SEARCH RESULTS All clips in All Levels> All Subjects> All Topics containing “+Why-do-plants-need-roots”
| Clip description | Keywords | |
|---|---|---|
|
An introduction to seed germination and growth Duration: 00:59 Time lapse photography is used to show the growth of roots and shoots from a seed. |
||
|
Bromeliad growth in the rainforest Duration: 00:49 An explanation of how a bromeliad plant finds sunlight and water in the tropical rainforest. |
||
|
Nitrogen-fixing leguminous plants Duration: 01:02 The role of nitrogen-fixing leguminous plants in soil improvement is examined and crop rotation is briefly discussed. |
||
|
How cacti survive in the dry desert Duration: 02:07 A look at how cacti are able to survive and grow in the harsh, dry desert environment by storing water in their fleshy stems. |
||
|
Why do plants need water? Duration: 00:53 An explanation of the conditions needed for plant growth, with particular emphasis on water requirements. |
growth, light, water, conditions, soil, temperature, warmth, cacti, rice, water hyacinth, cereals, potatoes, maize, barley, wheat
greenhouse, Darwin
|
|
|
Desert erosion Duration: 01:49 Deserts are eroded by rainwater run-off and the wind. Desert soil is far from useless; it is rich in nitrogen and mineral compounds. |
||
|
Market science – food groups and roots, leaves and fruit Duration: 05:42 At Leicester market, all the different food groups are on sale, and a farmer in Surrey shows the different parts of plants that we eat, and explains how he grows them. |
||
|
What do plants need for healthy growth? (no narration) Duration: 00:59 Plants need water, warmth, food and sunlight for healthy growth. |
||
|
Trees - root system and bark Duration: 03:41 An explanation of the extent and purpose of a tree's root system and how bark functions. |
||
|
A visit to the allotment Duration: 02:21 Barnaby Bear meets Katrina at the allotment where she grows fruit and vegetables. She shows Barnaby around and Barnaby helps with watering some of the plants. |
fruit, vegetables, health, sunflowers, bees, courgettes, marrows, pumpkins, carrots, lettuce, tomatoes, allotment, seeds, growing, watering, roots, leaves, window boxes
|
|
BBC © 2012 The BBC is not responsible for the content of external sites. Read more.
This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.