Phosphorus Fertilizer

Truck spreader applying manure to field
Because fertility needs differ among crops, a good starting point is figuring out what nutrients are needed, and then choosing a manure application rate to meet those needs.

Choosing a Manure Application Rate

April 23, 2024
Nebraska Extension shares recommendations on determining a manure application rate that will meet agronomic crop needs while accounting for excess soil nutrients or building soil fertility.

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Researcher kneels in field to gather sample

2024 Soils School to Feature Fundamentals of Soils and Nutrient Management

November 29, 2023
During the two-day school in February, leading experts from the University of Nebraska will present research-based recommendations of primary crop nutrients, including nitrogen, phosphorus and potassium.

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4Rs Field Day tent
Nitrogen management with sensor-based fertigation is one of many topics that will be discussed by experts from the University of Nebraska-Lincoln and Iowa State University during the 2023 4Rs Nutrient Stewardship Field Day.

Nebraska 4Rs Nutrient Stewardship Field Day Set for July 6

April 27, 2023
This year’s 4Rs Field Day will focus on up-to-date research information and demonstrations on all three major crop nutrients: nitrogen, phosphorus and potassium.

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Feedyard in aerial view
Figure 1. Animal Feeding Operation near Lubbock, Texas.

Manure Phosphorus and Water Quality

April 1, 2021
For producers who seek to decrease their dependency on commercial fertilizers, this article reviews proper management of nutrient content of manure, while highlighting phosphorus issues and solutions.

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Price adjustment graph for N in corn

Nutrient Management Suggestions for Corn Updated in EC117

July 9, 2019
The Nebraska Extension Circular, Nutrient Management Suggestions for Corn (EC117), has been updated to account for residual soil nitrate-N and provide an alternative for determining fertilizer-P rates.

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Chart of grain yield (averages for 15 site-years) with five P application practices.

Fertilizer P for Corn: Update of Research Findings and Revised Recommendations

January 9, 2019
Results of research conducted since 2000 to address fertilizer phosphorus (P) for corn will be reviewed. The current fertilizer P recommendations for corn will be discussed and revised recommendations presented at the 2019 Crop Production Clinics.

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What’s New with P Fertilizer Use?

April 5, 2018
Studies conducted at three sites over six years with varying levels of phosphorus (P) applications indicate when a P application may be profitable.

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