阅读理解题,,,1.doc

第1篇 Youre in a bit of a dilemma standing in front of the produce section of your local supermarket. In one hand, youre holding a conventionally grown Granny Smith apple. In your other hand, you have one thats been organically grown. Both apples are firm, shiny and green. Both provide vitamins and fiber, and both are free of fat, sodium and cholesterol. The conventionally grown apple costs less and is a proven family favorite. But the organic apple has a label that says USDA Organic. Does that mean its better? Safer? More nutritious? Several differences between organic and non-organic foods exist. Become a better informed consumer for your next trip to the supermarket. hConventional vs organic farming The word organic refers to the way farmers grow and process agricultural products, such as fruits, vegetables, grains, dairy products and meat. Organic fainting practices are designed to encourage soil and water conservation and reduce pollution. Farmers who grow organic produce and meat dont use conventional methods to fertilize, control weeds or prevent livestock disease. Here are other differences between conventional farming and organic farming: Conventional farmers Organic farmers Apply chemical fertilizers to promote plant growth, Apply natural fertilizers to feed soil and plants. Apply insecticides to reduce pests and disease. Use beneficial insects and birds to reduce pests and disease. Give animals antibiotics (抗生素), growth hormones( 激素) and medications to prevent disease and promote growth, housing Give animals organic feed and allow them access to the outdoors. Use preventive measures -- such as a balanced diet and clean housing － to help minimize disease. * Organic or not? Check the label The U.S. Department of Agriculture (USDA) has established an organic certification program that requires all organic foods to meet strict government standards. These standards regulate how such foods are grown, handled and processed. Any farmer or fo