Corn germination and emergence are optimal when soil temperatures are approximately 85-90 F. But to maximize yield, many farmers have to risk planting in cooler April weather.
During the heat of planting, one thing that often can be forgotten is thoroughly checking and understanding two items: 1. What seed depth am I planting at? and 2. Is my seeding depth consistent, especially across all of my individual row units?
Planting corn shallower than 1.5 inches deep can cause uneven emergence due to lack of soil moisture or lead to early-season root lodging or, says University of Missouri agronomist, Gregory Luce.
Some 4% of corn crops were reported silking, in line with the 4% reported silking in the same week last year. The 5-year average for corn silking in the week was 6%.
According to the report, 91% of soybeans have emerged, above the 86% reported emerged in the same week last year. The 5-year average for soybean emergence in this week was 85%.
According to the latest Crop Progress report from USDA, some 96% of corn was reported emerged, above both the 94% emerged last year and the 90% emerged in the week prior. The 5-year average emergence rate for this week was 91%.
Some 81% of corn was reported emerged, above both the 76% emerged last year and the 64% emerged in the week prior. The 5-year average emergence rate for this week was 70%.
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