Plant nutrients Plant growth requires various nutrients Major nutrient elements: C,N, P trace elements: S, Si, Cl, I, and metallic elements(Fe, Mn, Cu, etc) The minor elements because of the low demand can Water y be supplied at adequate rates in natural
1. What is plant introduction Narrow sense---introduction of superior cultivars Broad sense---introduction of plants(or crops 2. Implications of plant introduction p.50-52