Soil Fertility

Author(s) Emmett Schulte, Leo Walsh, Keith Kelling, Larry Bundy, William Bland, Richard Wolkowski, John Peters, Scott Sturgul This textbook descri...

Author(s) Daniel H. Smith, Mimi Broeske, Jamie Patton, Kevin Shelley,  Francisco Arriaga, Bryan Jensen, Maxwel Coura Oliveira, Brian Briski, Barry ...

Author(s) Carrie A.M. Laboski, John B. Peters Growers recognize the importance of a good soil testing program, which, despite some limitations, i...

Author(s) Matt Ruark, Jaimie West, Geoffrey Siemering Using cover crops following corn silage harvest and manure application provides an excellent ...

Author(s) Damon Smith During years when profit margins are low, knowing the right steps to take to produce grain can be challenging. This fact she...

Author(s) John B. Peters, Carrie A.M. Laboski One acre of soil to a depth of 6 inches weighs about 1,000 tons, yet less than an ounce of it is us...

Author(s) Emmett Schulte, Keith Kelling Most Wisconsin soils need relatively large quantities of applied potassium because of removal by crops and...

Author(s) Larry Bundy Find out how nitrogen reacts in your lawn or garden and how to test for and apply it (6 pages). View publication

Author(s) Carrie M. Laboski, Kevin Shelley The soil fertility guidelines contained in this publication help Wisconsin graziers maintain an adequa...

Author(s) Emmett Schulte, Keith Kelling Although sulfur is described as a secondary plant nutrient, largely because it is not deficient as often a...

Author(s) Emmett Schulte Molybdenum (Mo) was identified as an essential element for higher plants in 1939. Find out how this mineral can affect yo...

Author(s) John L. Skinner Manganese (Mn) deficiency and toxicity have been noted in Wisconsin on various soils. Find out how this mineral can affe...

Author(s) Emmett Schulte Magnesium (Mg) is abundant in most Wisconsin soils. Find out how this mineral can affect the soil in your lawn or garden ...

Author(s) Emmett Schulte Find out how iron, the fourth most-abundant element on earth, can affect the soil in your lawn or garden (2 pages). View...

Author(s) Emmett Schulte, Keith Kelling Copper deficiencies are rare in Wisconsin. Most verified cases have involved small grains, lettuce, or oni...

Author(s) Emmett Schulte The names chlorine and chloride are frequently confused. The non-reactive chloride is the form present in soils and is th...

Author(s) Emmett Schulte, Keith Kelling Calcium (Ca) is relatively abundant in soils and rarely limits crop production. Find out how to test for a...

Author(s) Keith Kelling Modern management of alfalfa uses improved varieties, intensive harvest schedules, direct seeding, and up-to-date fertiliz...

Author(s) Geoffrey Siemering, Matthew Ruark, Amanda Gevens Trichoderma are fungi found worldwide that grow in and around plant roots and can incre...

Author(s) Geoffrey Siemering, Matthew Ruark, Amanda Gevens Bacillus amyloliquefaciens (BAA) is a bacterium found in soil ecosystems worldwide that...

Author(s) Geoffrey Siemering, Matthew Ruark, Francisco Arriaga, Erin Silva, Heidi Johnson Many important field crops can benefit from an associati...

Author(s) Emmett Schulte Plants vary considerably in their requirements for zinc. In Wisconsin, zinc deficiencies have been observed on corn, snap...

Author(s) Emmett Schulte, Keith Kelling Although some Wisconsin soils may require large phosphorus additions for best yields, the past use of phos...

Author(s) Emmett Schulte, Keith Kelling While some have claimed that there is an ideal soil calcium to magnesium ratio (Ca:Mg), and that Wisconsin...