Tianren Corn Head Suppliers

Some agronomists say that to reach the next level of yield potential, plant populations will need to increase. Increasing plant populations above 38,000 plants per acre in a 30” row places plants so close together in the row that they compete for nutrients and sunlight. This competition actually reduces the potential for grain yield. By planting in narrower rows, the distance between plants in the row increases, which provides more equal amounts of nutrients and sunlight to each plant.

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Results vary by climate zone, soil type, growing conditions, and plant population. However, studies by Dr. Bob Nelson, Purdue, suggest yield may not increase drastically, just 2.7% on average in central U.S. corn belt states. Some 15” growers have claimed as much as a 12% increase.

The question remains, “What is right for my operation?” The answer quite often is tied to what equipment is currently owned and what would have to be purchased to make a transition to narrow rows. Of course, the first consideration is the planter. Is it limited to 30” rows or could it be modified? If not, what is the cost of a planter configured for narrower rows? Have a “splitter” planter? If so, you can simply add corn seed meters to every other row unit and plant corn on 15” rows.