Your Status: Logged out Log in

The advantages and disadvantages of the biological control method of pest management  

Member rating: No Rating | Words: | Submitted: Tue Mar 29 2005

Page Preview
Preview
Previous 1 of 2 Next

On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:

Andrew Wilson The advantages and disadvantages of the biological control method of pest management The biological control method of pest management does not use chemicals. Biological control uses various organisms that are either predators or parasites to the pest. A pest is an organism which causes damage to people and their crops, however this is an economical definition, as opposed to a biological one. Something is considered to be a pest when it reduces productivity by 5-10%. Plants require certain mineral ions in order to grow well, however there is a limited amount of these in soil. Therefore if weeds are growing in a wheat crop, they will take some of the mineral ions that would go to the wheat plants. Interspecific competition is the competition between organisms of different species for the resources that they require, and intraspecific competition is the competition between organisms of the same species. Weeds also compete with...

To see the full version of this document, and 145,345 others

Register Now