Built for performance from the start. At TriEst Ag Group, we offer Tri-Hishtil grafted watermelon plants designed to deliver stronger root systems, improved disease resistance, and the potential for higher yields, supporting long-term success in the field.

Tri-Hishtil brings together three pioneers in the agricultural industry from around the world; TriEst Ag Group, Inc. in the USA; Israel-based Hishtil, and Italian-owned and operated SIS/Centro SEIA.

Support crop performance with Metalosate Liquid Foliars.

Designed for efficient nutrient uptake, Metalosate products help address deficiencies, promote plant health, and support consistent growth throughout the season.

Strong crops start beneath the soil.

A well-planned soil fumigation program can help manage soil-borne pathogens, supporting a healthier start for crops and contributing to more productive acres over time.

At TriEst Ag Group, pre-plant soil fumigation is part of a practical approach to building stronger soils and supporting long-term success.

TriEst Ag Group specializes in soil fumigation, irrigation, crop nutrition, equipment, grafted plants, polytunnels, substrate, and associated growing systems for growers in the Mid-South, Georgia, Florida, Mid-Atlantic, Mid-West, and Northeast Regions.

Drip irrigation under plasticulture provides precise, efficient water delivery directly to the root zone. This supports uniform growth, improved nutrient management through fertigation, and reduced water loss from evaporation.

TriEst Ag Group designs irrigation solutions that help maximize yield potential while protecting water resources.

Trical Group's design teams work with our outside sales staff and the grower to develop efficient and cost-effective irrigation designs that meet the grower's goals and industry uniformity standards. They also will work together to troubleshoot or upgrade existing irrigation systems. Our design team prepares:

• Comprehensive plans and specifications.
• Design details.
• Irrigation scheduling recommendations.
• Material specifications and cost estimates.

Liberty Acres Fertilizer liquid fertilizers deliver efficient, consistent nutrition to help crops reach their full potential. When combined with custom fertility programs, each plan is built around your soil, crop, and production goals to support reliable performance in the field.

Liberty Acres Fertilizer offers custom-formulated liquid fertilizer blends that can be used as a side-dress and be bare-ground applied or knifed-in.

Enhance your plants' growth by focusing on soil health. TriEst soil treatments boost soil vitality by suppressing soil-borne diseases and encouraging the development of beneficial native organisms.

TriCal Group works closely in collaboration with universities and researchers to protect our food supply and health. The chemicals we use are registered in varying chemical formulations for maximum performance, safety, and environmental health. All have been listed as exempt under EPA residue tolerance, meaning no resulting residue in or on food grown after soil treatment with these chemistries.

Reliable water filtration is essential to maintaining an efficient irrigation system. High-quality filters protect emitters, valves, and pipelines from clogging caused by debris, organic matter, and sediment—helping ensure uniform water distribution and consistent crop performance. At TriEst Ag Group, we provide filtration solutions designed for long-term reliability and easy maintenance, supporting cleaner systems, reduced downtime, and improved irrigation efficiency.

Last week, March 10–12, 2026, TriEst Ag Group was proud to be represented at the Irrigation Association Advocacy Summit in Washington, DC.

Erwin Newell attended with the IA Advocacy Group in his role as IA Board Director, engaging with policymakers to ensure the voices of irrigation professionals are heard. Advocacy is essential to advancing policies that support innovation, water use efficiency, workforce development, and the long-term growth of our industry.

We are proud to support efforts that strengthen irrigation and the growers who depend on it.

Metalosate's amino acid chelates provide the advantage of penetrating a leaf’s cuticle quickly so minerals can reach growing points effectively. This makes Metalosate a great foliar nutrition product for most crops

Liberty Acres Fertilizer offers custom-formulated liquid fertilizer blends that can be used as a side-dress and be bare-ground applied or knifed-in.

Healthy soil is the starting point for strong, productive sweetpotato crops. Thoughtful soil health management helps protect yield potential and crop quality season after season. Through tailored soil treatment programs, growers can manage soil-borne diseases and support a balanced soil environment where sweetpotatoes can thrive.

TriEst Ag Group partners with growers to deliver practical soil health and soil treatment solutions for improved sweetpotato production.