Journal article reprint from: Journal of the American Society of Agronomy, v.27:no.8 (1935:Aug.), and: v.27:no.9 (1935:Sept.). Includes: Non-acid-forming mixed fertilizers: I. Their effect on certain chemical and biological changes in the soil-fertilizer zone and on plant growth, and: Non-acid-forming mixed fertilizers: II. The Value of dolomitic limestone supplements of different degrees of fineness as measured by the increase in water-soluble magnesium in the soil.