Part 4b. Methods of increasing food production and improving sustainability
4b. Quality of soil
Doc Brown's Biology exam study revision notes
There are various sections to work through,
after 1 they can be read and studied in any order.
Sub-index of notes on increasing food production
Index of notes on ALL aspects of food production
4(b) Poor soil is improved by application of fertilisers - overuse causes environmental problems (advantages and disadvantages)
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