Filtering by tag: Field Crops ✕

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Status of Soil Fertility in North America, Central Asia, and Eastern Asia

On October 22, 2025, Commission 3.3 (Soil Fertility and Plant Nutrition) of the International Union of Soil Sciences, chaired by Fernando Garcia (Argentina) and Luke Gatiboni (United States),…

Soil with scattered white and blue fertilizer pellets and a dried plant stub

Average Soil Fertility Status of Row-Crop Fields in NC

We collected 400 soil samples from representative row-crop fields across North Carolina. Samples were collected in two depts (0-4 and 4-8 inches) and we looked at fields under conventional tillage…

Man explaining fertilizer research to students in a field; overlaid text: "optimal rate of fertilizers"

How the Fertilizer Recommendations Are Updated

This is a short clip of a field day with students where Luke explains how the fertilizer recommendations are updated in North Carolina.

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Low Soil Temperature and Nutrient Uptake

Are you seeing corn fields with early-season symptoms of nutrient deficiency? Check out Luke Gatiboni talking about the effect of low soil temperature on nutrient uptake.

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Does High-Yielding Soybean Require More P and K Fertilizers in North Carolina Fields?

In early August we did a presentation at the Blackland Farm Managers Tour. We discussed our findings about P and K fertilization for high-yielding soybean in North Carolina. you can read the article…

Man standing between tall corn rows in a field, gesturing with hands

Starter P Fertilizers for Corn in North Carolina

In , Luke Gatiboni, the extension soil fertility specialist at the Department of Crop and Soil Sciences, gives a brief update about his trials studying the efficiency of starter P fertilizers for…

Soil with scattered white and blue fertilizer pellets and a dried plant stub

Can the Russia / Ukraine Conflict Increase the Already Very High Prices of Fertilizers?

The Russia / Ukraine conflict is an ongoing story and it is too early to clearly predict the consequences of the war to the fertilizers market. While we don’t have a clear vision on this, here are…

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The How Much N Does a Corn Crop Really Need?

The How Much N Does a Corn Crop Really Need?Forsyth, Stokes, Surry, YadkinTim Hambrick, Ag Ext AgentNovember 15, 2021Nitrogen is a critical nutrient for corn yield, nobody debates that. And, there is…

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An NC Soil Fertility Trial Started in 1966 and It is Still Active

Can you imagine how much work is needed to conduct a field trial for 54 years? Watch this video for a brief description of this effort.

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2021 Soil Fertility Training

We are very excited to announce we will have a Soil Fertility Training for extension agents on 04 Feb/2021, 10:00 a.m. – 12:00 p.m. The format will be four presentations, each with 20 minutes of…