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Content by Jason Clark

A group of black heifer calves in a feedlot.

Using Feedlot Manure as a Crop Nutrient Source

Factsheet that reviews the steps to obtain a manure application rate based on crop need, soil and manure testing.

Spring wheat growing in a no-till field. Courtesy: USDA NRCS South Dakota, (CC BY-SA 2.0)

Chloride Fertilizers May Be Beneficial in Spring Wheat Production

Chloride, the ionic form of chlorine, although not considered an essential nutrient, has long been observed to be highly beneficial to field crops. Chloride is known to play an essential role in plant development and osmoregulation.

A green tractor, pulling a red, high-clearance planter through a field of emerging corn.

Interseeding Cover Crops Effect on Corn and Soybean Production: 2019

Incorporating cover crops into our cropping systems and moving from conventional tillage to no-till can improve soil organic matter, soil structure, and water and nutrient holding capacity of our soils.

man holding a small pile of soil in his hands

Recommended Soil Sampling Methods and Instructions

Proper collection of soil samples is extremely important as the accuracy of the soil test depends on the quality of the soil sample provided to the lab.

crop fields flooded by spring snow melt. USDA Photo by Lance Cheung

Managing Soil and Soil Fertility After Flooding

During floods, your fields will experience different amounts of erosion, sediment deposition, and crop residue accumulation. To avoid compaction of these soils it is crucial to let soils drain and dry out sufficiently before removing any large debris from fields or working the soil.

man holding a small pile of soil in his hands

Fertilizer Recommendation Guide

SDSU Extension fertilizer recommendations are based on field research in South Dakota and neighboring states.