Research Article

Agronomic Response of Corn (Zea mays L.) Hybrids to Plant Populations

Table 3

Corn ear height of the three hybrids with various plant populations over the two years.

Plant population (1000 plants·ha−1)DK 67–14DK 67–72DK 68–26
cm

43.694.7 bc82.2 c85.7 c
53.593.4 c83.4 c89.1 bc
64.9100.2 a86.1 bc88.2 bc
75.297.4 ab89.8 ab89.5 b
85.998.2 ab94.1 a90.3 b
94.997.5 ab92.9 a90.9 b
107.2100.7 a92.4 a90.9 b
117.798.7 a94.1 a94.7 a

Means followed by the same letter in each column are not significantly different at the 0.05 level of significance. Data were pooled across years.