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Film summary
Plants produce oxygen and provide our food, but what do they need to live? Learn why nitrates, phosphates, potassium and magnesium are vital for plant health.Key facts
- Understanding how plants grow ensures we have food on the table.
- Plants need sunlight and air, water and minerals.
- If minerals are lacking, roots shrivel and leaves discolor.
- Essential minerals include nitrates, phosphates, potassium and magnesium.
Transcript
To create a beautiful garden, or to produce food crops on a large scale, we need to understand how plants grow.
Without plants to produce oxygen and provide our food, we wouldn't be alive.
So understanding what keeps them healthy is vital.
The essential ingredients for growth are sunlight and air, captured ...
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