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Humboldt Ag Supply can help you grow. Get in touch to schedule your soil test, set up an account, or explore our products.

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855-707-Farm

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Humboldt Ag Supply

How Modern
Farms Grow

The source for fertilizers and soil management

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A better
way to
fertilize

Humboldt Ag Supply is your partner in soil fertility management — delivering leading sustainability, technology, and efficiency. Together we can produce measurable results year after year without harmful chemicals.

The best growth happens when you have access to the right materials and cutting-edge information. We offer soil and water testing to our farmers and we can develop an amendment program full of fertilizers matched to your needs. And we provide convenience and savings with delivery options and Farmer Direct bulk pricing.

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The right
products for you

What to put in the ground, how much, and when? Humboldt Ag Supply can support all of your soil fertility needs with our comprehensive product offerings — sustainable fertilizers that promote beneficial soil biology.

We work hard to bring you unique, effective, and low-impact materials from high quality producers. And we’re always looking for products that will help you build a solid foundation for healthy crops.

Explore Products
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"Our partnership with Humboldt Ag provides science based solutions to our customers growing needs. " - Sarah Schuette / DBS Analytics

DBS Analytics

We’ve partnered with DBS Analytics to provide clients and farmers with soil testing. We’re empowering clients and farmers with data that helps them make important choices about managing their soil for the best results.

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Make it a
Humboldt day

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On the Ground

Prep your starts early to beat the spring rush. Once your greenhouse is at capacity, identify and implement a pest management strategy that will keep your garden happy and healthy.