The sulfur cycle. As with nitrogen, organic sulfur, contained in the soil and in crop residue, is mineralized by microbes into the inorganic form that plants can use. But other microbes are also ...

The lack of sufficient organic material is no laughing matter when it comes to your soil’s tilth and fertility. The organic faction in your soil is the next all-important issue after soil texture and ...

Minnesota research shows an annual rate of 25 lb. of sulfur is adequate for corn production on sandy soils, while fields with more organic matter need less (10 lb. to 15 lb. per acre). The ...