Potassium Supplying Power of Iowa Soils at Their “Minimal” Levels of Exchangeable Potassium
- 1 January 1969
- journal article
- Published by Wiley in Soil Science Society of America Journal
- Vol. 33 (1) , 105-109
- https://doi.org/10.2136/sssaj1969.03615995003300010029x