Ihe na-egbu egbu na-ezo aka na ọgwụ ndị a na-eji na-arụ ọrụ ugbo iji gbochie ma chịkwaa ọrịa osisi na ụmụ ahụhụ ụmụ ahụhụ ma na-achịkwa uto osisi. A na-ejikarị eme ihe n'ubi, oke ohia na mmepụta anụ ụlọ, gburugburu ebe obibi na ụlọ ọcha, njikwa pests na mgbochi ọrịa na-efe efe, ihe ọkụkụ mmepụta ihe na mgbochi nla, wdg E nwere ọtụtụ ụdị pesticides, nke nwere ike kewaa n'ime ụmụ ahụhụ, acaricides, rodenticides, nematicides. , molluscicides, fungicides, herbicides, ndị na-ahụ maka uto osisi, wdg dịka ojiji ha si dị; enwere ike kewaa ha na mineral dịka isi iyi nke akụrụngwa si dị. Isi iyi pesticides (ọgwụ pesticides inorganic), ọgwụ pesticides isi iyi (ihe sitere n'okike, microorganisms, ọgwụ nje, wdg) na kemịkalụ synthesized ...