Powerpoint lecture covering the following in a modern, concise format:
Specification Point 5.1 - Describe how glasshouses and polythene tunnels can be used to increase the yield of certain crops.
Specification Point 5.2 - Understand the effects on crop yield of increased carbon dioxide and increased temperature in glasshouses.
Specification Point 5.3 - Understand how the use of fertiliser can increase crop yield.
Specification Point 5.4 - Understand the reasons for pest control and the advantages and disadvantages of using pesticides and biological control with crop plants.
Complete set of Chapter 7 Lectures are available.
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