Thursday 25 April 2013

5.4 understand the reasons for pest control and the advantages and disadvantages of using pesticides and biological control with crop plants Micro-organisms

Pests can eat crops or damage them so they can't be sold.

Pesticides are used to kill pests that reduce crop yield.
The assure that crops won't be damaged. Fast and accurate to apply. Instant results.
They can harm other wildlife.
Killing the pest may affect biodiversity.
Pesticides can leech into the soil and possibly pollute rivers or surrounding habitats.
Pests can become immune.

Biological control is introducing a predator into the environment with the crops to kill the pests.
Cheep. Self regulating.
The predator may enter the wild and effect the biodiversity.

16 comments:

  1. This comment has been removed by a blog administrator.

    ReplyDelete
  2. This comment has been removed by a blog administrator.

    ReplyDelete
  3. This comment has been removed by a blog administrator.

    ReplyDelete
  4. This comment has been removed by a blog administrator,

    ReplyDelete
  5. This comment has been removed by a blog administrator.

    ReplyDelete
  6. I really thank you for the valuable info this great subject and look forward to more great posts. Thanks a lot for enjoying this beauty article with me. I am appreciating it very much! Looking forward to another great article. Good luck to the author! All the best!
    pest control san antonio
    #pestcontrolsanantonio

    ReplyDelete
  7. Replies
    1. that was a cheap shot!!!!! Xd im so punny

      Delete
  8. The Biology Syllabus has changed…

    Here is a New blog for the 2017 Syllabus:

    http://igcse-biology-2017.blogspot.hk

    ReplyDelete
  9. more at

    http://igcse-biology-notes.blogspot.hk/2017/06/54-understand-reasons-for-pest-control.html

    ReplyDelete
  10. Pests control is very good, but there still disadvantages of using pesticides. This post is very informative, and it gives an insight or the dos and dons regarding the use of insecticides. Since you have offered very interesting information, how about i share a link that could also be beneficial to many.
    Social Media Optimization Help

    ReplyDelete
  11. This has been selected because it has no after kill properties. That is if your moggy happens to eat a dead or dying rat it would not cause its death. San Diego pest control services

    ReplyDelete