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Table 3 Comparison of the harvest samples of spring barley cultivars from the border and midsection of each unit in two seasons

From: Construction of a large-scale semi-field facility to study genotypic differences in deep root growth and resources acquisition

  Grain yield TKW Protein N grain
Mg ha−1 g % kg N ha−1
Border Mid Border Mid Border Mid Border Mid
2016 6.03 (0.05) 5.56 (0.05) 52.0 (0.14) 51.0 (0.14) 7.9 (0.06) 8.10 (0.07) 74.9 (2.1) 70.6 (1.72)
Position P < 0.0001   P < 0.0001   P = 0.044   P = 0.0029  
Cultivar P < 0.0001   P < 0.0001   P < 0.0001   P < 0.0001  
Position × cultivar ns; P = 0.32   ns; P = 0.98   ns, P = 0.40   ns; P = 0.26  
2017 7.22 (0.07) 6.98 (0.08) 53.6 (0.33) 52.6 (0.42) 9.30 (0.08) 9.60 (0.09) 107.5 (1.77) 107.3 (2.09)
Position P = 0.0081   P = 0.0034   P = 0.0044   ns, P = 0.95  
Cultivar P < 0.0001   P < 0.0001   P < 0.0001   P < 0.0001  
Position × cultivar ns; P = 0.43   ns; P = 0.89   ns; P = 0.12   ns; P = 0.50  
  1. Estimated means, standard error (in brackets) and P values from the corresponding two-way ANOVA output, (n(2016) = 4 × 59; n(2017) = 8 × 79). Grain yield, thousand kernel weight (TKW), protein content (Protein %) and estimated grain nitrogen removal (N grain)