825a	0.1788a	1759.5a	3013.7a	6583.3ab	7406.5b
20	119.0ab	67.8a	0.1723a	0.1655a	1682.7a	3078.6a	6937.0a	7444.7b
40	133.6a	47.5b	0.2115a	0.1078b	1567.0a	3137.9a	6151.9b	9237.0a
LSD (P < 0.05)	22.0	12.0	0.0472	0.0232	246.85	228.0	555.3	684.57
P value	**	***	ns	***	ns	ns	**	***
Phosphorus (kg P₂O⁵/ha)
0	92.39c	59.50a	0.1323c	0.1219b	1608.7ab	3140.73a	6333.3a	7613.0a
30	116.56b	58.89a	0.1848b	0.1633a	1565.1b	3194.63a	6503.7a	8287.5a
60	146.17a	63.94a	0.2493a	0.1669a	1835.4a	2894.81a	688.2a	8187.6a
LSD (P < 0.05)	22.06	11.96	0.0472	0.0232	246.85	228.03	555.34	684.57
P value	***	ns	***	***	*	**	ns	*
Bradyrhizobium inoculation
Inoculated	119.6a	65.30a	0.2029a	0.1593a	1576.6b	3116.4a	6527.2a	8095.8a
Uninoculated	117.2a	56.26b	0.1747a	0.1421b	1762.9a	3077.1a	6587.7a	7963.0a
LSD (P < 0.05)	14.94	8.10	0.032	0.0157	167.24	154.48	376.3	463.78
P value	ns	*	ns	*	*	ns	ns	ns
Mean	118.4	60.8	0.1888	0.1507	1669.7	3076.7	6557.4	8029.4
CV (%)	22.87	24.15	30.67	18.92	18.15	9.10	10.39	10.46

Means in the same column followed by the same letter are not significantly different at the 5% probability level by Tukey’s test
ns nonsignificant, NN nodule number per plant, NDW nodule dry weight (g/plant), TPW total pegs weight (kg/ha), TBY total biomass yield (kg/ha)
* Significant at 0.05; ** significant at 0.01; *** significant at 0.001

ISSN: 2048-7010