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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

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

Treatment Nodule number Nodule dry weight Total pegs weight Total biomass yield
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
  1. Means in the same column followed by the same letter are not significantly different at the 5% probability level by Tukey’s test
  2. 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)
  3. * Significant at 0.05; ** significant at 0.01; *** significant at 0.001