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- Wander, I.W., et al. Show all 2 Author
- Agronomy journal 1938 v.30 no.5 pp. 438-446
- tillage; Pyrus communis; Poa; potassium; loam soils; NPK fertilizers; orchards; soil fertility; soil depth; exchangeable potassium; cover crops; straw mulches; Ohio
- ... Data are here presented to show the amount of available potassium under three different systems of culture, viz., mulch, sod, and cultivation with cover crops, which have been maintained over a relatively long period of time on a Wooster silt loam soil. The investigations included both fertilized and unfertilized plats. Both a quick test and a method including the quantitative determination replac ...