11.   The national broadcasting organisations have been threatened by deregulation which has encouraged the growth of private satellite and cable channels.

12.   You can pinch the tips of your young plant to encourage bushy growth.

13.   To encourage growth, prune back your rose bushes by about a third.

14.   Feed the plants to encourage new growth.

15.   Feed plants to encourage steady growth.

16.   ...a natural substance that encourages cell growth.

17.   Warm weather encourages plant growth.

18.   However, if too much phosphorus gets into lakes and rivers it can encourage excessive growth of the microscopic plant life, called algae, and other water plants.

19.   It involves cutting down the main trunk to encourage new growth from the edge of the stump.

20.   The introduction of psephology encouraged the growth of opinion polls as a guide to voting trends.