Sign in

Fertilizers and Pesticides presentation

Open in new tab

Learn about fertilisers and their effects on the environment.Be able to answer exam questions on the effects.Learn about Pesticides and their effectsSummarise the key points about pesticides

Aims of the session

Fertilisers and Pesticides

Fertilisers and Pesticides

The process of Eutrophication

The process of Eutrophication cont.

Biochemical Oxygen Demand (BOD).

This measures the rate of oxygen consumption by a sample of water, and therefore gives a good indication of eutrophication. A high BOD means lots of organic material and aerobic microbes, i.e. eutrophication

Pesticides

Pesticides

Include: Herbicides Insecticides Fungicides Bactericides

Pesticides

Persistence + Lipid solubility = Bioacculmulation

Pesticides