USDA Certified OrganicCertified by Nature’s International Certification Services

Darla Whiting-Assman

Name: Darla Whiting-Assman
Address: 28636 283rd Avenue, Mission, SD, 57555, US
Telephone: (605) 856-2456

Mission, SD 57555All CountyAlfalfa

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317

acres

crops grown

certifications

About Darla Whiting-Assman

Darla Whiting-Assman is a certified organic farm located in Mission, South Dakota (All County). The operation focuses on Alfalfa.

Darla Whiting-Assman is committed to certified organic farming practices, prioritizing biological soil health and sustainable agriculture in South Dakota. Organic certification ensures the farm meets strict USDA standards for avoiding synthetic pesticides and fertilizers, instead relying on biological inputs, cover cropping, and regenerative practices that build long-term soil fertility.

This farm holds the following certifications: USDA Certified Organic, Certified by Nature’s International Certification Services. Certificate data is sourced directly from the USDA National Organic Program registry. View USDA Certificate

Crops Grown at Darla Whiting-Assman

Each crop links to biological fertilizer guides and state-specific growing data.

AlfalfaForage

Spring-Fall

Fertilizer guide·Alfalfa in South Dakota

Biological Programs for Alfalfa Growers

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Products Used by South Dakota Organic Farmers — matched to Alfalfa production. Ships direct from AgConcepts to your farm.

Enhance

Foliar

Foliar fertilizer that delivers phosphate and essential nutrients directly through the leaf — applied during vegetative-to-reproductive transition for maximum crop response.

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ZyDrive

Biological

In-furrow and seed treatment biological inoculant that delivers nitrogen-fixing bacteria, phosphate solubilizers, and mycorrhizal fungi directly at the germinating seed.

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Certified Organic Farming in South Dakota

South Dakota is home to 29,700 farm operations, a growing number of which hold USDA Organic certification. Organic farms in South Dakota primarily produce Corn, Soybeans, Wheat, and similar crops using biological soil programs that build long-term sustainability.

Biological inputs — including humic acids, beneficial enzymes, and mycorrhizal fungi — are a cornerstone of certified organic production across South Dakota, replacing synthetic fertilizers while improving soil structure and crop resilience.

Corn farmers in South Dakota South Dakota farm directory