Our Research

UNH Researchers Complete First Assessment of State’s Bee Population
Sandra Rehan
Researchers with the NH Agricultural Experiment Station have completed the first assessment of the state’s native bee population, providing wildlife experts with the first comprehensive list of the Granite State’s more than 100 native bees that includes nearly 20 bee species that had not been previously documented in the state.

Seeds of Success: New Cantaloupe, Pumpkin, and Acorn Squash Seeds Developed at UNH Now Available
Brent Loy
Gardeners preparing to plant their fruits and vegetables will have a number of new cantaloupes, pumpkins, and acorn squash to choose from that were developed at the NH Agricultural Experiment Station by a researcher who represents the longest continuous squash and pumpkin breeding program in North America.

UNH Research Finds Growing Peppers in High Tunnels Could Be Profitable for NH Farmers
Becky Sideman, Kaitlyn Orde and Talia Levy
New Hampshire farmers looking to grow colored bell peppers in high tunnels will be pleased to learn that researchers have found many varieties produced excellent, high-quality fruit in a research trial conducted at the experiment station’s Woodman Horticultural Research Farm.

Halting Spring Showers: UNH Scientists Investigate How Droughts Impact Northern Forests
Heidi Asbjornsen and Cameron McIntire
Researchers have launched a multi-year research project to investigate how droughts may impact Northern forests, which play a critical role in protecting and regulating water resources.

UNH Research on Growing Spinach in Winter Going Strong
Becky Sideman, Kaitlyn Orde and Connor Eaton
New Hampshire growers interested in adding spinach to their winter crop production soon will have additional information to help them select which varieties to grow and when to plant, thanks to a research project underway at the NH Agricultural Experiment Station’s Woodman Horticultural Research Farm.

UNH Researchers Conduct First Comprehensive Study of NH Oyster Farming
Ray Grizzle
UNH scientists have conducted the first study of oyster farming-nitrogen dynamics in New Hampshire, providing the first solid research on the state’s oyster farming industry and the role oyster farms play with nitrogen removal. The research contributes to a growing body of research on how oysters affect the nitrogen content of estuaries such as Great Bay.
Lactation, Weather Found to Predict Colostrum Quality in Dairy Cows
Pete Erickson
The quality of colostrum – the nutrient-rich milk newborn dairy calves first drink from their mothers – can be predicted by the mother’s previous lactation performance and weather, according to new research from the NH Agricultural Experiment Station at the University of New Hampshire.
Lasers in the Woods Help UNH Researchers See the Forest and the Trees
Mark Ducey
For hundreds of years, foresters have taken to the woods with tape measures in hand to assess tree inventories. Now this labor-intensive process is getting some high-tech help from University of New Hampshire researchers who are looking at how laser imaging can be used to assist today’s foresters and landowners.

UNH Researchers Invent Low-Cost Method to Monitor Lakes for Airborne Toxins
Jim Haney and Amanda Murby
Researchers with the NH Agricultural Experiment Station at the University of New Hampshire have invented a low-cost method to monitor lakes for dangerous airborne toxins that have been linked to liver problems.

UNH Researchers Aim to Get Upper Hand in the Glossy Buckthorn Battle
Tom Lee and Steve Eisenhaure
UNH researchers have planted an orchard of the fast-growing shrub at UNH’s Kingman Farm to determine the life history characteristics of invasive glossy buckthorn under controlled conditions, free from competition with other plants, and free from variation in other environmental factors such as soil or micro-climate.
UNH Melon Research Produces Higher Yields
Brent Loy and Janel Martin
Researchers at the University of New Hampshire have found that grafting melons onto the rootstocks of hybrid squash substantially increases the production of melons, a potential source of increased revenue for New England farmers.
UNH Scientist Develops New Cherry Tomato
Becky Sideman
A University of New Hampshire scientist has developed a new cherry tomato designed to be grown in hanging baskets in greenhouses. Rambling Rose provides a new attractive pink fruit color not yet available in cherry tomatoes suitable for hanging basket production.
Granite Staters Will Pay More for Local Produce
John Halstead
Granite Staters are willing to pay more for locally grown fruits and vegetables, according to preliminary findings of new research funded by the NH Agricultural Experiment Station at the University of New Hampshire. This is the first study of New Hampshire consumer preferences for locally grown, fresh produce, which is a growing area of the state’s agriculture industry.
UNH Conducts First Study on Growing Brussels Sprouts in Northern New England
Becky Sideman
Different Varieties Perform Much Better Than Others, and Topping Has Potential to Increase Marketable Yields
kiwis Yes, You Can Grow (Hardy) Kiwis in New England

Iago Hale
UNH research aims to add high-value crop to regional market.

beetle Smokey Winged Beetle Bandit Enlisted in NH’s Emerald Ash Borer Fight

Donald Chandler and Morgan Dube
UNH researchers investigate wasp’s ability to monitor invasive beetle in Granite State.

Bobcat w/ cub Bobcat in the Backyard: NH Wildcat Responds to Detrimental Effects of Roads

John Litvaitis and Marian Litvaitis
Bobcats may be turning to hunting squirrels and wild turkeys in residential backyards to avoid high-traffic roads.

tomato UNH Tomato Research Investigates Performance of New Cultivars in Region

Nick Warren, Becky Sideman, and Rich Smith
With new tomato cultivars coming out every season, NHAES scientists recently conducted a three-year experiment to see how new tomato cultivars stacked up against each other after being grown in a high tunnel.

blue spotted Songs of Spring Underscore Importance of Vernal Pools

Kim Babbitt and Jessica Veysey Powell
NHAES researchers have been studying vernal pools for more than 20 years. The latest researchinvestigates whether forested buffers are an effective tool for protecting vernal pool-dependent amphibian species.

root experiment Plant Root Research Aims to Boost Local Nursery Production

Cathy Neal
NHAES-funded research aims to reduce nursery costs and losses by providing more comprehensive information on which container-grown shrubs can be left outside during winter, which shrubs need to be covered, and which shrubs should be placed in a heated enclosure.

Gale Carey Flame Retardants Found to Cause Metabolic, Liver Problems

Gale Carey
Chemicals used as synthetic flame retardants that are found in common household items such as couches, carpet padding, and electronics have been found to cause metabolic and liver problems that can lead to insulin resistance, which is a major cause of obesity.

low tunnel art Scientists Successfully Grow Onions Overwintered in Low Tunnels

Becky Sideman
In response to high demand for year-round local produce, researchers report they have successfully grown bulbing onions planted in fall for a spring harvest with the aid of inexpensive low tunnels.

Lou Tisa USDA Grant Supports Research on How Plants Recognize Friends and Foes

Lou Tisa
Researchers have received a near $400,000 grant from the USDA to investigate the chemical processes that allow certain plants and bacteria to signal each other that they are friends, not foes, and thus work together in an ecologically mutual partnership.

Richard Smith and Vicky UNH and Strafford County Conservation District Team Up to Test Cover Crops

Richard Smith
NHAES scientists have teamed up with the Strafford County Conservation District to test different combinations of cover crops, which farmers use for a number of reasons, including improving soil fertility and productivity, reducing erosion, and controlling pests.

cow in a field UNH Survey: Milk Prices Top Concern of Northeastern Organic Dairy Farmers

David Townson, Lisa Townson, André Brito, André Pereira|
Northeastern organic dairy farms say their top concern is receiving steady, fair prices for their milk from milk processors, according to a new survey that is the first to assess the research and educational needs of organic dairy farmers in the region.

strawberries NHAES Researchers Leaders in Breeding Better Strawberries

Tom Davis|NHAES scientists have been instrumental in helping breed better strawberries using genetics to determine which strawberries have the best combinations of qualities.

rabbit Researchers Work to Save Endangered New England Cottontail

Adrienne Kovach
NHAES scientists are working to restore New Hampshire and Maine’s only native rabbit after new research based on genetic monitoring has found that in the last decade, cottontail populations in northern New England have become more isolated and seen a 50 percent contraction of their range.

paraphlepsius irroratus NHAES Researchers ID State’s Nearly 600 Leafhoppers

Don Chandler
New Hampshire farmers have a new source to help them identify the “bad” leafhoppers from the “good” leafhoppers. For the first time, New Hampshire’s nearly 600 leafhoppers have been identified and cataloged by researchers with the NH Agricultural Experiment Station.

acid rain New England Lakes Recovering Rapidly From Acid Rain

William McDowell
Researchers found that sulfate concentration in rain and snow declined by more than 40 percent in the 2000s, and sulfate concentration in lakes declined at a greater rate from 2002 to 2010 than during the 1980s or 1990s.

Bee Hive NHAES Scientists Conducting First Assessment of New Hampshire's Bees

Sandra Rehan
The research project “Sustainable Solutions to Problems Affecting Bee Health” will assess for the first time the Granite State’s bee species. Researchers hope the study will help local bee populations, and restore and rejuvenate healthy plant pollinator habitats.

bobcat NHAES Scientists Using DNA Analysis to Assess Abundance of NH’s Bobcats

Marian Litvaitis, John Litvaitis, Rory Carroll
Decades ago, bobcats were commonplace across the Granite State, but their numbers dwindled to near extinction because of land use changes and hunting. Since 1989, they have been protected, and NHAES scientists are using DNA analysis to assess the abundance and range of the state’s bobcat population.

truck in field Health Issues, Relationship Changes Trigger Economic Spirals for Low-Income Rural Families

Elizabeth Dolan
When it comes to the factors that can send low-income rural families into a downward spiral, health issues and relationship changes appear to be major trigger events.