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Pest Exclusion Systems for Pest Management in Vegetable Production Across the Southeast

In organic vegetable production, and in situations where farmers are seeking to reduce chemical applications, Integrated Pest Management (IPM) strategies are recommended to exclude pests in both opens fields and in high tunnels. The principles of pest exclusion involve separating the insect pest from the host plant and protecting the crop at a specific growth stage. Careful planning of both materials selected and management design are important to keeping pests out of a cash crop. This bulletin provides data and information from on-farm demonstrations on the use of pest exclusion systems. Pest exclusion systems use shade cloths as a barrier around high tunnels, low tunnels and hoop houses to exclude insect pests.

Common Ground Newsletter & Podcast

Common Ground, our Newsletter & Podcast is sent via email monthly. The newsletter includes grant announcements, listings of funded projects, success stories, SARE resources and more. Sustainable agriculture stories from the Southern USA, about farmers, ranchers, NGOs, community groups and those who support them as well as innovative practices from around the 13 southeastern United […]

Organic Control of White Mold in High Tunnels

The fungus Sclerotinia sclerotiorum infects many of the cool-season crops produced in Kentucky. This SARE-funded video presents information on the high tunnel production system most commonly used in Kentucky; the disease cycle of S. sclerotiorum; and two control tactics compatible with national organic standards, solarization and biofumigation.

Integrating Legumes with Grass to Improve Forage-Livestock Systems

In a Southern SARE-funded Research and Education Grant (LS14-261), "Long-term Agroecosystems Research and Adoption in the Texas Southern High Plains -- Phase III," Texas Tech University researchers conducted a steer grazing trial comparing a grass only system to a grass-legume system for animal productivity and water use efficiency.

The Performance of Cover Crops in Minimally Tilled Forage-based Grazing Systems

In a Southern SARE-funded Graduate Student Grant (GS15-152), “Evaluation of Winter Annual Cover Crops Under Multiple Residue Management: Impacts on land management, soil water depletion, and cash crop productivity,” Texas Tech University researchers investigated five cover crops species as potential complements to a warm-season beef-stocker grazing system. The impact of the project was two-fold: Stabilize the soil surface from excessive wind erosion and desiccation; and strengthen rural communities by ensuring the persistence of profitable agriculture in the region.

Innovations in Large-Scale Trap Cropping for Reducing Insect Pests

Trap cropping is a unique pest prevention system that uses insect behavior to deter pest feeding. Benefits of trap cropping not only include effective pest management, but trap crops can also increase biodiversity, conserve natural enemies and reduce wind damage to main crops.

Cover Crop Establishment and Residue Management

Benefits associated with cover crops that may include erosion control, increased organic matter, increased water infiltration, and weed suppression are all typically enhanced as biomass levels increase. In order to ensure adequate levels of biomass, growers should recognize the importance of cover crop establishment.

Cover Crops and Soil Biology: What Do We Know?

Investigating soil biology is a wild, unpredictable zoological ride. From the smallest organisms on Earth (viruses) to earthworms, cover crop selection and management is affected by and influences soil biology in ways we cannot completely predict.

Evaluating Nutrient, Soil Health, and Economic Benefits of Compost Additions to Summer Cover Crops for Strawberries in North Carolina

Over the past 8 years, a team of multidisciplinary faculty and students at NC State University have conducted various field-based studies at the Center for Environmental Farming Systems (CEFS) and on-farm research examining the impact of summer cover crops, compost additions and applications of beneficial arbuscular mycorrhizal fungi and vermicompost on soil health, nutrient availability, and yields in conventional and organic strawberry production systems.

Equipment Demonstration and Conservation Systems Overview

Conservation tillage combined with high residue cover crops (Conservation Systems) can maximize residue production and minimize residue decomposition to promote the increase in organic matter across degraded soils of the Southeast, despite climatic conditions.

Perennial Grass Cover Crops Can Optimize Wine Grape Growth

Vineyard cover crops or ‘living mulch’ consists of either sown or native vegetation, grown in vineyard row middles and/or inclusive of the area under the vine trellis (Fig. 1). Although cover crops can increase pest pressure (arthropods and voles) and vineyard management costs, benefits of cover crops include: erosion and weed control, reduction of herbicide use and mitigation of excessive vine vigor.

Soil Management Using Cover Crops in Organically Managed High Tunnels

In southern climates, high tunnels are typically used for season extension in the spring, fall, and winter. In the hot summer months, if no shade cloth is used to cover high tunnels, it can be difficult to grow anything but the most heat tolerant crops, and it can be uncomfortable to work in tunnels due to the heat. This is an excellent time to incorporate a cover crop, between the late spring and early fall crops. Many cover crops species are adapted to hot southern summers and perform well in high tunnels.

Economics of Cover Crops II (Part 2): Benefits of Cover Crops and No-Till Vegetable Production in North Alabama

While the benefits of cover crops are similar regardless of cash crop, there are a number of benefits that are particularly important to vegetable producers. The main benefits of cover crops in vegetable production include increased organic matter; additional N through the use of legumes; suppressing disease, nematodes, and weeds; reducing soil erosion; providing habitat for beneficial insects; and improving soil tilth.

Nitrogen Release from Cover Crops

Nutrient management is a timely agricultural topic that boils down to determining the right rate, source, timing, and placement of nutrients. Cover crops can greatly influence nitrogen management either by providing available nitrogen for cash crops or by immobilizing nitrogen and creating the need for greater nitrogen fertilizer for cash crops.

Introducing Annuals in Grazed Pastures

Annual cover crops provide ecosystem benefits to perennial-based pasture systems by introducing quality forage at opportune times of the year, creating a more diverse farm habitat, and providing opportunities to renovate overused or underutilized areas of the farm.

Grazing Cover Crops in Cropland

For some producers with extensive experience using cover crops, grazing can be a ‘next step’ in obtaining additional economic value while achieving environmental stewardship.

Soil Biology: Cover Crops and Disease Suppression

Cover crops provide several benefits to soil health such as improving soil structure, reducing the need for synthetic chemicals by decreasing weed biomass, increasing soil organic matter, contributing nutrients to the soil, retaining soil moisture, and decreasing soil erosion. In addition, the integration of cover crops into crop production often leads to soils that are suppressive to plant diseases (i.e. have less potential for disease development).