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University of Minnesota Extension

Extension is expanding its online education and resources while in-person events and classes are canceled.

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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