In the 21st century people had acknowledged the importance of health, as a result, more and more people are consuming only organic food.This is because they have understood what effects will the chemical fertilizers will bring to their health. Not only the consumers but the farmers had been awaken and understood the consequences. Chemical fertilizer, herbicide and pesticide will harden the soil and pollute the water supply wheareas toxic waste brings harm to the enviroment and human's health.