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Spring Soil Preparation: Getting Your Fields Ready

Planting Guide · February 2025 · 5 min read

Getting your fields ready for spring planting is a process that starts with soil testing and ends with a firm, even seedbed. Rushing into fields before conditions are right can cause compaction and clods that haunt you all season. Patience and good timing are just as important as the equipment you use.

Start with a Soil Test

If you have not tested recently, pull soil samples early in spring before applying any fertilizer. A current soil test tells you exactly what nutrients are needed and prevents both over- and under-application.

Sample to a depth of 6 to 8 inches, pulling 15 or more cores per field and mixing them into a composite sample. Send samples to a certified lab and request recommendations based on your intended crop and realistic yield goal.

Tillage Timing and Field Conditions

The biggest mistake in spring fieldwork is working soil that is too wet. Grab a handful of soil and squeeze it. If it forms a sticky ball or ribbon, it is too wet to till. If it crumbles easily, conditions are right.

• Make the fewest passes possible to achieve an adequate seedbed
• Avoid deep tillage in spring, which brings up cold, wet soil and delays warming
• Vertical tillage tools are effective for light residue sizing without inverting soil

Fertilizer Application and Seedbed Finishing

Apply fertilizer based on soil test recommendations and incorporate it with a light tillage pass or apply in the planting furrow. Broadcast applications of phosphorus and potassium should be incorporated into the top 4 to 6 inches where roots can access them.

The ideal seedbed for most row crops is firm below with a fine, moist surface layer about 2 inches deep. Avoid over-working the soil into a powder, which crusts easily after rain and blocks emergence. One or two passes with a field cultivator or finishing tool is usually sufficient.