Domin ciyawar, manoma suna amfani da kayan aiki da hanyoyi daban-daban.Ta hanyar fahimtar ƙarfi da raunin kowane kayan aiki, manoma za su iya yanke shawara mafi kyau don ayyukansu don kawar da ciyayi mara kyau.
Wani kayan aiki da manoma za su iya amfani da su don magance ciyawa shine amfani da maganin ciyawa.Sabon bincike yana taimaka mana mu fahimci takamaiman maganin ciyawa: r-toluene.
Ruridane na ɗaya daga cikin magungunan ciyawa da aka fi amfani da su a Amurka.Ana iya amfani da ita wajen magance ciyawa a cikin amfanin gona irin su masara, dawa, rake da kuma dawa.Sinadarin yana kashe ciyawa ta hanyar hana photosynthesis a cikin tsirrai.
Kamar magungunan ciyawa da ake amfani da su a dejin, fa'idar ita ce tana iya rage buƙatar noma.Baya ga cutar da lafiyar kasa, noma kuma na iya kara zazzage kasa mai daraja.Rage noma yana hana zaizayar ƙasa kuma yana kiyaye tsarin ƙasa mai kyau, ta yadda zai kare ƙasarmu.
Bayan an shafa sinadarin a filin, atrazine yana rubewa a cikin kasa zuwa wani fili da ake kira desethylatrazine (DEA).Wannan abu ne mai kyau saboda DEA ba ta da guba ga halittun ruwa fiye da atrazine.
A cikin 'yan shekarun nan, amfani da at to Tianjin yana raguwa.Duk da haka, ko da yake amfani da atrazine ya ragu, ƙaddamar da haɗin gwiwa na DEA yana karuwa.
Ryberg, wanda ke aiki a Cibiyar Nazarin Yanayin Kasa ta Amurka, yana son tantance wasu dalilai baya ga amfani da ke shafar yanayin yawan maganin ciyawa a cikin rafi.
Mafi yawan juzu'i na atrazine zuwa DEA shine ta ayyukan ƙwayoyin cuta na ƙasa-kamar fungi da ƙwayoyin cuta.Sabili da haka, mafi yawan hulɗar atrazine tare da ƙananan ƙwayoyin ƙasa, da sauri da saurin lalacewa.
"Bisa ga binciken da ya gabata, mun annabta abubuwan da suka shafi ƙaddamar da ƙaddamarwa a cikin rafi," in ji Ryberg."Wadannan sun haɗa da magudanar ruwa, yanayi, yanayi da wuraren dashen masara a cikin ayyukan gudanarwa."
"A cikin bincikenmu, mun yi amfani da bayanan da suka wanzu waɗanda suka mamaye yankuna da yawa na ƙasar daga 2002 zuwa 2012," in ji Ryberg.Sa'an nan, yi amfani da samfurin don nazarin bayanan da gwada hasashen ƙungiyar na musabbabin abubuwan da ke faruwa a cikin r da DEA.
A cikin 1990s, sababbin ka'idoji sun warware matsalar gurɓataccen ruwa.Wadannan ka'idoji sun rage yawan amfani da kayan amfanin gona, har ma sun hana amfani da abinci a kusa da rijiyoyi.Manufar ita ce a rage jimlar ƙaddamarwa a cikin ruwa.
Ryberg ya ce: "Tattaunawa da yanayin amfani sun nuna cewa dokokin da suka gabata don lalata, musamman a tsakiyar Yamma, sun yi nasara.""Ƙarin ƙaddamarwa yana rushewa cikin DEA kafin ya shiga rafi."
Kodayake wuraren da aka shuka masara sun karu tsakanin 2002 da 2012, bincike ya nuna cewa amfani da atrazine ya ragu a yawancin sassan Amurka.
Binciken Ryberg ya kuma gano cewa a cikin busassun wuraren da babu magudanar tile, jujjuyawar atrazine ya fi sauri.Ana iya shigar da bututun magudanan fale-falen fale-falen buraka a karkashin kasa a cikin gonaki don taimakawa ruwa da kuma hana ambaliya.Magudanan fale-falen buraka kamar magudanan ruwan sama ne a filayen noma.
Saboda magudanan tayal na iya taimakawa ruwan filin gudu da sauri ta cikin bututun karkashin kasa, ruwan yana da karancin lokacin tuntuɓar ƙasa.Saboda haka, ƙananan ƙwayoyin ƙasa suna buƙatar ɗan lokaci don ɗaukar ruwa daga DEA zuwa rafukan da ke kusa kafin ruwa ya rushe atrazine zuwa DEA.
Wannan binciken na nufin matakin zuwa Tianjin na iya fuskantar kalubale a nan gaba.Kamar yadda manoma ke tsammanin sauyin yanayi da yanayin filin jika, domin shuka amfanin gona a ƙarƙashin yanayin ƙasa mai kyau, ana iya buƙatar ƙarin na'urorin magudanar ruwa.
Da yake kallon nan gaba, Ryberg yana fatan sa ido kan magungunan kashe qwari a kan wannan.Ryberg ya bayyana cewa: "Ci gaba da sa ido yana da mahimmanci don fahimtar lalacewa da tsarin sufuri na magungunan kashe qwari."
Manoma za su ci gaba da daidaita yanayin canjin yanayi, gami da al'ummomin ciyawa.Amfani da magungunan kashe qwari zai canza, kuma sa ido kan sabbin magungunan kashe qwari ko gaurayawan magungunan kashe qwari a cikin muhalli kalubale ne mai gudana.
Kayayyakin da Cibiyar Nazarin Aikin Gona ta Amurka ta bayar.Lura: Kuna iya shirya salo da tsayin abun ciki.
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