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Western Ky. | Last year we placed 9-23-30 in a 2x2 configuration using old style Case-IH fertilizer openers. This was the first time we had used the fertilizer openers on this planter. We are long term notillers, and most of our soil is quite mellow. As long as we kept our speed under 4.5 MPH we were quite pleased with with the job the fertilizer openers did. We did set the spring load tensioners to max. tension.
IMHO if the soil fertility is where it should be any yield gain from 2x2 fertilizer placement versus broadcast is going to be negligible. | |
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True 2x2 or 3x3 planter mounted fertilizer openers
