Soil Fertility Extension Program

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The Soil Fertility/Nutrient Management program at MSU focuses on the processes that affect nutrient cycling so that they can be managed more sustainably. Soil testing can detect low nutrient levels that lead to possible crop nutrient deficiencies. In addition, soil testing allows for timely adjustments in fertilizer applications, reducing input costs. Understanding the economics of fertilizing, yield goals, and crop quality, along with soil fertility management can assist the producer in meeting profit goals. Currently, the effects of cropping systems and tillage systems on nitrogen and phosphorus availability are being investigated. Research conducted at MSU, the Agricultural Research Centers, and throughout the region, are synthesized into fact sheets, modules, and presentations geared toward extension agents, crop advisers, farmers, ranchers, and/or homeowners. If you have any questions on the Soil Fertility Extension program or materials contained in this web site, contact Dr. Clain Jones.

  • New video on mixed cover crops -We have released a short video about mixed species cover crops potentially replacing summer fallow, presenting our ongoing research. A press release (pdf) describes the highlights.
  • No-till grain may need a N boost in the spring - MSU press release (pdf)
  • Nutrient Digest Newsletter - offered quarterly
  • The Spring 2014 issue (pdf) contains information on whether a single tillage event negates the benefits garnered in a no-till system, conservation practices in furrow-irrigated fields, and the new Idaho cover crop calculator. If you would like to be alerted when the next issue comes out, please write Earlier issues are available under "Newsletters & Reports".
  • Soil Nutrient Management for Forages - Two new bulletins are available on this topic. One focuses on nitrogen (pdf), the other on phosphorus, potassium, sulfur and micronutrients (pdf). They present information on nutrient source, rate, timing, and placement, based on regional research results. They discuss soil nutrient management for annual and perennial forages, new seedings and established stands, and legumes and grasses. A press release summarizes the bulletin highlights (pdf). The full bulletins are available on this website under 'Extension Publications'. Printed copies are available from MSU Extension Publications (