STARTER FERTILIZER STUDY 2X2X2

2021 Iowa Soybean STARTER FERTILIZER STUDY 2X2X2

  • Iowa

The purpose of this study is to compare different starter fertilizer products, applied 2x2x2, and their impact on yield and profitability.

 

2021 RESULTS 

 

OBSERVATION 

Applying UAN nitrogen (N) 2x2x2 splits the N and moves the negative effects of the salts away from the seed. This is the reason we may be seeing a new way to address nitrogen in a soybean program.

 

N (%) TISSUE TEST RESULTS @ V4

 

STUDY INFORMATION 

Planted 4/26/2021 | Harvested 9/28/2021 | Population 130,000 Seeds/A. | Row Width 30 in. | Previous Crop Corn | Tillage Fall: No-Till, Spring: No-Till | Herbicides Pre: 6 oz. Zidua® PRO, 1 qt. Roundup PowerMAX® Post: 18 oz. Outlook®, 1 qt. Roundup PowerMAX®, 1 qt. Liberty® , 12 oz. Clethodim | Insecticides Escalate® | Nemasect® | SDS+ | ILeVO® + TWO. O® | Brand 3510E3 | Soil Type Tuskeego (Silt Loam) | Soil Test Values pH 6.8, O.M. % 5.2, CEC 17.4 | Percent Base Saturation Ca 70.6, Mg 24, K 2.4, H 3 | Parts Per Million P 45, K 162, S 7, Zn 5, Mn 44, B 0.5

 

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