Table 3: Combination effects of varieties and nitrogen rate on mean leaf area and leaf area index of maize on farmers’ field around Bako Tibe, western Ethiopia.

VarietiesLeaf area (cm2)Leaf area index
2013201420132014
F-1F-2F-3F-4F-5F-6F-1F-2F-3F-4F-5F-6

BH-540 (50% RR)6524524565828447592058803.482.803.514.503.163.14
BH-540 (100% RR)6502524167067046680095893.472.803.583.763.635.11
BH-543 (50% RR)6746522374576851744465893.602.793.983.653.973.51
BH-543 (100% RR)7272747273476901635577973.883.983.923.683.394.16
BH-661 (50% RR)7314709670616769814571883.903.783.773.614.343.83
BH-661 (100% RR)7661588277097915779464124.093.144.114.224.163.42
BH- 660 (50% RR)8205618174235494719873484.383.303.962.933.843.92
BH-660 (100% RR)7382569080886847659788973.943.034.313.653.524.74
BH-140 (50% RR)7381749660884872676361183.944.003.252.603.613.26
BH-140 (100% RR)7054643478007452690571433.763.434.163.973.683.81
BH-5436026639066554837659443153.213.413.552.583.522.30
LSD (5%)16382096.41881.81768.61275.732070.871.1181.00360.9430.6811.710
CV (%)13.5519.8115.4015.5610.7726.813.619.8115.4015.5610.7726.8

F-1–F6 = farmers’ names (Takele Uluma, Adisu Fufa, Adisu Likessa, Mulatu Shukar, Tesfaye Tsagaye, and Gutu Tolera), NS = nonsignificant difference at 5% probability level; 50% and 100% RR = half and full doses (55 and 110 kg N ha−1) recommended for maize.