High wine grape yields are obtained on the most freely drained soils where water is not limiting. Vines will grow across a wide range of soil pHs, but extremes will render many nutrients unavailable and thereby restrict yield...
Identify and diagnose nutrient deficiencies in your grapes and learn how to control or correct the deficiency. Start by selecting a nutrient below.
The farmer's toolbox is a collection of tools available to help you make better nutrient decisions by choosing the right fertilizer and apply the right amount of nutrients at the right time and in the right place so that the crop yield and quality are maximized whilst still keeping costs in check, avoiding over-fertilization and protecting the environment.