Content by Sushant Mehan

a field in the fall with a small ditch with water flowing through it

25th annual Tri-State Drainage Research Forum brings latest research to Owatonna, Minnesota

August 24, 2026

South Dakota State University Extension invites the public to the 25th annual Tri-State Drainage Research Forum this fall in Minnesota.

Two men walking near a drainage water recycling pond
Oct 01

Tri-State Drainage Research Forum

The 25th Annual Tri-State Drainage Research Forum will bring researchers, producers, conservation professionals, and industry together to explore the latest advances in agricultural drainage and water management on October 1 at Bass Pro Shop (3900 Cabela Dr NW, Owatonna, MN 55060).

A group of people listening to a presentation
Oct 07

Eastern South Dakota Water Conference

The Eastern South Dakota Water Conference will be held on Wednesday, October 7, at the McCrory Gardens Education and Visitor Center (631 22nd Ave., Brookings, SD 57006).

South Dakota State University on-site wean-to-finish barn.

Heavy Metals in Swine Manure

This fact sheet explains what heavy metals are, how they enter swine manure, how they behave in soil, and what practical steps producers can take to reduce long-term risks.

South Dakota State University on-site wean-to-finish barn.

Using Swine Manure Phosphorus More Efficienlty in South Dakota Cropping Systems

This fact sheet explains how feeding strategies, especially the use of low-phytate corn and related diet adjustments, can reduce phosphorus excretion in swine manure.

South Dakota State University on-site wean-to-finish barn.

Swine Manure and Nitrate Leaching

This fact sheet explains how nitrate leaching occurs, why swine manure increases risk under certain conditions, and what producers can do to keep nitrogen where crops can use it.

SDSU off-site wean-to-finish production barn.

Swine Manure and Soil Health

Swine manure is more than a waste product. When managed correctly, it is a valuable nutrient source that can improve crop yields, build soil health, and reduce fertilizer costs.

South Dakota State University on-site wean-to-finish barn.

Best Practices for Swine Manure Application

This fact sheet summarizes research-based practices to help producers, consultants, and conservation professionals make practical decisions that protect both productivity and stewardship.

South Dakota State University on-site wean-to-finish barn.

Impact of Swine Manure on Soil Organic Carbon

This fact sheet summarizes what research shows about how swine manure affects SOC and what that means for field-level decisions.

Construction Aggregate Mining Map in South Dakota

Water For All

These videos are meant to raise awareness among South Dakota citizens about the kinds of water information available to them.