Resources

Commercial applicator category Christmas Trees (C2) is a subcategory of Forest Pest Control (C). This subcategory is for use with the maintenance…

The cabbage looper (Trichoplusia ni) is a North American native found throughout the U.S., Canada, and Mexico. It attacks all plants of the cabbage…

The cabbage maggot, Delia radicum, is one of the most destructive early season pests of crucifers and certain root crops in New Hampshire. It can…

Your soil test results tell you to apply a certain amount of fertilizer per 1,000 square feet and you’re confused about what to do next. How large is…

To get all of these calculators in a mobile format, click here. Sometimes mixing water-soluble fertilizer can be tricky.​ The fertilizer label…

To get all of these calculators in a mobile format, click here. Sometimes calculating injector ratios, electrical conductivity (EC), and ppm N…

Guidance to optimize dairy cow feeding, comfort and proper development of the rumen during the first year of life.

In this video, Extension field specialist, Margaret Hagen will describe how to calibrate a fertilizer spreader. See below for a full video transcript…

The spring cankerworm (Paleacrita vernata) and the fall cankerworm (Alsophila pometaria) are native pests to the deciduous forest, shade, and…

Carpenter ants (Camponotus spp.), along with termites, are the most troublesome structural pest in New Hampshire. Four species live in the state,…

Several celery samples from high tunnel production with leaf curl have been identified by the UNH Plant Diagnostic Lab; this disease causes…

Leaf spot is one of the important fungal diseases on cherry trees in the United States. The disease mainly affects the leaves; the pathogen will…

In this video, John Grandy demonstrates and compares two different styles of backpack sprayers, a large internally mounted piston pump vs a small…

The large sluggish flies known as cluster or “attic" flies (Pollenia rudis and relatives) often invade New Hampshire homes in fall and turn into…

Once thought of as the most destructive insect pest on apples, this European native now exists wherever apples are grown in the U.S. Since the…

The Colorado Potato Beetle (CPB) preferred the potato to its host weed and has spread to become a serious pest throughout the US and Eastern Canada.…

In this video, John Grandy discusses the importance of nozzle design and choosing the right nozzle for the job. Most backpack sprayers come with a…

A number of sawfly species are important defoliating pests of ornamental trees in New Hampshire. The damage is done by the larvae which are…

This 2002 publication by Annette Lorraine is a guide to conservation easements for farmers and agricultural professionals, landowners and…

A one-of-a-kind, comprehensive 6-part video series covering the intricacies of greenhouse or high tunnel construction. Developed by the University of…