Potassium and drought resistance

Potassium is an essential nutrient for plant growth, but in recent years, the amount needed to sustain good quality turf has come into question with the development of new nutrient guidelines such as Minimum Levels for Sustainable Nutrition (MLSN).

A January, 2015 article in Golf Course Management, "Drought resistance of warm season putting green cultivars with varied potassium" by Drs. John Rowland (Bayer) and John Cisar (University of Florida) lends further support to the concept of lower potassium rates and…