ozi

I. " Mpaghara isi awọ" nke ụkpụrụ Organic

Imepe "Iwu maka mmejuputa iwu nke ngwaahịa Organic," Nkeji edemede 7 nke isi nke 2 depụtara n'ụzọ doro anya ụdị 59 nke pesticides nke osisi na ịnweta sitere na ikike iji. A na-etinyekarị ọgwụ ndị dị ka azadirachtin na pyrethrins. Ọ bụ ezie na a na-akọwapụta ihe ndị a na-esi n'osisi ndị sitere n'okike pụta dị ka "nsi dị ala," ịfesa oke mmiri nwere ike ka na-ebute nsị. Nke kacha echegbu bụ na ụkpụrụ asambodo setịpụrụ oge nchacha ala nke ọnwa 36, ​​mana glyphosate metabolites sitere na usoro ọrụ ugbo gara aga ka nwere ike ịhụ na mmiri dị n'ime ala n'ụfọdụ ntọala na North China Plain.

Okwu nkechlorpyrifosihe fọdụrụ na akụkọ nyocha na-eje ozi dị ka ịdọ aka ná ntị. Otu ntọala enwetara ikike, nke dị n'akụkụ ala ubi ọdịnala, nwere mmetọ na-efesa pesticide n'oge udu mmiri, na-eduga na nchọta 0.02 mg/kg nke organophosphorus fọdụrụ n'ime sample spinach. Nke a "na-agafe agafe mmetọ" na-ekpughe ezughị oke nke usoro ntinye akwụkwọ dị ugbu a na-eleba anya na gburugburu ebe obibi ọrụ ugbo, na-adọwa mgbape na ịdị ọcha nke ọrụ ugbo.

II. Eziokwu ekpughere na Laboratories

Mgbe ị na-eji gas chromatography-mass spectrometry, ndị ọrụ nka na-ewepụta oke nchọpụta maka nlele na ọkwa 0.001 mg/kg. Data na-egosi na 90% nke ihe nlele dị mma nwere ọkwa fọdụrụ naanị 1/50 ruo 1/100 nke ndị nọ na akwụkwọ nri oge ochie, nke dabara na ịwụba mmiri ink abụọ n'ime ọdọ mmiri ọkọlọtọ. Agbanyeghị, ọganihu na teknụzụ nchọpụta ọgbara ọhụrụ enyerela aka ijide ụmụ irighiri ihe n'ogo otu ijeri ijeri, na-eme ka "efu efu" zuru oke bụrụ ọrụ agaghị ekwe omume.

Mgbagwoju anya nke ụdọ ndị na-efe efe karịrị akarị n'echiche. Mmetọ ụlọ nkwakọba ihe n'ihi ụgbọ njem na-asachapụ nke ọma na-akpata 42% nke ọnụego ihe merenụ, ebe mmetọ kọntaktị kpatara site na ntinye agwakọta na shelf ụlọ ahịa ruru 31%. N'ụzọ aghụghọ karịa, ọgwụ nje na-agwakọta na ụfọdụ akụrụngwa fatịlaịza organic na-emecha banye n'ime mkpụrụ ndụ ihe oriri site na nchịkọta bioaccumulation.

III. Ụzọ ezi uche dị na ya iji wughachi ntụkwasị obi

Na-eche akụkọ nnwale ahụ ihu, onye ọrụ ugbo gosipụtara “usoro traceability transperent” ha: Koodu QR na ngwugwu ọ bụla na-enye ohere maka ịza ajụjụ nha nke ngwakọta Bordeaux etinyere yana mkpesa nyocha ala maka kilomita atọ gbara ya gburugburu. Ụzọ a nke itinye usoro mmepụta ihe n'èzí na-ewulite ntụkwasị obi nke ndị ahịa.

Ndị ọkachamara na-ahụ maka nchekwa nri na-akwado ịnakwere "usoro nchacha nke ugboro atọ": ịtinye na mmiri soda iji mebie ọgwụ pesticides na-agbaze abụba, na-eji ultrasonic Cleaner wepụ ihe mgbasa ozi elu, na blanching maka 5 sekọnd na 100 ° C iji mee ka enzymes dị ndụ ghara ịrụ ọrụ. Ụzọ ndị a nwere ike iwepụ 97.6% nke ihe fọdụrụnụ, na-eme ka nchebe ahụike dịkwuo ike.

Data ule ụlọ nyocha ekwesịghị ịbụ ikpe na-agọnarị uru ọrụ ugbo organic. Mgbe anyị tụlere 0.008 mg/kg nke chlorpyrifos foduru na 1.2 mg/kg achọpụtara na celery a na-ahụkarị, anyị ka nwere ike ịhụ uru dị ukwuu nke sistemu mmepụta organic na ibelata iji pesticide. Ikekwe ezi ịdị ọcha anaghị adị na efu efu, kama na efu efu na-aga n'ihu, nke na-achọ ndị na-emepụta ihe, ndị na-achịkwa, na ndị na-azụ ahịa ka ha jikọọ ọnụ na-akpa netwọk dị mma karị.