How to Kill Nematodes and Increase Yields.


See a list of controlled Nematodes and Pathogens here.


Plant Parasitic Nematodes are a problem many farmers face. Not only do they harm crops, they can also spread soil-borne diseases.

Promax® is an organic soil and plant treatment that kills parasitic nematodes while also acting as a curative and preventive agent.

Growers can apply Promax® anytime throughout the growing season without fear of harming the roots or plants.

The technology behind Promax® prevents organisms in the soil from developing a resistance, maintaining effectiveness over time.


Learn more how Promax® can help increase your yield. Call for your free consultation and let’s eliminate your parasitic nematodes problem today! 1(800) 961-1220

Zero Residue 

Many chemicals leave a harmful residue that can stay with the plants and products long after application. This residue can linger on produce and can in turn be ingested by humans. Promax® leaves zero residue and is so safe it can be applied up to the day of harvest and still be safe. 

Zero Re-entry Interval

Most chemical products have a re-entry interval that can span days and, in some cases, weeks. Promax® has a zero re-entry time frame, meaning that you can spray and walk without delay. It is so safe that Promax® can be applied anytime throughout the growing season without harming the plants or roots.

Zero Buffer Zone

Many nematode control products on the market cannot be applied near schools or houses. Promax® has a zero buffer zone and can be applied anywhere without restrictions. This allows growers to use Promax® freely, which saves time and resources.

Customer Results:
“There was good emergence of the crop following the Promax® application. This product was easy to apply and I experienced tremendous results. I look forward to using the product again next season!” –Green Chile Farmer, New Mexico
“This is the second year we have been using Promax® as a substitute for Telone C-17, mainly looking for pink root suppression. With Promax® we are able to apply around houses, schools, and anywhere Telone is restricted. The results are very consistent (with Promax®) showing equal or better growth as well as equal disease suppression.” — Rudy Allen, CPAg/CCA, Ag Tech Services, LLC

Case Study:

A 70 acre field of onions in Arizona was showing signs of stress due to nematodes. With Vydate® in short supply and the grower being newly introduced to Huma Gro Promax®, the two products were combined. The PROMAX®/Vydate® mix was applied in hours 22 and 23. Rate: Promax® at 1 gallon per acre, Vydate® at 50% rate. Result: Grower saw a significant crop response by day 5. 

Field #2: December 30, 2015. A 75 acre field of onions. After seeing the results in the 70 acre field of onions, the farmer decided to apply only Promax® to the second field. The rate of application was 100% Huma Gro Promax® 1 gallon Promax® per acre. The products were applied through solid set sprinkler irrigation on a 24-hour set of irrigation. The same application method as was used on the 70-acre field. 

Results: Grower called at day 4 and said his plants are vibrant and green. 

Promax® has been proven effective in controlling:


• Burrowing Rodopholus 

• Root knot Meloidogyne incognita 

• Spiral Helicotylenchus 

• Lesion Pratylenchus 

• Lance Hoplolaimus galeatus 

• Ring Criconemella xenoplax 

• Cyst Heterodera glycines 

• Reniform Rotylenchus robustus 

• Stunt Tylenchorhynchus 

• Sting Belonolaimus


• Club Root Plasmodiophora brassicae 

• Black Rot Xanthomonas campestris 

• Anthracnose Fruit Rot Colletotrichum sp

• Charcoal Rot Macrophomina sp. 

• Crown Rot Fusarium sp. 

• Damping Off Fusarium sp., Phytophthora sp., Pythium sp., Rhizoctonia sp. 

• Grey Mold Botrytis sp. 

• Root Rot Fusarium sp., Cylindrocarpon destructans, Pythium sp., Rhizoctonia sp. 

• Stem rot Phytophtora sp., Sclerotium sp. 

• Verticillium Wilt Verticillium sp. 

• Stem Rot Sclerotium rolfsii 

• White Rot Sclerotium cepivorum

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