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New Prairie Nutrient Removal Calculator features updated data

A new online tool is available for farmers focusing on the nutrient requirements of key crops grown in Western Canada.

University of Saskatchewan scientists Dr Fran Walley and Dr Rich Farrell worked with a team across the prairies to collect data focusing on the nutrient uptake and removal for commonly grown crops.

Walley says we know how valuable nutrient removal guidelines are, but the most recent guidelines available were from 2001.

"A lot has changed in the last few decade, different crops, genetics, management strategies and crop rotations, and so we set about to revise the existing guidelines to ensure the information was more relevant and reflective for today."

Farrell says the updated data is part of the new Prairie Nutrient Removal Calculator.

"If you want to keep from depleting the nutrients in your soil,  or even to maybe build some nutrients in your soil it's a good idea to know how much is coming off. This in conjunction with soil testing can give you an idea of how much to add back to the soil so that you can produce the crop."

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Spider Mite Control with Predatory Mites (Neoseiulus californicus)

Video: Spider Mite Control with Predatory Mites (Neoseiulus californicus)

The predatory mite Neoseiulus californicus is an effective natural enemy of various species of spider mites, including the two-spotted spider mite (Tetranychus urticae). As a key player in biological pest control, this predator helps growers protect their crops sustainably.

How does Neoseiulus californicus work?

•Specializes in targeting the larval and nymphal stages of spider mites.

•Also consumes spider mite eggs, ensuring population control.

•Detects prey through webbing and leaf damage rather than sight.

•Feeds by sucking out the contents of its prey.

Why use Neoseiulus californicus for spider mite control?

•Highly adaptable to different environments, including warm and dry conditions.

•Works as both a preventive and curative solution for spider mite infestations.

•Complements other predatory mites, such as Phytoseiulus persimilis, for integrated pest management (IPM).

•A natural, sustainable alternative to chemical pesticides.