11.   As any keen gardener will know, plants need phosphorus to encourage a good root system and healthy growth.

12.   This blocks out the sun-light that the plants need in order to survive.

13.   Analysts said the plant needs two more trillion won for completion.

14.   And those rambling, floppy plants need something to lean on.

15.   As plant biologists like to point out, plants may need more genes than animals because they cannot move.

16.   As the chlorophyll breaks down and the leaves turn yellow, the plants need only sunlight, air and water to finish up.

17.   Bitterness is their defense against herbivores that might eat parts the plants need for photosynthesis.

18.   Bonner showed that some plants needed a long night to flower and that a flash of light in the dark cycle could derail the entire process.

19.   A plant still needs power to keep coolant over the core to prevent radiation release.

20.   A team of scientists concluded that the plant needs a computerized tracking system to monitor each of the thousands of individual pits.