labarai

I. "Yankin Grey" na Ka'idodin Halittu

Bude "Dokokin Aiwatar da Takaddun Takaddun Kayan Halitta," Mataki na 7 na Babi na 2 a fili ya lissafa nau'ikan magungunan kashe qwari guda 59 na tushen shuka da ma'adinai waɗanda aka ba su izinin amfani. Magungunan biopesticide irin su azadirachtin da pyrethrins an haɗa su da yawa. Ko da yake waɗannan abubuwan da aka fitar daga tsire-tsire na halitta an ayyana su a matsayin "ƙananan guba," yawan fesa zai iya haifar da raguwa. Babban abin damuwa shine ka'idodin takaddun shaida sun saita lokacin tsarkakewar ƙasa na watanni 36, amma ana iya gano ƙwayoyin glyphosate daga yanayin aikin noma da suka gabata a cikin ruwan ƙasa a wasu sansanonin a Filin Arewacin China.

Al'amuranchlorpyrifosragowar a cikin rahotannin gwaji sun zama gargaɗi. Ɗaya daga cikin ƙwararrun tushe, kusa da ƙasar noma na gargajiya, ta sha fama da gurɓataccen gurɓataccen ƙwayar cuta a lokacin damina, wanda ya kai ga gano 0.02 mg/kg na ragowar organophosphorus a cikin samfuran alayyafo. Wannan “ƙazanta mara kyau” tana fallasa gazawar tsarin ba da takardar shaida da ake da shi wajen sa ido sosai kan yanayin noma, yana lalata tsaftar aikin noma.

II. Gaskiya Ta Bayyana A Dakunan gwaje-gwaje

Lokacin amfani da iskar gas chromatography-mass spectrometry, masu fasaha sun saita iyakar gano samfuran a matakin 0.001 mg/kg. Bayanai sun nuna cewa kashi 90% na samfurori masu inganci suna da ragowar matakan kawai 1/50 zuwa 1/100 na waɗanda ke cikin kayan lambu na yau da kullun, daidai da sauke digo biyu na tawada a cikin daidaitaccen wurin shakatawa. Duk da haka, ci gaban fasahar ganowa ta zamani ya ba da damar kama kwayoyin halitta a matakin biliyan daya cikin biliyan, wanda ya mai da cikakkiyar "ragowar sifili" aikin da ba zai taba yiwuwa ba.

Matsalolin sarƙoƙi na ƙetare ya wuce tunani. Gurɓatar gidan ajiya saboda ƙarancin tsabtace motocin jigilar kayayyaki yana da kashi 42% na adadin abin da ya faru, yayin da gurɓacewar hulɗar da ke haifar da haɗaɗɗen jeri a kan manyan kantunan kantuna yana da kashi 31%. Ƙarin wayo, ƙwayoyin rigakafi sun gauraya cikin wasu albarkatun taki daga ƙarshe suna shiga ƙwayoyin kayan lambu ta hanyar haɓakar ƙwayoyin cuta.

III. Hanyar Hankali don Sake Gina Dogara

Da yake fuskantar rahoton gwajin, wani manomin kwayoyin halitta ya baje kolin "tsarin gano gaskiya": Lambar QR akan kowane fakitin ta ba da damar yin tambaya ga adadin cakuda Bordeaux da aka yi amfani da shi da kuma rahoton gwajin ƙasa na kusan kilomita uku. Wannan tsarin sanya hanyoyin samarwa a fili shine sake gina kwarin gwiwar mabukaci.

Masana lafiyar abinci sun ba da shawarar yin amfani da "hanyar tsarkakewa sau uku": jiƙa a cikin ruwan soda don lalata magungunan kashe qwari mai narkewa, ta yin amfani da mai tsabtace ultrasonic don cire adsorbates na saman, da yin amfani da shi don 5 seconds a 100 ° C don kunna enzymes na halitta. Wadannan hanyoyin zasu iya kawar da kashi 97.6% na abubuwan da suka rage, suna sa layin tsaron lafiya ya fi karfi.

Bayanan gwajin dakin gwaje-gwaje bai kamata ya zama hukunci mai musun kimar aikin gona ba. Idan muka kwatanta 0.008 mg/kg na chlorpyrifos saura tare da 1.2 mg/kg da aka gano a cikin seleri na al'ada, har yanzu muna iya ganin gagarumin tasiri na tsarin samar da kwayoyin halitta wajen rage amfani da magungunan kashe qwari. Wataƙila tsafta ta gaskiya ba ta kwanta cikin sifili ba, amma a ci gaba da gabatowa sifili, wanda ke buƙatar masu samarwa, masu gudanarwa, da masu siye su haɗa haɗin gwiwa mai inganci.