Homework Completed fertilizer leaflet Red questions p.99 MAH Green questions p.99 MAH Green questions p.101 MAH Revise – test second lesson next week (PJO/MG/DCB STUFF) First lesson will be revision and more exam practice (text p )

Use of Natural and Artificial Fertilizers AQA book p Specification Reference: Environmental Consequences of using Nitrogen Fertilisers

Syllabus The ways in which productivity is affected by farming practices that increase the efficiency of energy conversion. These include the use of natural and artificial fertilisers Candidates should be able to apply their understanding of biological principles to present scientific arguments that explain how these and other farming practices affect productivity evaluate economic and environmental issues involved with farming practices that increase productivity consider ethical issues arising from enhancement of productivity.

Starter Triominoes in pairs – revision of carbon and nitrogen cycles

Objectives Why are fertilisers needed in agricultural ecosystems? How do natural and artificial fertilisers differ? How do fertilisers increase productivity? What are the main environmental effects of using Nitrogen Fertilisers? What is meant by ‘Leaching’ and ‘Eutrophication’? How do these processes affect the environment?

Project You have been employed as a specialist by the NFU Your brief is to make a leaflet for farmers called ‘Uses and consequences of fertilisers’ Make sure you cover all the objective points at the beginning of p.98 and 101 You have the time from both lessons this week Please feel free to begin homework questions should you finish in the lessons