220x Filetype PPTX File size 2.21 MB Source: kscorn.com
Why is Water Quality Important? • Water is an important commodity in the American culture. The USDA estimates that agriculture accounts for approximately 80 percent of the nation's water use. In agriculture, water is used to grow fruits, vegetables, crops and raise livestock. Even further though, water in agriculture is used for irrigation, the application of pesticides and fertilizers. In Kansas 29% of corn acres are irrigated. • Maintaining good water quality is something farmers strive for to help maintain a healthy ecosystem and to preserve the water that we drink. Farmers practice proper agriculture management to meet domestic water quality standards. Cooperation between agriculture and domestic water users is necessary to provide adequate water quality for both parties. Why is Water Quality Important? • In this lab students will test water quality from difference sources of water. • This lab is best suited to be delivered right after the soil erosion lab. • Preventing soil erosion is the number one way that Kansas farmers protect from fertilizers and pesticides getting into the water supply. • Farmers are not the only ones who impact water quality in our communities. Consumers, business and industries can also impact water quality. Golf courses, lawns, parks could all apply fertilizer and pesticides, and all have an impact on water quality. • This lab is designed to get students thinking about how different segments of the communities can work together to improve water quality Why is Water Quality Important? • Farmers and ranchers work hard to make sure they have a successful crop by reducing potential pollutants by decreasing the availability of: • soil to become sediment, primarily through the use of agronomic practices such as cover crops, residue management, and rotations that include close-grown crops; • nutrients for transport, by accounting for all nutrients available, regardless of source, method of incorporation, and application rate and timing; • pesticides through integrated pest management, including crop rotations, cultivation, biological pest control, scouting, and selecting pesticides that are more environmentally friendly, as well as through reducing the use of pesticides in their operations. What are we looking for? • For this lab we will testing water supplies from various locations looking for key deficiencies or overabundance for Potassium, Phosphorus, Nitrogen, pH, Total Dissolved Solids and Electrical Conductivity. What are we looking for? • Electrical Conductivity (EC) will show the presence of salts in the water. The higher the salt content, the higher the conductivity reading. An elevated conductivity test can damage growth due to nutrient deficiencies and lower water uptake by the crop
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