Effect of some Fertilization Treatments on The Growth and Volatile oil Yield on Fennel Plant

This work aimed to study the effect of some fetilization treatments i.e. macro-nutrient levels (NPK) and micro-nutrients elements(Zn, Mn and Fe) on thegrowth fruits, volatile oil yield and themain chemical composition of fennel plant, to reveal the suitable treatments to obtained the ltighest production containing mor volatile oils.