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Fertilizer with the Seed (5/11/17)

The restrictions on fertilizer rate that can be relatively safe to apply with the seed are based on a combination of salt and urea injury hazard. Both can reduce seed germination when fertilizer is applied with the seed.

Fertilizer with the Seed

The restrictions on fertilizer rate that can be relatively safe to apply with the seed are based on a combination of salt and urea injury hazard. Both can reduce seed germination when fertilizer is applied with the seed. The table values meant to guide growers are based on pounds N + K2O in the blend. The tables for small grains can be found in circular SF1751 on my website under extension publications. Tables for use in canola and other crops can also be found on my website under the specific crop. The rate is also based in solid-seeded crops on row spacing and the tool that may or may not spread the fertilizer over a band area within the soil at seeding depth. These circulars are free to download and readily accessible to read even with a smart-phone.

My webpage extension publication link is https://www.ndsu.edu/soils/personnel/faculty/dr_david_franzen/extension_publications/

Dave Franzen

NDSU Extension Soil Specialist

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