Ewetara akwụkwọ iwu iji dokwuo anya echiche nke "ọgwụ pesticides" na "agrochemicals" na ọgụgụ mbụ.
Dị ka akwụkwọ ahụ si dị, a na-ewepụ ihe mgbakwunye nri ezubere maka inye anụmanụ nri na nkọwa nke "agrochemicals".
Amanyere iwu obodo ndebanye aha dị ka agrochemicals nke ụfọdụ edemede na ụdị nke ihe sitere n'okike na-abụghị ngwaahịa nke chemical mmepụta na-eji na-arụ ọrụ ugbo maka nzube nke ichekwa, ịchịkwa na-amụba ala ọmụmụ na-ewepụ.
Ndị a na-agụnye peat, sugar mmepụta n'efu (ịsacha), anụmanụ n'efu ngwaahịa (awụba n'oké osimiri, nri), ala sediments nke reservoirs, nsị sludge, nke bụ akụrụngwa maka mmepụta nke organic na organomineral fatịlaịza, nakwa dị ka agwakọta mineral fatịlaịza mejupụtara nke mejupụtara. ịnweta fatịlaịza ndị edenyere aha ha n'akwụkwọ bụ ndị gafeworo ndebanye aha steeti n'usoro iwu kwadoro.
N'ihi ya, ọ gaghị adị mkpa ịdebanye aha fatịlaịza ịnweta fatịlaịza agwakọta.
N'otu oge ahụ, a tụrụ aro iji belata oge nyocha maka nsonaazụ ndebanye aha nke ọgwụ pesticides na agrochemicals site na ọnwa isii ruo ọnwa atọ, yana iwelie oge maka ndebanye aha obodo.