1.   Organically farmed crops are not sprayed with any chemical pesticides and are not treated with nitrogen, potassium or phosphate fertilisers.

2.   Increased use of chemical pesticides is causing a steep decline in the numbers of song thrushes in Britain, according to a survey by the British Trust for Ornithology.

3.   Our scheme reduced the range and volume by using alternatives to chemical pesticides and by taking a holistic approach to growing.

4.   Chemical pesticides were sprayed on the tomato plants to kill the whitefly.

5.   Although chemical pesticides can be reliable and effective, just professionals should use them.

6.   Besides increasing grape output, disease-resistant vines should require less chemical pesticide spraying, scientists say.

7.   Biopesticides and other products are being used to improve our food supply and to lessen our need for conventional chemical pesticides.

8.   A. Wine-grape growers throughout the world have been leaders in the movement away from chemical pesticides, fungicides and fertilizers.

9.   Do not use chemical pesticides, especially systemic ones, if you intend to consume the fruit.