{"id":45,"date":"2025-02-04T22:38:10","date_gmt":"2025-02-04T22:38:10","guid":{"rendered":"https:\/\/eisberg-romania.ro\/?p=45"},"modified":"2025-02-20T12:15:55","modified_gmt":"2025-02-20T12:15:55","slug":"cum-sinteticele-concureaza-organice-in-agricultura","status":"publish","type":"post","link":"https:\/\/eisberg-romania.ro\/?p=45","title":{"rendered":"Cum sinteticele concureaz\u0103 organice \u00een agricultur\u0103"},"content":{"rendered":"\n<p>Este \u201ecunoscut\u201d faptul c\u0103 pesticidele organice (deriva\u021bii naturali) sunt mai sigure pentru mediu dec\u00e2t pesticidele sintetice. Contrar a ceea ce cred majoritatea oamenilor, \u201eorganic\u201d nu \u00eenseamn\u0103 automat \u201ef\u0103r\u0103 pesticide\u201d sau \u201ef\u0103r\u0103 substan\u021be chimice\u201d. De fapt, \u00een conformitate cu legile majorit\u0103\u021bii statelor, fermierilor organici li se permite s\u0103 foloseasc\u0103 o varietate de spray-uri chimice \u0219i pulberi pe culturile lor.Produsele organice au devenit din ce \u00een ce mai populare \u00een ultimii ani, pe m\u0103sur\u0103 ce consumatorii au devenit mai con\u0219tien\u021bi de s\u0103n\u0103tate \u0219i de mediu. Multe magazine \u0219i supermarketuri au acum sec\u021biuni mari dedicate fructelor \u0219i legumelor organice.<\/p>\n\n\n\n<p>Pare ilogic faptul c\u0103 compu\u0219ii organici sunt cu to\u021bii mai sustenabili dec\u00e2t sinteticii sau invers. Termenul \u201eorganic\u201d are un halou de s\u0103n\u0103tate, determin\u00e2nd mul\u021bi oameni s\u0103 cread\u0103 c\u0103 tehnicile de cre\u0219tere organic\u0103 sunt cele mai bune pentru mediu.<\/p>\n\n\n\n<p>Politicile guvernamentale care \u00eencurajeaz\u0103 utilizarea pesticidelor organice, chiar \u0219i atunci c\u00e2nd eficacitatea acestora nu a fost dovedit\u0103 riguros, se bazeaz\u0103 pe \u0219tiin\u021be discutabile care uneori pot dep\u0103\u0219i inten\u021biile unui viitor mai durabil. Rebecca Hallett (Universitatea din Guelph, Canada) \u0219i colegii s\u0103i au raportat un exemplu de gestionare a c\u0103pu\u0219elor din soia \u00een care pesticidele organice au fost mai d\u0103un\u0103toare dec\u00e2t pesticidele sintetice.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PRODUSE DE S\u0102N\u0102TATE ORGANICE \u0218I PERSONALE<\/h2>\n\n\n\n<p>C\u00e2nd testa\u021bi substan\u021bele chimice sintetice pentru capacitatea lor de a provoca cancer, constata\u021bi c\u0103 aproximativ jum\u0103tate dintre acestea sunt cancerigene.P\u00e2n\u0103 nu demult, nimeni nu se deranja s\u0103 se uite la substan\u021bele chimice naturale (cum ar fi pesticidele organice), deoarece se presupunea c\u0103 acestea prezint\u0103 un risc redus. Dar c\u00e2nd s-a efectuat cercetarea, rezultatele au fost oarecum surprinz\u0103toare: a\u021bi constatat c\u0103 aproximativ jum\u0103tate din substan\u021bele chimice naturale studiate erau, de asemenea, coedogene.<\/p>\n\n\n\n<p>Acesta este un caz \u00een care toat\u0103 lumea (consumatori, fermieri, cercet\u0103tori) face acelea\u0219i gre\u0219eli periculoase. Am presupus c\u0103 substan\u021bele chimice \u201enaturale\u201d erau automat mai bune \u0219i mai sigure dec\u00e2t cele sintetice \u0219i ne-am \u00een\u0219elat. Este imperativ s\u0103 fim mai \u00een\u021belep\u021bi \u00een a accepta \u201enaturalul\u201d nostru ca inofensiv \u0219i inofensiv.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PESTICIDE ORGANICE VERSUS PESTICIDE SINTETICE<\/h2>\n\n\n\n<p>Practicile de agricultur\u0103 ecologic\u0103 au avansat foarte mult utilizarea mijloacelor non-chimice pentru combaterea d\u0103un\u0103torilor, a\u0219a cum am men\u021bionat anterior. Din p\u0103cate, aceste metode non-chimice nu ofer\u0103 \u00eentotdeauna o protec\u021bie suficient\u0103 \u0219i sunt necesare pesticide chimice.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cum se compar\u0103 pesticidele organice cu pesticidele conven\u021bionale?<\/h2>\n\n\n\n<p>Un studiu recent citat pe site-ul Berkeley a comparat eficien\u021ba unui amestec de rotenon\u0103-piretrin\u0103 cu un pesticid sintetic, imidan\u021bi. Rotenona \u0219i piretrina sunt dou\u0103 pesticide organice comune; Imidan este considerat un pesticid sintetic \u201emoale\u201d (adic\u0103, conceput pentru a avea o durat\u0103 de via\u021b\u0103 scurt\u0103 dup\u0103 aplicare \u0219i alte propriet\u0103\u021bi care reduc la minimum efectele nedorite). S-a constatat c\u0103 p\u00e2n\u0103 la 7 aplica\u021bii ale amestecului rotenon\u0103-piretrin\u0103 erau necesare pentru a ob\u021bine nivelul de protec\u021bie oferit de 2 aplica\u021bii ale imidanului.<\/p>\n\n\n\n<p>Pare pu\u021bin probabil ca cele 7 aplica\u021bii ale rotenonei \u0219i piretrinei s\u0103 fie de fapt mai bune pentru mediu dec\u00e2t 2 aplica\u021bii ale imidanului, mai ales atunci c\u00e2nd rotenona este extrem de toxic\u0103 pentru pe\u0219ti \u0219i alte vie\u021bi acvatice.<\/p>\n\n\n\n<p>Trebuie men\u021bionat, totu\u0219i, c\u0103 nu suntem siguri care sistem este mai periculos. Acest lucru se datoreaz\u0103 faptului c\u0103 nu vedem pesticidele organice \u00een acela\u0219i mod \u00een care privim pesticidele conven\u021bionale. Nu \u0219tim c\u00e2t dureaz\u0103 aceste pesticide organice \u00een mediul \u00eenconjur\u0103tor sau amploarea efectelor lor.<\/p>\n\n\n\n<p>C\u00e2nd privi\u021bi lista pesticidelor permise \u00een agricultura ecologic\u0103, \u00eent\u00e2lni\u021bi avertismente precum \u201eFolosi\u021bi cu precau\u021bie. [Pesticidul organic X] nu este \u00een mare parte cunoscut efectele toxicologice\u201d sau \u201ePersisten\u021ba sa \u00een sol nu este cunoscut\u0103\u201d Din nou, cercet\u0103torii nu s-au deranjat s\u0103 studieze efectele pesticidelor organice, deoarece au presupus c\u0103 substan\u021bele chimice \u201enaturale\u201d sunt automat sigure.<\/p>\n\n\n\n<p>Agricultura ecologic\u0103 folose\u0219te (\u00een general) pesticide, doar c\u0103 nu sunt fabricate sintetic, \u00een timp ce fermele conven\u021bionale pot folosi at\u00e2t naturale c\u00e2t \u0219i sintetice.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Este \u201ecunoscut\u201d faptul c\u0103 pesticidele organice (deriva\u021bii naturali) sunt mai sigure pentru mediu dec\u00e2t pesticidele sintetice. Contrar a ceea ce cred majoritatea oamenilor, \u201eorganic\u201d nu \u00eenseamn\u0103 automat \u201ef\u0103r\u0103 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-45","post","type-post","status-publish","format-standard","hentry","category-eisberg-romania"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cum sinteticele concureaz\u0103 organice \u00een agricultur\u0103<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/eisberg-romania.ro\/?p=45\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cum sinteticele concureaz\u0103 organice \u00een agricultur\u0103\" \/>\n<meta property=\"og:description\" content=\"Este \u201ecunoscut\u201d faptul c\u0103 pesticidele organice (deriva\u021bii naturali) sunt mai sigure pentru mediu dec\u00e2t pesticidele sintetice. 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