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Drones carrying ladybirds to take on pests on organic fields

Christian Wenande
June 2nd, 2016


This article is more than 8 years old.

Project could eventually lead to a decrease in pesticide use

A new research project supported by the Environment and Food Ministry is developing a drone that can efficiently wage biological warfare on the little insects that wreak havoc on organic fields in Denmark – by dropping predators into their midst.

In organic fields, it’s a challenge to fight pests like mites and aphids without using chemicals, but the drones spreading ladybirds, predatory mites and midges across the fields has been deemed a viable method of protecting the vulnerable crops.

“It’s not just the organic sector that is booming in Denmark,” said the environment and food minister, Esben Lunde Larsen. “The desire to innovate is also blossoming, and Danish companies are among the world’s best at developing new technology within a number of areas.”

“The Danes increasingly crave organic products, so the better conditions the farmers have to farm organically, the more it’s worth them producing.”

READ MORE: Danish government supporting fishing drone program

Organic leaders
The project has been formed as a collaboration between the Danish tech company Ecobotix, Aarhus University and the University of Southern Denmark.

The project has been supported by 8.3 million kroner by the Environment and Food Ministry’s business-support scheme, Green Development and Demonstration Program (GUDP), and it is initially expected to be able to reduce the use of pesticide in Danish agriculture by 3.4 percent.

“We are already building prototypes and we are aiming for a solution that will make us be able to observe and prevent insect attacks,” said Anders Petersen, a spokesperson from Ecobotix.

With 8.4 percent, Denmark has the highest organic consumption per capita in the world. The nation is home to 2,557 organic farmers.


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A survey carried out by Megafon for TV2 has found that 71 percent of parents have handed over children to daycare in spite of them being sick.

Moreover, 21 percent of those surveyed admitted to medicating their kids with paracetamol, such as Panodil, before sending them to school.

The FOLA parents’ organisation is shocked by the findings.

“I think it is absolutely crazy. It simply cannot be that a child goes to school sick and plays with lots of other children. Then we are faced with the fact that they will infect the whole institution,” said FOLA chair Signe Nielsen.

Pill pushers
At the Børnehuset daycare institution in Silkeborg a meeting was called where parents were implored not to bring their sick children to school.

At Børnehuset there are fears that parents prefer to pack their kids off with a pill without informing teachers.

“We occasionally have children who that they have had a pill for breakfast,” said headteacher Susanne Bødker. “You might think that it is a Panodil more than a vitamin pill, if it is a child who has just been sick, for example.”

Parents sick and tired
Parents, when confronted, often cite pressure at work as a reason for not being able to stay at home with their children.

Many declare that they simply cannot take another day off, as they are afraid of being fired.

Allan Randrup Thomsen, a professor of virology at KU, has heavily criticised the parents’ actions, describing the current situation as a “vicious circle”.

“It promotes the spread of viruses, and it adds momentum to a cycle where parents are pressured by high levels of sick-leave. If they then choose to send the children to daycare while they are still recovering, they keep the epidemic going in daycares, and this in turn puts a greater burden on the parents.”