Fertiliser Problems Fertilisers from ____ can wash into ____ and lakes. The ____ and phosphates cause ____ in the water to grow ____. The algae block out ____ causing larger plants in the water to ____. Bacteria then ____ the dead plants using up ____ in the water. This then causes fish to die. Pesticide Problems Some ____ used by farmers are ____ - don’t break down easily in the ____. Predators may eat lots of small ____ containing the pesticide. As a result the ____ of pesticide in animals ____ along the food chain. The top predators then get large ____ of the pesticide. This is known as ____. Varieties Problems Farmers ____ and plant the crop that produces the best ____. The problem is that all the plants are the ____ and if one gets a ____ it quickly ____ to the whole crop. Planting a single crop reduces the ____. The food web becomes ____ and if a disaster hits it takes ____ for the area to recover than if the area was more biodiverse. Global Warming When ____ are cut down and ____ and fossil ____ are burnt the ____ is released back into the ____ as carbon ____. The carbon dioxide in the atmosphere has ____ over the last 200 years. This extra carbon dioxide is resulting in ____.

Farming Problems

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