Trial results onion fly and bean seed fly
role in the biological control
of many pests.
Meet Frank Keijzer, the owner of a 57-hectare organic arable farm and is growing a wide variety
of crops [...] 1986, many years of experience have gone into the selection, production
and quality control of our beneficial nematodes. Each of the nematodes produced [...] nematodes feed on the digested
tissues of the dead insect and reproduce in large numbers. The pest insect stops feeding soon after being
infested, and dies within