Liquid Nitrogen to Green Up Peanuts Peanut Notes No. 130 2025
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Collapse ▲Question:
I have a grower who wants to try and green up some peanuts by adding 30 %N to a spray tank of Butyrac and Select. His idea is to add 15 gallons of 30 % in a 410 gallon tank along with the herbicides and spray late evening or early morning. If this is ok should he add oil for the Select? These were in areas stayed wet. He would apply 20 gallons of solution per acre.
What are your thoughts?
Jordan:
I would not spray any liquid nitrogen on peanuts, especially under these conditions. With the wet cloudy conditions we had, and likely rapid growth now, I suspect peanuts are going to be pale green. I think that is a natural look for peanuts and cotton during this window of the growth cycle. The big thing peanuts have needed is sunshine. Under wet conditions, N fixing bacteria was likely behind providing some of the N needs. I just don’t think liquid N on leaves will help. I certainly would not apply N with Select and crop oil under these hot conditions. Select and crop oil is fine without the N.
In my experience historically, about the time low spots dry up enough to drive through peanuts begin to green up. Nodules just need time to get going in a drier soil.
Follow Up:
That was my thought. He indicated some growers had sprayed 30%. I’ve not been aware. So in your estimate, the risk of foliage burn would be fairly high with this combination.
Jordan:
It would be for me. In part because I don’t think there will be an upside in response. If I really wanted to get some N out there, I would apply a modest amount of granular AMS. But I still think the peanuts are going to green up on their own.