Water Pollution Fertilizers and Pesticides
Fertilizers materials used to provide plant nutrients which are deficient in soils. contain essential ingridients plants need Farmers spray fertilizers to improve the soil’s fertility
Types of Fertilizers Complete inorganic fertilizers Special purpose fertilizer Liquid fertilizers Slow-release fertilizer Fertilizer with insecticide
Pesticides 'Pesticide' is a broad term, covering a range of products that are used to control pests. Farmers use pesticides to: –protect crops –Prevent animals and insects from contaminating foods –safeguard human health
Types of Pesticides Fungicides fungi and mould killers Insecticides insect killers Herbicides weed killers
Effects of Fertilizers and Pesticides Eutrophication Pollution of water Suffocation Death of living organisms Diseases on humans
Solutions Read carefully the instructions- no overdose Use safely and effectively Keep fertilizers, leaves and grass clippings off streets and driveway prevent soil erosion