Content by Hans Klopp

Road ditch near a crop field with noticeable soil deposited from wind erosion.

How to Maintain Soil Health During Dry Growing Conditions

Adopting soil health practices can help to reduce the loss of valuable topsoil by wind erosion during droughts. Learn how to manage your fields now or in the future to maintain soil health during periods of dry times.

Two raised beds in a garden plot.

Understanding Unit Conversions for Nitrogen, Phosphorus, and Potassium Fertilizer Application Rates in Garden Soils

This factsheet provides unit conversions between different units that soil labs recommend for fertilizer application rates to gardens for nitrogen, phosphorus, and potassium.

Oats growing in a no-till field.

Comparing Cover Crop Mixture Performance after Oats and its Effect on Corn Yield the Following Year

A research trial completed at the South Dakota Agricultural Experiment Station Northeast Research Farm comparing cover crop mixture performance after oats and its effect on corn yield the following year.

shovel with a clump of dirt with a green plant and root system

Effect of Camelina Cover Crop on Soil Health and Corn Yield

Study results focused on the effect of camelina cover crop on soil health and corn yield.

Various chemical symbols for common nutrients found in garden soil over a selection of young plants emerging from garden soil.

Managing Phosphorus and Other Nutrients in Gardens

Fact sheet on managing phosphorus and other nutrients in gardens.

Harvested crop field with deep soil ruts left by equipment tires.

How to Avoid Soil Compaction During Crop Harvest

Soil compaction can degrade soil health and lead to reduced crop yields. Learn some production practices that can implemented during harvest to avoid soil compaction.

Rye growing in in a no-till field.

Effects of Different Cereal Rye and Winter Camelina Seeding Rates on Biomass Production and Soil Properties When Broadcast Seeded

Benefits to soil health generally increase as cover crop biomass production increases. Recent research sought to determine how the seeding rate of two cover crop species and mixtures affected biomass production and some soil health indicators.

Field showing sheet and rill erosion following a heavy rain event.

Soil Erosion Mitigation During Heavy Rainfall Events

Adopting soil health practices that minimize disturbance, increase surface cover and organic matter content, and keep roots growing in the soil can help to increase soil infiltration rates and reduce destruction of soil aggregates from heavy rain.

Gardener inspecting soil in a backyard garden plot.

Are Cheap Home Garden Soil Test Kits Accurate?

Inexpensive soil test kits are a method available for gardeners available to estimate soil pH and the level of nitrogen, phosphorous and potassium present in the soil.

Producer holding soil in cupped hands over a bare field in early spring.

80 South Dakota farmers needed for nationwide soil health project: Enroll today

April 03, 2025

South Dakota State University Extension is inviting South Dakota farmers to participate in a new soil health survey.