Table 2: Mean comparisons of crop responses as influenced by crop row/dripline spacing and corn variety.

Tested Factor Husked cob Length
(cm)
Husked cob Diameter (cm) Husked cob
Weight
(g)
Dry Matter Yield
(t ha-1)
Husked cob Yield
(t ha-1)
IWUEdm
(kg m-3)
IWUEhc
(kg m-3)
Crop row/ dripline spacing
    S-75 (1:1)   18.8 a   4.8 a   251.0 a   8.28 a 14.31 a 1.14 a 1.97 a
    S-150 (1:2)   17.5 b   4.8 a   209.6 b   8.09 a 11.95 b 1.11 a 1.65 b
    TS-150 (1:2)   18.7 a   4.9 a   247.2 a   8.95 a 14.09 a 1.23 a 1.94 a
LSD0.05  0.8  0.2  19.2  0.95  1.09  0.13  0.15
Variety
    Var. 1   18.3 a   4.9 a   227.6 b   8.31 a 12.97 b 1.15 a 1.79 b
    Var. 2   18.4 a   4.8 a   244.3 a   8.56 a 13.93 a 1.18 a 1.92 a
LSD0.05  0.7  0.2  15.7  0.77  0.89  0.11  0.12

In each column and each tested factor, means followed by different letters are significantly different according to LSD test at 5% level.
IWUEdm = irrigation water use efficiency for dry matter, and IWUEhc = irrigation water use efficiency for husked cob yield.