How to Visually Diagnose Hidden Hunger and Mineral Imbalances

All crops experience hidden hunger and nutrient imbalances which limit yield. Hidden hunger is a term used to describe a plant that shows no obvious symptoms, yet the nutrient content is not sufficient to give the top profitable yield. 

 

In this video, John talks about diagnosing nutrient deficiencies by identifying very subtle signals in plants. John explains what to look for in leaf size comparisons, internode length, timing development, and many more visual observations which are easy to overlook.