Gentry Sorenson
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...
This article is Part 1 in a series of 5 ICM blogs on how to best allocate fertilizer dollars with tight margins.
Soil samples are a helpful resource for farmers as they provide data to be used for recommendations for limestone, manure, and fertilizer. Soil samples should be taken every...
Join either the ISU Northern Research and Demonstration Farm or the Southeast Research and Demonstration Farm for their fall field days coming up on September 5th!
Northern...
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.
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...
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...
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...
After walking several fields last week before harvest got into full force, I noted fields where stalk integrity was a concern. If you have not done so already, I would encourage walking fields before harvest to understand how your crop will stand through the harvest season. A pre-harvest walk...
Check out the upcoming field days being offered around the state this August. These field days will feature a variety of topics ranging from strip-till and conservation to forage production and corn rootworm management.
August 1, 2023 | Corn Rootworm Field Day...
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...
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...
In the evening hours of July 5, 2022, a derecho moved through South Dakota into northwest Iowa. Gusts in South Dakota were as high as 99 mph with winds that lasted up to 20 minutes. The path of the storm’s length was about 600 miles. A...
The northwest Iowa fall survey of subsoil moisture completed by Iowa State...