il s'agit essentiellement d'insecte

il s'agit essentiellement d'insectes, de petites araignées, de

vers, de micro-organismes et de champignons microscopiques. ces ravageurs de cultures se multiplient rapidement et massivement obligeant l'agriculteur à intervenir très souvent pour éviter leur prolifération et pour limiter les ravages. le moyen le plus employé est la lutte chimique( insecticides et fongicides) mais elle présente de nombreux inconvénients, c'est pourquoi de nombreuses recherches sont conduites pour mettre au point une autre stratégie de lutte

النتائج (الإنجليزية) 1:

it is essentially insects, small spiders,
to, micro-organisms and fungi. these crop pests multiply rapidly and massively forcing the farmer to intervene frequently to prevent proliferation and to limit the damage.the most commonly used method is chemical control (insecticides and fungicides), but it has many disadvantages, so much research is conducted to develop a different strategy

النتائج (الإنجليزية) 2:

It is mainly insects, small spiders, of

to, micro-organisms and fungi. these pests of crops grow quickly and massively forcing the farmer to intervene very often to prevent their proliferation and to limit the devastation. the most used way is chemical control (insecticides and fungicides) but it has many drawbacks, this is why many searches are being conducted to develop an alternative strategy to combat

النتائج (الإنجليزية) 3:

It is essentially of insects and small spiders,

to, micro-organisms and fungi these pests of crops are proliferating rapidly and massively forcing the farmer to intervene very often to avoid their proliferation and to limit the ravages.The way the more employee is the chemical control( insecticides and fungicides) but it has many disadvantages, which is why many searches are conducted to develop another strategy to fight