Monitoring of insects and natural enemies in their food chain under different tillage systems.

agent de lutte biologique agentes de control biológico biological control agents conservation tillage cropping systems enemigos naturales ennemi naturel gestion du sol insecte nuisible insectos dañinos labranza labranza de conservación manejo del suelo natural enemies pest insects sistemas de cultivo soil management système de culture tillage travail du sol travail du sol de conservation