Part 4b. Methods of increasing food production and improving sustainability
4b. Ways of improving the quality of soil, increasing fertility and crop yields - but there are issues!
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.
4(b) Poor soil is improved by application of fertilisers - overuse causes environmental problems
SITEMAP Website content © Dr Phil Brown 2000+. All copyrights reserved on Doc Brown's biology revision notes, images, quizzes, worksheets etc. Copying of website material is NOT permitted. Exam revision summaries and references to science course specifications are unofficial.
Using SEARCH some initial results may be ad links you can ignore - look for docbrown
ENTER specific biology words or courses e.g. topic, module, exam board, structure, concept, animal or plant feature, 'phrase', homework question! anything of biological interest! This is a very comprehensive Google generated search of my website.