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Content by Hans Klopp

Two researchers analyzing soil in a no-till field with cover crops growing throughout.

Does the COMET Carbon Model Address Soil Health Principles?

The COMET-Farm model, developed by USDA/NRCS and Colorado State University, is a whole farm and ranch carbon and greenhouse gas accounting system. Learn how it addresses the Five Soil Health Principles.

Farmer standing in a no-till field at sunset.

Does the GREET Carbon Model Address Soil Health Principles?

Learn how the recent Greenhouse Gases, Regulated Emissions, and Energy Use in Technologies (GREET) production model lines up with the Five Soil Health Principles.

Soil scientist conducting an in-field soil test.

Soil Carbon Cycle and Laboratory Measurements of Carbon Related to Soil Health

Carbon is one the most-important elements in agricultural soils. Take in-depth look at how carbon is understood, measured, and managed to benefit soil health in agricultural production.

Man using a dynamic cone penetrometer.

Soil Penetration Resistance as a Soil Health Indicator

Soil penetration resistance is an indicator of soil compaction and the force required for root growth through the soil. It can be measured in the field using a tool called a penetrometer.

A soil coring device that has been pounded into ground. Next to it are trimmed samples in rings used to measure soil bulk density.

Bulk Density is an Indicator of Soil Health

Bulk density is a commonly measured soil property that can indicate how compacted a soil is and can be used to calculate the percent pore space in the soil.

a man in a suit and tie smiles for the camera

SDSU Extension welcomes new soil health expert to Watertown office

September 18, 2023

South Dakota State University Extension is pleased to welcome Hans Klopp as a new Soil Health Field Specialist.

fruit and vegetable garden with raised beds

Fertilizing Gardens in South Dakota

Publication about fertilizing gardens in South Dakota