Daraasad ka socota Beeraha iyo Agri-Food Canada (AAFC) ayaa muujisay in dhirta casaanka ahi ay faa'iido u yeelan karto haddii la beero ka hor baradhada, AAFC ayaa sidaas ku sheegtay war-saxaafadeed ay soo saartay Febraayo 24. Yefang Jiang, a AAFC cilmi baare, ayaa dhowaan dhameystiray daraasad lix sano ah si loo ogaado sida dhirta casaanka ahi u saameyso heerarka nitrogen ee carrada iyo biyaha inta lagu guda jiro wareegga dalagga ee Jasiiradda Prince Edward.
Dhirta guduudan ayaa la beeray ka dibna la faqay ciidda dayrta kahor baradho la beeray. Dalaggu wuxuu noqday isha nitrogen adoo matalaya bacrimin dabiici ah taas oo ka caawisay koritaanka dhirta baradhada, qoraalada sii deynta.
"Si kastaba ha noqotee, iyada oo aan si habboon looga xisaabtamin nitrogen-ka ka soo baxa dhirta, beeralayda ayaa si aad ah u codsan kara bacriminta synthetic ee baradhada haddii ay raacaan tilmaamaha lagu taliyay ee PEI ee ah 17 kg N / ha," ayaa lagu sharraxay Jiang.
Naytarojiinkan xad-dhaafka ah wuxuu geli karaa biyaha dhulka hoostiisa, durdurrada iyo estuaries oo ah qaab amooniyam ah oo saameyn ku yeelan kara tayada biyaha, ayaa lagu sii daayay. Bacriminta xad-dhaafka ah ayaa sidoo kale xakamayn karta dhalidda baradhada.
Jiang waxa kale oo ay ogaatay in lagu beero dalaga soybeerka wareegga halkii laga dhigi lahaa midab cas cas waxay wanaajisay waxtarka isticmaalka nitrogen ilaa 1.6 jeer waxayna kordhisay waxsoosaarka baradhada 13.4 boqolkiiba.
"Soybean wuxuu abuuri karaa soo celin dhaqaale oo wanaagsan oo beeraleyda ah muddo gaaban, laakiin waxay yareyn kartaa walxaha dabiiciga ah ee carrada muddada fog," ayuu yiri Jiang.
Si loo hagaajiyo walxaha dabiiciga ah ee ciidda, Jiang waxay ku talineysaa beeraleyda inay tixgeliyaan soybean marka ay wareegayaan waa inay ku beeraan dalag haraaga ah sida cawska meseggo-sudan oo ah wehel wehel