Soybean Growth and Development & Management Information for Replant Decisions

Variety and Alternate Crop Choices for Replanting

Table 6 shows the recommended public varieties for various maturity areas and planting periods in Minnesota. The map of Minnesota shown as Figure 7 shows these maturity zone boundaries. Following these recommendations should ensure a harvestable grain of good yield and quality. Note that as planting is delayed, earlier varieties are recommended. This table can help you in selecting varieties for late planting following an early crop of peas or for replanting following a natural hazard such as hail or flood damage or replanting after poor emergence due to drought or poor quality seed. Some of these events may happen so late into the growing season that replanting soybeans may not be economical, so you might have to switch to another crop. See Figure 8 for information on planting date guidelines for some of these alternate crops.

Crop maturity zones in MN

Figure 7. Crop maturity zones in Minnesota (based on climatological data) (adapted from Minnesota Relative Maturity Ratings of Corn Hybrids , Agronomy Fact Sheet #27, R.H. Peterson and D.R. Hicks).

Table 6. Public soybean variety recommendations for various
planting periods and maturity zones in Minnesota.
Planting Period Northern North Central Central South Central Southern
Variety 1
Until Mid-May McCall, Agassiz Agassiz, Ozzie Ozzie, Lambert Lambert, Parker Parker, Sturdy
Until Early June McCall Agassiz, Ozzie Ozzie, Lambert Lambert, Parker Parker, Sturdy
Until Mid-June — McCall, Agassiz Agassiz, Ozzie Ozzie, Lambert Lambert, Parker
Until Early July — — McCall, Agassiz McCall, Ozzie Agassiz, Lambert
1 First mentioned variety is earlier maturing choice.

Normal and risk ranges of planting dates for various crops in MN

Figure 8. Normal and risk ranges of planting dates for various crops
in northern and southern areas of Minnesota.

Table of Contents | Soybean Growth and Development
Management Information for Replant Decisions | Determining the Yield Potential of Remaining Plants
Determining Yield Loss Due to Replanting | Variety and Alternative Crop Choices for Replanting
Weed Management Decisions | Soybean Bibliography
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