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Further ideas with leaf discs
The leaf disc project has started again with my year 9 and 10 boys (age 14 - 15). One boy suggested growing clover under different regimes, using the SAPS method to assess photosynthetic efficiency. Any suggestions?
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Sun and shade plants
What is the physical difference between plants that grow in the direct sunlight and those that grow in the shade?
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The effects of nitrates on plant growth
Is there any soluble nitrate which does not promote plant growth (especially lupins)? I am trying to establish if nitrate concentration has any effect on lupin growth, especially as they are leguminous plants.
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ABA and seed germination
What range of concentrations of ABA will affect the percentage germination of cress or mustard seeds?
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Onion epidermal cells
I plan to investigate the variation of solute potential in onion epidermal cells as distance from bulb surface varies. Do you have any tips?
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Lead in lead mining spoil heaps
What type of lead is found to pollute the ground in lead mining spoil heaps? What concentration is this tyoe of lead founding normal soil and concentration in the spoil soil?
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