Read the text and guess the word which best fits each gap \(1\-8\). Use only one word in each gap.

Modern farming methods allow farmers to produce large amounts ... cheap food. There ... a cost to the environment, though, because intensive farming uses a lot of chemicals such ... pesticides and fertilisers, which damage ecosystems and destroy wildlife. It also uses a lot of energy because ... the amount of machinery used. Not only does the soil suffer from these methods, but the quality of the food is reduced, too.
Organic farming, on ... other hand, aims to protect the environment while producing high-quality food. Natural fertilisers such as manure and compost are used instead ... man-made or chemical fertilisers. Organic farmers also use natural methods of pest control. They use ladybirds to combat greenfly ... burn weeds or pull them out by hand instead of using pesticides. They also use traditional farming methods such as rotating crops to different fields ... year to maintain the nutrients in the soil.
Organic food may be a bit expensive. However, it is healthy, tasty and better for the environment.