Tijaabooyin lagu sameeyay dhirta kaabashka ayaa sheegaya in bacrimiyeyaasha laga helo kaadida dadka iyo saxarada ay badbaado yihiin oo ay ka caawin karaan inay hoos u dhigaan qiimaha cuntada.
Bacriminta laga helo kaadida iyo saxarada bini'aadamka ee dib loo warshadeeyay ayaa sidoo kale badbaado iyo waxtar u leh sida kuwa caadiga ah, marka loo eego tijaabooyinka dhirta kaabajka. Isticmaalka qashinka bini'aadamka habkan wuxuu kaa caawin karaa yaraynta bacriminta yaraanta taas oo gacan ka geysanaysa kor u kaca qiimaha cuntada - haddii dadku ku qanci karaan inay isticmaalaan.
Bacriminta Nitrogen-ku salaysan waxaa lagu farsameeyaa a habka tamarta-xoog leh isticmaalka gaaska dabiiciga ah sida alaabta ceeriin. Qashinka bini'aadamku wuxuu noqon karaa il wanaagsan oo laga helo nafaqooyinka dhirta sida nitrogen iyo fosfooraska, laakiin sidoo kale waxay qaadi karaan cudur-sideyaasha iyo dulinnada, sidaas darteed waxay u baahan tahay in si taxadar leh loo daaweeyo si looga dhigo mid ammaan ah. Weli waxaa loo isticmaalaa - mararka qaarkood lama daweyn - sida bacriminta ee qaar ka mid ah wadamada dakhligoodu hooseeyo, laakiin inta badan waa laga tagay wadamada dakhligoodu sarreeyo.
Franziska Häfner at Agroscope ee Zurich, Switzerland, iyo asxaabteeda waxay is barbar dhigeen kaabajka la beeray iyadoo la adeegsanayo bacriminta organic ee laga helo vinasse, oo ah wax soo saarka ethanol, oo leh bacrimiyeyaasha laga sameeyay kaadida iyo saxarada bini'aadamka ee la daweeyay.
Wax-soo-saarka kaabashka lagu beeray bacriminta kaadida nitrified (NUFs) waxay la mid ahayd kuwa lagu beeray vinasse. Kaabashka lagu koray compost saxarada, ama compost iyo NUFs wada jir ah, ayaa lahaa waxsoosaar hoose, laakiin bacrimintani waxay kordhin kartaa kaarboonka carrada muddada fog, daraasadda ayaa lagu ogaaday.
Cilmi-baarayaashu waxay sidoo kale tijaabiyeen in ka badan 300 kiimiko ah oo ku jira qashinka saxarada, oo ay ku jiraan dawooyinka, dab-dejinta iyo cayayaanka. Kaliya 6.5 boqolkiiba kuwan ayaa la ogaaday, dhammaantood waxay ahaayeen kuwo aad u hooseeya. 11-ka dawo ee dawooyinka laga helay compost-ka, laba kaliya ayaa laga helay qaybaha la cuni karo ee kaabashka: xanuun baabiiyaha ibuprofen iyo daawada convulsant iyo niyadda xasilinta carbamazepine. Laakin xooga saarida kan dambe aad ayuu u hooseeyay waxaad u baahan doontaa inaad cuntid nus milyan kaabash si aad u hesho hal qiyaas.
"Badeecadaha ka soo baxa dib-u-warshadaynta kaadida iyo saxarada bini'aadamka ayaa ah bacrimiyeyaasha nitrogen ee badbaadada leh ee beerashada kaabajka," Häfner ayaa ku yiri hadal uu soo saaray. "Waxay bixiyeen wax-soo-saar la mid ah sida bacriminta caadiga ah, mana muujin wax khatar ah oo ku saabsan gudbinta cudur-sidaha ama daawooyinka."
Xigasho: https://www.newscientist.com