This book provides an insight for the research based on effect of foliar spray of iron and zinc on mango with excellent presentation in innovative and lucid style. It offers an unparalleled learning of physical properties like yield, Fruit weight, Fruit setting, fruit retention and chemical properties like TSS, Ascorbic acid and hedonic test. Improvisation in macro and micro nutrients illustrated with graphical and analytical approaches. Salient feature of this book are 1) Glimpse of Simple Completely Randomized Design 2) Also explained Foliar spray effect on vegetable crop for better understanding of the same 3) Scope of foliar spray in agronomical biofortification with special reference to global nutritional security 4) glance at subtropical climate change.