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Fertilizer Recommendation Guide
SDSU Extension fertilizer recommendations are based on field research in South Dakota and neighboring states.
An identification guide for Alfalfa Insect Pests in South Dakota
Pictorial guide for common insect pests of alfalfa in South Dakota
An identification guide for Sorghum Insect Pests in South Dakota
Pictorial guide for common insect pests of sorghum in South Dakota.
An identification guide for Sunflower Insect Pests in South Dakota
Identification guide to assist with insect identification and management in sunflowers.
An identification guide for Common Spiders in South Dakota
Identification guide to assist with identification and management of common spiders.
An identification guide for Home and Building Arthropod Pests - Insects, Spiders and Other Invaders in South Dakota
Identification guide to assist with identification and management of home and building arthropod pests (insects, spiders and other invaders).
An identification guide for Arthropods of Human Health Concern in South Dakota
Pictorial guide for arthropods of human health concern in South Dakota
Oat Variety Trial Results
In 2023, oat variety trials were planted at 7 locations and a regional summary in South Dakota.
Tree Pest Alert
From seasonal issues and timely recommendations to disease diagnosis and expert advice, the Tree Pest Alert is a trusted resource for selecting, planting and caring for trees and shrubs all year round.