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Sunflower fertilizer recommendations

Sunflower will respond to fertilization. Nitrogen, phosphate, and potash are important. The tables that follow list appropriate recommendations.



Phosphate, potash and other nutrients


CAUTION! Do not apply more than 10 lb N + K2O per acre in contact with the seed. Do not place ammonium thiosulfate (12-0-0-26) in direct contact with the seed. Do not place fertilizers containing boron in direct contact with the seed.

Daniel E. Kaiser, Extension nutrient management specialist

Reviewed in 2018

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