The Ontario Phosphorus and Potassium Database

corn field with blue sky in background

Did you know that a review of Ontario phosphorus (P) and potassium (K) fertilizer guidelines was undertaken? The work looked at crop responses to P and K for corn, soybeans, winter wheat and alfalfa from 368 trials conducted over the last several decades. It compared most economic rates to current Ontario fertilizer guidelines as found […]

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AgriSuite Field Management Calculator

AgriSuite is an interactive online collection of management tools and calculators, developed by OMAFRA that you can access from your desktop or mobile device. AgriSuite assists you with key crop fertilization management decisions and how they relate to optimizing crop production and protecting the environment. AgriSuite: The Field Management Calculator helps with nutrient balancing to […]

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AGRISUITE: Introducing PLATO

Phosphorus is an essential element for plant and animal growth and is necessary to maintain profitable crop and livestock production. Balancing your crop’s fertility needs is complex.  Let AgriSuite help you make decisions. The Phosphorus Loss Assessment tool for Ontario (PLATO) is new to AgriSuite.  The PLATO calculator helps determine the risk of field scale […]

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AgriSuite: Organic Amendment Calculator

      Balancing your crop’s fertility needs is complex. Let AgriSuite help you make decisions.  Applying nutrients to economically meet crop needs can be challenging, especially when manure or other organic amendments make up a portion of those nutrients. Since nutrients from organic sources don’t come in pre-determined blends, this calculator takes sample analysis […]

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Phosphorus Loss Assessment using PLATO – AgriSuite’s newest calculator

manure being applied prior to corn planting in 2020

Introducing….to your mobile device or computer, the newest in a series of on-line calculators. The phosphorus loss assessment tool for Ontario, nicknamed PLATO, will help determine the risk of phosphorus (P) loss from nutrient applications at a field scale.PLATO takes both field characteristics, such as erosion risk and soil test level, as well as P […]

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Introducing Soil Test Manager

Have you ever looked up the official Ontario fertilizer or liming recommendations? They’re featured in “look-up” tables in OMAFRA production guides, such as our Agronomy Guide for Field Crops (Publication 811), and provide rates for phosphorus, potassium, magnesium, zinc and manganese, as well as lime, based on soil test values. A new way to access […]

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Same Manure Pile, Different Platform

Introducing….to your mobile device or computer, the first of several on-line AgriSuite calculators that will help with agronomic and environmental land use decisions. The nutrient management software (commonly known as AgriSuite, which includes NMAN and MSTOR) has been available to Ontario Farmers for many years. Although popular, it is perceived to be mainly a regulatory […]

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