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University of Minnesota Extension

Extension is expanding its online education and resources to adapt to COVID-19 restrictions.

Manure land application

Manure characteristics, timing, application methods, sampling and nutrient analysis and application rates. Also, estimating manure value and preventing nitrogen loss.

Manure application basics

Manure characteristics

  • How to determine nutrient content based on animal species, diet, housing, bedding, manure storage and water dilution

  • Information about nutrient availability in manure, especially nitrogen, phosphorus and potassium

Application methods and nitrogen loss

  • A guide to making manure applications while mitigating nitrogen loss

  • Information about nitrogen loss based on broadcast vs. broadcast with incorporation

  • A look at different injection application methods: knife injection, sweep injection and disk or coulter injection


  • Information on manure application timing and its impact on nutrients

  • Pros and cons of application per season

Manure sampling and nutrient analysis

  • Why analyze manure?

  • Information on manure uniformity

  • How to sample manure for nutrient analysis

  • Sampling methods for liquid or semi-solid manure

  • Understanding manure analysis output

Manure application rate guidelines

  • Information on nitrogen and phosphorus guidelines for manure for various crops
  • How the guidelines are determined

Calculating manure application rates

  • A step-by-step guide to calculating manure application rates for nitrogen and phosphorus


What’s manure worth?

  • Manure can supply nutrients for crops, which offsets the need to buy commercial fertilizers

  • Here’s a look into how we calculate the value of manure

Manure value calculator

  • Use this calculator to find the value of manure on your farm

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