[To spray or not to spray, that is not the question...].
D002170:Canada; D003362:Cost-Benefit Analysis; D004463:Ecology; D010575:Pesticides / Q000009:adverse effects / Q000633:toxicity; D011634:Public Health; D014197:Trees
D010575:Pesticides
Arroser ou ne pas arroser, ce n'est pas la question...