Weitere Beispiele werden automatisch zu den Stichwörtern zugeordnet - wir garantieren ihre Korrektheit nicht.
Biological control has also been considered in some areas such as China.
It has been the subject of a biological control programme since the 1970s.
Biological control may be a solution available in the future.
If you would like more information about biological control, please contact us.
Two insects are also being used as a biological control.
Funding is also required for research, particularly in the area of biological control.
Biological control has not yet been taken up in Indonesia.
The second species might potentially be used for biological control.
Biological control has received some publicity over the last few years.
More information about Biological control of weeds can be found here.
The insect has not been used for biological control since 2001.
Many countries have biological control programs in place which they intend to continue.
It is the first time a "biological control" approach has been used in Europe against a plant.
There are several biological control measures used against this plant.
Biological control can in some cases be more effective than pesticides.
Su's goal was to find out why biological control never worked.
Biological control, however, creates none of these problems, he said.
If biological controls are used, they must target specific problems.
Investigations are also being made into the possible use of a biological control agent.
Some of them, and there was a big debate about it, even used biological controls.
Announcing a research project to study a biological control agent.
These alternatives can be found through research in biological control techniques.
List some of the new methods being exploited for biological control.
These species have been used in biological control of the pest.
He also developed an interest in the use of spiders for biological control.