|
|
- Info
Table 1.4-8B. Estimated grain yields for various planting dates and population rates
Table 1.4-8B. Estimated grain yields for various planting dates and population rates. Figures shown are most applicable to corn fields with yields greater than 175 bushels per acre.
| Planting date |
Plants/A at harvest |
| 10,000 |
15,000 |
20,000 |
25,000 |
30,000 |
35,500 |
40,000 |
| Optimum yield (percent) |
| Source: University of Illinois |
| April 1 |
54 |
68 |
78 |
88 |
95 |
99 |
99 |
| April 10 |
57 |
70 |
81 |
91 |
97 |
100 |
100 |
| April 20 |
58 |
71 |
81 |
91 |
97 |
100 |
99 |
| April 30 |
58 |
70 |
80 |
89 |
95 |
97 |
96 |
| May 9 |
55 |
68 |
77 |
86 |
91 |
93 |
91 |
| May 19 |
50 |
63 |
72 |
80 |
85 |
86 |
84 |
| May 29 |
44 |
56 |
65 |
73 |
77 |
78 |
75 |
| June 8 |
35 |
47 |
56 |
63 |
67 |
67 |
64 |
|
