Ahịhịa ájá bụ osisi “mkpado” nke yiri ahịhịa.Ọ na-awakpokarị ahịhịa ndị dị obere, ọkachasị n'oge ọkọchị.Ya mere, njikwa kacha mma nke ahịhịa a bụ ahịhịa siri ike ma dị mma.Otú ọ dị, ọ bụrụ na ahịhịa gị dị gịrịgịrị nke ukwuu n'oge opupu ihe ubi a na ájá ahịhịa nke afọ gara aga bụ nsogbu, jiri ọgwụ mgbochi nke na-ebute ụzọ tupu ájá ájá apụta.Agbanyeghị, ọ bụghị ọgwụ herbicides niile butere ụzọ dị irè.Ngwaahịa atọ nwere ike inye aka belata mkpụkọ ahịhịa bụ ahịhịa, pendimethalin na propylene diamine.
A na-ere Oryzalin n'okpuru aha aha Ageruo.Enwere ike iji ya na ahịhịa oge na-ekpo ọkụ na ahịhịa fescue toro ogologo.Ewezuga ahịhịa fescue na ahịhịa ndị ọzọ toro ogologo, e kwesịghị iji ya na ahịhịa n'oge oyi, dị ka Kentucky bluegrass.Enwere ike ree Oryzalin na benefin dịka ngwaahịa ngwakọta nke Green Light Amaze.Dị ka naanị ahịhịa ahịhịa, enwere ike iji ya maka ahihia na-ekpo ọkụ n'oge niile na ahịhịa fescue toro ogologo.Ewezuga ahịhịa fescue na ahịhịa ndị ọzọ toro ogologo, e kwesịghị iji ya na ahịhịa n'oge oyi, dị ka Kentucky bluegrass.
A na-ere Pendimethalin dị ka pendulum n'ahịa, enwerekwa ọtụtụ aha ndị ọzọ.N'akụkụ onye nwe ụlọ, a na-ere ya dị ka Scotts Halts.Ọ kacha mma iji Pendimethalin dị iche iche, a ga-etinye ọkara nke mbụ n'ihe dị ka Eprel 15, na akụkụ nke abụọ ga-etinye ya na gburugburu June 1st.Ma ọ bụ, mee ngwa mbụ mgbe osisi bauhinia na-eto, na izu isii ka izu nke abụọ gasịrị.
A na-ere propylenediamine n'okpuru aha ahia Barricade.A na-erekwa ya dị ka ngwaahịa onye nwe ụlọ Howard Johnson Crabgrass Control Plus na 0.37 Prodiamine 00-00-07.Enwere ike iji ya na ahịhịa ahịhịa anyị niile.Ihe dị ka Eprel 15 ma ọ bụ mgbe bauhinia na-eto, a ka na-etinye spartana.Naanị otu ngwa ka achọrọ kwa afọ.
Enweghị ike ịchịkwa "herbicide" kpamkpam, mana onye ọ bụla kwesịrị inye aka.Quinclorac (drive) nwere ike inye ụfọdụ nchịkwa nchịkwa mgbe ọ gasịrị, karịsịa ma ọ bụrụ na ájá ájá dị na ogbo seedling.