Leah Ten Napel

Leah Ten Napel is an extension field agronomist serving 9 counties in northwest Iowa. Her responsibilties include bringing research-based information to the grower level through educational programing and answering agronomic questions for landowners, farmers and ag retailers. Her areas of expertise include soil fertility, corn and soybean production, and pest management. Ten Napel is a certified crop advisor in the state of Iowa.

Leah has been a part of the Extension team since September 2022. Prior to working for Extension, she worked as an agronomist at a local co-op. Ten Napel received her B.S. in Agronomy and Seed Science from Iowa State University in 2017.

Subscribe to the Northwest Iowa Crop Corner for current agronomy-related topics and upcoming events in the area. 

December 2, 2024 5:00 AM

Iowa State University Extension and Outreach Field Agronomists have completed their fall survey of subsoil moisture in northwest Iowa. Subsoil moisture sampling in Iowa dates back to February 1954 when ten sites were chosen for soil moisture sampling. In 1959, the sampling increased to 22...

Crop Production, Soils, Soil Management, Weather
June 27, 2024 11:55 AM

Recent floods throughout Northwest Iowa have caused significant damage and loss to communities, homes, roads, livestock producers, crops and more. Unfortunately, this situation will continue long after the rain as high river levels continue to surge south.

Crop Production
June 25, 2024 5:18 PM

Heavy rainfall can have economic and environmental consequences if flooded fields are left barren. Long-term damage to soil needs to be considered when planning for next season's crop.

Biological, chemical and physical soil health

Biologic health: Several changes...

Soil Management
June 10, 2024 3:14 PM

You won’t want to miss any of the upcoming field days hosted at the outlying Iowa State University Research Farms this summer. These field days will feature the latest information on crop production and management practices. Below is a list of the upcoming field days that will take place as well...

Crop Production
May 1, 2024 11:55 AM

Iowa State University Extension and Outreach Field Agronomists have completed their spring survey of subsoil moisture in northwest Iowa.  Subsoil moisture is sampled in mid-April in the spring and early November in the fall across northwest Iowa each year.  The dates that the samples were...

Crop Production, Soils, Soil Management
April 11, 2024 1:51 PM

Planting, in my opinion, is THE most important field operation. Planting in the optimal planting window and into good seedbed conditions will set the plant up for rapid growth and high yield potential. With planters beginning to move or sitting in waiting for better...

Crop Production
November 15, 2023 7:00 AM

Iowa State University Extension and Outreach Field Agronomists have completed their fall survey of subsoil moisture in northwest Iowa. Subsoil moisture sampling in Iowa dates back to February 1954 when ten sites were chosen for soil moisture sampling. In 1959, the sampling increased to 22...

Crop Production, Soils, Soil Management
April 25, 2023 4:06 PM

Agronomy in the Field is a workshop series for women that provides learning opportunities for forage and crop production. Focus is placed on developing agronomic decision-making skills that can be utilized on one’s own personal farm or family cropping operations, including water quality and...

Crop Production
April 19, 2023 10:04 AM

Iowa State University Extension and Outreach has completed their spring survey of subsoil moisture in northwest Iowa.  The amount of subsoil moisture is sampled in the fall and spring across northwest Iowa each year.  Sites within this survey have been sampled for decades providing a historical...

Crop Production, Soils
November 28, 2022 8:00 AM

Iowa State University Extension and Outreach has completed their fall survey of subsoil moisture in northwest Iowa. The survey provides a current and historical perspective on subsoil moisture levels.  Soil moisture is sampled to a depth of five foot in one-foot increments at pre-determined...

Crop Production