Although most farmers will use chemical fertilizers and pesticides, but there are some farmers who use organic fertilizers instead of chemical fertilizer because there are organic fertilizers plant nutrition all macronutrients and micronutrients micronutrients also helps digestion of organic and chemical fertilizers in the soil as plant nutrients and it also helps improve soil quality, fit and adjust the acid – alkaline (pH), suitable for the growth of plants. Pest control section. Farmers use herbs instead of pesticides because no residue in plants and animals, and is not toxic to the environment.