As spring renovations wraps up and the promise of a long, dry, hot summer looms it might be of some interest to quickly look at the importance of a few nutritional elements critical to a good start to summer. Potassium (K) is certainly one of those and is needed by the plant during spring/summer in near equal amounts to nitrogen (N). Potassium is critical for stomatal closure during hot weather, thereby enabling the plant to self-regulate its cooling through transpiration. Effective transpiration combined with good even soil moisture is the basis for prevention of wilting. Potassium is also the nutrient… ...Read More
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