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Soil Fertility

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Yield Impact of Seed-placed Nitrogen Fertilization of Wheat

ESN was the only slow release N fertilizer that showed no negative impact when applied with seeds, even at 90 lbs N.
Urea treated with nitrogen stabilizer after five days on soil surface
Photo Credit:
Jasper Teboh

Considerations for Use of Enhanced Efficiency Nitrogen Fertilizers

Many formulations of urea fertilizers or chemicals to treat urea are on the market today. Only a few are effective at protecting the fertilizer from quickly losing N.
Learn More About Soil Fertility

Site-specific Farming: Developing Zone Soil Sampling Maps

This circular, although originally published in 2008 is still relevant and useful as is. Although almost half of the ND farmers utilize some site-specific technology, the other half would also benefit from its use.

Site-specific Farming: Economics and the Environment

Site-specific farming technologies can result in economic gain for farmers if used correctly, and can also decrease impact from the environment from off-sight movement of fertilizers to groundwater and surface waters.

Site-specific Farming: What is Site-specific Farming?

This circular, although originally published in 2008 is still relevant and useful as its. Although almost half of ND farmers utilize some site-specific technology, the other half would also benefit from its use.

Soil Fertility Considerations for Buckwheat in North Dakota

Buckwheat is grown every year in North Dakota and is an important specialty crop grown for grain in conventional and organic farming systems. It's ability to cycle phosphorus from slowly available to more available forms is referred to in…

Soil Fertility Recommendations for Corn

These recommendations are updated to include new potassium recommendations based on recent research.

Soil Fertility Recommendations for Field Pea, Lentil and Chickpea in North Dakota

This publication provides the latest recommendations of fertilization for field pea, lentil and chickpea according to the most recent research data.

Soil Sampling as a Basis for Fertilizer Application

This publication outlines and explains reasons for soil sampling and methods to produce best results.

Soil Testing Unproductive Areas

This publication explains the soil health issues that turn productive areas into unproductive, how to correctly sample and test affected areas and interpret the soil results.

Soybean response to prior year application of phosphorus

A study to examine soybean response to phosphorus preplant applied the prior year for corn plus soybean versus each year of corn and soybean production.

Soybean Soil Fertility

All of NDSU soil fertility recommendations now have no yield-based formulas. The soybean fertility recommendations were modified to be in line with these new guidelines.
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