{"id":67136,"date":"2021-03-11T15:58:42","date_gmt":"2021-03-11T20:58:42","guid":{"rendered":"https:\/\/www.agribusinessglobal.com\/?p=67136"},"modified":"2021-03-09T16:01:53","modified_gmt":"2021-03-09T21:01:53","slug":"study-safe-simple-additive-could-cut-agrochemical-pollution","status":"publish","type":"post","link":"https:\/\/www.agribusinessglobal.com\/pt\/agrochemicals\/adjuvants\/study-safe-simple-additive-could-cut-agrochemical-pollution\/","title":{"rendered":"Estudo: Aditivo seguro e simples pode reduzir polui\u00e7\u00e3o agroqu\u00edmica"},"content":{"rendered":"<p>Adicionar um pol\u00edmero simples a fertilizantes ou pesticidas pode reduzir drasticamente a polui\u00e7\u00e3o agr\u00edcola, sugere um novo estudo realizado por pesquisadores da Universidade da Col\u00fambia Brit\u00e2nica. <a href=\"https:\/\/www.sciencedaily.com\/releases\/2021\/03\/210309105200.htm#:~:text=Adding%20a%20simple%20polymer%20to,pollution%2C%20suggests%20a%20new%20study.&amp;text=FULL%20STORY-,Adding%20a%20simple%20polymer%20to%20fertilizers%20or%20pesticides%20could%20dramatically,the%20University%20of%20British%20Columbia.\" target=\"_blank\" rel=\"noopener\">relat\u00f3rios <em>Ci\u00eancia Di\u00e1ria<\/em><\/a>.<\/p>\n<p>Quando agroqu\u00edmicos s\u00e3o pulverizados em planta\u00e7\u00f5es, uma grande quantidade geralmente acaba no ambiente ao redor devido a got\u00edculas que espirram, ricocheteiam ou rolam das plantas alvo.<\/p>\n<p>Essa quantidade poderia ser reduzida pelo menos pela metade misturando fertilizantes e pesticidas com uma pequena quantidade de \u00f3xido de polietileno, um aditivo polim\u00e9rico comum que melhora a capacidade das solu\u00e7\u00f5es agroqu\u00edmicas de aderirem \u00e0s superf\u00edcies das plantas, concluiu o estudo.<\/p>\n<p>\u201cOutros estudos exploraram maneiras de diminuir a perda de agroqu\u00edmicos para o meio ambiente\u201d, diz John Frostad, l\u00edder do estudo e professor de engenharia qu\u00edmica e biol\u00f3gica na UBC. \u201cMas este \u00e9 o primeiro a quantificar os resultados usando condi\u00e7\u00f5es de pulveriza\u00e7\u00e3o realistas que podem ser traduzidas diretamente do laborat\u00f3rio para aplica\u00e7\u00f5es de campo.\u201d<\/p>\n<p>Para conduzir o estudo, Frostad e seus colegas constru\u00edram um dispositivo em escala de laborat\u00f3rio que permite que l\u00edquidos sejam pulverizados em superf\u00edcies por meio de bicos agr\u00edcolas reais. O dispositivo tamb\u00e9m permite que os usu\u00e1rios, pela primeira vez, me\u00e7am precisamente quanto l\u00edquido permanece em uma superf\u00edcie ap\u00f3s ter sido pulverizado em press\u00f5es industriais e taxas de deposi\u00e7\u00e3o em um ambiente de laborat\u00f3rio.<\/p>\n<p>A equipe descobriu que combinar uma solu\u00e7\u00e3o fertilizante com uma quantidade min\u00fascula de \u00f3xido de polietileno \u2014 um pol\u00edmero ambientalmente seguro amplamente utilizado em cosm\u00e9ticos e aplica\u00e7\u00f5es biom\u00e9dicas \u2014 melhorou significativamente a viscosidade do fertilizante.<\/p>\n<p><a href=\"https:\/\/www.sciencedaily.com\/releases\/2021\/03\/210309105200.htm#:~:text=Adding%20a%20simple%20polymer%20to,pollution%2C%20suggests%20a%20new%20study.&amp;text=FULL%20STORY-,Adding%20a%20simple%20polymer%20to%20fertilizers%20or%20pesticides%20could%20dramatically,the%20University%20of%20British%20Columbia.\" target=\"_blank\" rel=\"noopener\">Continue lendo em <em>Ci\u00eancia Di\u00e1ria.<\/em><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Adicionar um pol\u00edmero simples a fertilizantes ou pesticidas pode reduzir drasticamente a polui\u00e7\u00e3o agr\u00edcola, sugere um novo estudo.<\/p>","protected":false},"author":110,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-67136","post","type-post","status-publish","format-standard","hentry","category-adjuvants"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - 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