Bo-rasaense ba Univesithing ea Purdue ba batla hore lihoai li kenye letsoho mererong e 'meli e reretsoeng ho ntlafatsa litekanyetso tsa tšebeliso ea manyolo le litekanyetso tsa ho jala lijalo bakeng sa lijalo tse fapaneng. David Cammarano, motlatsi oa moprofesa oa thuto ea temo, o tla sebelisa mahlale a hole le mahlale a data ho eketsa phaello ea polasing ha a ntse a fokotsa kotsi ea tikoloho.
Morero oa pele, morero o kopanetsoeng pakeng tsa Univesithi ea Minnesota le Purdue, o batla ho fumana lihoai tsa Indiana le Minnesota tse ikemiselitseng ho leka letoto la mekhoa ea kopo ea naetrojene. Pele ba lema poone, ba tla kopuoa ho sebelisa likhahla tse fapaneng tsa naetrojene ka har'a likhoele. Hamorao, bafuputsi ba tla fumana linepe tsa masimo a sathelaete kapa a moeeng 'me ba sebelise lintlha tsena ho hlahisa litaelo tse fapaneng tsa manyolo a naetrojene.
Kajeno, ke liperesente tse 20 feela tsa lihoai tsa Midwest tse sebelisang naetrojene mapolasing a bona. Liphuputso li tla thusa Cammarano le basebetsi-'moho le eena ho fumana litekanyetso tsa kopo tse fanang ka melemo e meholo ka ho fetisisa ea temo, moruo le tikoloho bakeng sa maemo a fapaneng a mapolasi, ho lumella lihoai tse ngata ho kenya ts'ebetsong maano a ts'ebeliso ea naetrojene ka kholiseho.
"Boitsebiso boo re bo bokellang bo tla re thusa ho theha merero ea ho sebelisa naetrojene maemong a itseng le bakeng sa lijalo tse ikhethileng," ho boletse Cammarano, eo boiphihlelo ba hae bo kenyelletsang mohlala oa lijalo, ho lemoha hole le temo e nepahetseng. "Re sebelisa lisebelisoa tsa temo tsa dijithale ho fana ka melemo e mengata ho bahlahisi le tikoloho."
Bafuputsi ba batla kakaretso ea masimo a 10 a bonyane lihekthere tse 30 ka boholo literekeng tse fapaneng ka ho ba kotsing ea ho silafatsoa ke nitrate ea metsi a ka tlas'a lefatše. Tsena e tla ba litereke tsa Jasper, Cass, Miami, Carroll, Blackford, Henry, Hendricks, Shelby, DuBois le Vanderburgh tse Indiana.
Lihoai li tlameha ho tšoaneleha bakeng sa Lenaneo la Litšusumetso tsa Boleng ba Tikoloho (EQUIP) le ho ba le moeletsi oa lijalo ea ikemiselitseng ho sebelisana le morero. Khetho e fuoa ba nang le limmapa tsa ts'ebeliso ea manyolo, masimo, chai le lintlha tsa sampole ea mobu bakeng sa lilemo tse robeli ho isa ho tse leshome tse fetileng.
Lihoai tse nkang karolo lipatlisisong li tla fumana US$1000 le matšeliso bakeng sa tahlehelo efe kapa efe ea lijalo. Baeletsi ba lijalo ba tla lefshoa $300 tšimong ka 'ngoe.
Morero oa bobeli oa tšebelisano o etelletsoeng pele ke Univesithi ea Illinois o batla bahlahisi ba k'hothone, poone, soya le koro ho tsoa Indiana, Arkansas, Idaho, Illinois, Louisiana, Texas, Michigan, Minnesota, Montana, Nebraska, North Dakota, Ohio, South Dakota, le Washington ho ntlafatsa maano a manyolo.
Bafuputsi ba tla fana ka lisebelisoa tseo lihoai li ka li sebelisang ho etsa litlhahlobo tse tobileng, tse tsamaisoang ke data mabapi le litlamorao tsa moruo le tikoloho tsa naetrojene, phosphorus le maano a taolo ea sekhahla sa peo.
"Re batla menyetla ea hore balemi ba rue molemo ka ho fetisisa litekanyetsong tsa bona tsa peo le manyolo," ho boletse Cammarano. "Haeba re ka fumana sebaka se monate sa ho fumana chai e ngata ka tekanyo e nyane ea manyolo, re ke ke ra rua molemo moruong feela, empa le tikolohong."