Soybean plant density plots were the first effort undertaken in the Farm Journal Test Plots program. Since then, the program has also studied corn row spacing to better understand how to take ...

Field size and row spacing are also requested ... “While we developed the calculator for soybean, it works for corn or small-grain seed as well.” ...

The optimum plant population does not change if corn is planted by mid-May. The optimum plant population is not affected by row width. Optimum plant populations are not affected by relative maturity ...

Plant the corn seeds in mounds, spacing them about 12 inches apart. Each mound should have four to five seeds. Plant the corn ...