What is in this article?:
- Soybean Planting Recommendations: Date, Seeding Rate, Relative Maturity
- What about seeding rate?
- What about relative maturity?
What about relative maturity?
Relative maturity has little effect on yield for plantings made during the first three weeks of May. During the first half of June, a four-day delay in planting delays physiological maturity about one day. As planting is delayed, there is concern about whether late maturing varieties will mature before frost. When planting late, we recommend planting the latest-maturing variety that will reach physiological maturity before the first killing frost. Soybean flowering is triggered by day length. As days get shorter (and nights get longer) after June 21, soybeans are triggered to flower which generally occurs around the first week of July. Later maturing soybeans will put on more vegetative growth before flowering. Table 5-4 of the Ohio Agronomy Guide gives relative maturity recommendations based on planting date for northern, central, and southern Ohio.
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