Filtering by tag: nitrogen

Two uprooted peanut plants placed side by side on a metal surface, showing differences in pod development and root structure for comparison.

Nitrogen Deficient Peanuts Peanut Notes No. 198 2025

This past week I visited a field with pale green peanuts and some that were deeper green. The pale peanuts had some nodules. In some cases around 10. The greener peanuts had many more. The peanuts…

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Oat Residue and Nitrogen Availability Peanut Notes No. 119 2025

Question:We noticed yellowing of peanuts when oats were incorporated in conventionally tilled research plots. The yellowing looks typical of nitrogen or sulfur deficiency. I checked and the yellow…

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Nodulation and Applied Nitrogen Peanut Notes No. 110 2025

Earlier today I had a question about peanuts with a light green cast and whether one should consider a nitrogen application. My recommendation is that when peanuts are 45 days old (45 days after…

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Nitrogen at Planting Peanut Notes No. 46

Question:Would 100 pounds per acre of ammonium sulphate put out before bedding peanut land help anything? I heard a farmer up this way tried it last year and thought it helped. I don’t know of any…

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Fungicide Selection and Nitrogen Peanut Notes No. 176 2024

Question: Good morning, I have many growers that are going to be making second fungicide applications this week. We have had from 5 to 12 inches of rainfall in the past two weeks. Most growers either…

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Reminder of Importance of Inoculation for Nitrogen Fixation Peanut Notes No. 3 2023

I recently had a discussion with a distribution representative about inoculating peanuts. Last year there were some issues with inoculation of peanuts. In new ground fields (without a recent history…

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Nitrogen Sources Peanut Notes No. 156 2022

Question:I have a grower that called in a question. He is concerned with costs, and he has peanuts that are between 60 and 70 days old. A recommendation has been made to apply ammonium sulfate at a…

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Inoculant Issue and Nitrogen Peanut Notes No. 153 2022

Question:I recently received a complaint about yellow peanuts from a farmer. I have attached a picture of one of their fields. There is a field that is more yellow than this, but their other fields…

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Nitrogen Application on Hail-Damaged Peanuts Peanut Notes No. 106

Question:Hail-damaged peanuts are smaller than other peanuts in the area. Would 200-300 pounds of ammonium sulfate help?Jordan answer:I don’t think this will help because the issue is not N fixation.…

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Nitrogen Application on Yellow Peanuts Peanut Notes No. 105 2019

Question 1:Peanuts are looking a little yellow, I assume from the excess rain. Are they going to grow out of it, or do I need to apply some N? Can I get by with some foliar N or do I need to go with…