{"id":4029,"date":"2018-11-07T14:23:00","date_gmt":"2018-11-07T14:23:00","guid":{"rendered":"https:\/\/www.ldc.com\/br\/?post_type=stories-insight&#038;p=4029"},"modified":"2020-04-20T16:47:05","modified_gmt":"2020-04-20T14:47:05","slug":"parte-2-a-semente-que-alimentou-o-mundo-revolucao-na-agricultura","status":"publish","type":"stories-insight","link":"https:\/\/www.ldc.com\/br\/pt\/stories-insights\/parte-2-a-semente-que-alimentou-o-mundo-revolucao-na-agricultura\/","title":{"rendered":"Parte 2: A semente que alimentou o mundo: revolu\u00e7\u00e3o na agricultura"},"content":{"rendered":"\n<p>Depois de o trigo passar a ser amplamente cultivado&nbsp;<a rel=\"noreferrer noopener\" href=\"https:\/\/www.ldc.com\/blog\/our-roots\/part-1-seed-fed-humanity-wheats-humble-origins\/\" target=\"_blank\">no Oriente M\u00e9dio e na \u00c1sia<\/a>, surgiram mais inova\u00e7\u00f5es agr\u00edcolas ainda que lentamente. Passaram-se quase 3 mil anos para que os agricultores chineses desenvolvessem um peiteirar de cavalo que, ao n\u00e3o pressionar a traqueia do animal, permitia que os animais puxassem cargas mais pesadas e arassem mais&nbsp;<a rel=\"noreferrer noopener\" href=\"https:\/\/www.economist.com\/node\/5323362\" target=\"_blank\">r\u00e1pido que um boi<\/a>.<\/p>\n\n\n\n<p>Em seguida, outro marco importante na produ\u00e7\u00e3o de trigo ocorreu na Inglaterra quase 2 mil anos depois, quando Jethro Tull, um pioneiro agr\u00edcola de Berkshire, inventou o semeador. At\u00e9 1701, os agricultores ainda cultivavam trigo manualmente, da mesma forma como faziam desde 9 mil A.C. Com a inven\u00e7\u00e3o de Tull, se passou a plantar trigo em linhas retas e na profundidade ideal. Foi uma revolu\u00e7\u00e3o tanto em produ\u00e7\u00e3o como em produtividade, especialmente no outro lado do Atl\u00e2ntico. Na Nova Inglaterra, os colonos estavam receptivos \u00e0s novidades que os ajudassem a aproveitar ao m\u00e1ximo a terra da oportunidade em que&nbsp;<a href=\"https:\/\/www.gutenberg.org\/files\/40670\/40670-h\/40670-h.htm\" target=\"_blank\" rel=\"noreferrer noopener\">viviam agora<\/a>.<\/p>\n\n\n\n<p>Os campos de trigo da Am\u00e9rica do Norte ganhariam import\u00e2ncia global nos cem anos seguintes. Gra\u00e7as a esse cereal, milhares de pessoas atingidas por desastres ambientais, como indunda\u00e7\u00f5es, foram salvas da fome. Os arados se espalharam por vastas \u00e1reas da Am\u00e9rica,&nbsp;<a href=\"https:\/\/www.economist.com\/node\/5323362\" target=\"_blank\" rel=\"noreferrer noopener\">bem como<\/a>&nbsp;da Argentina e da Austr\u00e1lia.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.ldc.com\/br\/wp-content\/uploads\/sites\/3\/2020\/04\/blog-pg-grain2.jpg\" alt=\"blog-pg-grain2.jpg\" class=\"wp-image-6714\"\/><\/figure>\n\n\n\n<p>Um efeito colateral da difus\u00e3o do trigo e de t\u00e9cnicas agr\u00edcolas mais modernas foi o&nbsp;<a href=\"http:\/\/www.fao.org\/docrep\/006\/y4011e\/y4011e04.htm\" target=\"_blank\" rel=\"noreferrer noopener\">aumento da popula\u00e7\u00e3o<\/a>. Comunidades cada vez maiores dependiam do trigo para seu sustento. Isso aumentou a press\u00e3o sobre os agricultores no fim do s\u00e9culo 19 e no in\u00edcio do s\u00e9culo 20, j\u00e1 que a oferta n\u00e3o conseguia acompanhar a demanda, e havia pouca terra agricult\u00e1vel dispon\u00edvel.<\/p>\n\n\n\n<p>Era preciso encontrar uma nova solu\u00e7\u00e3o para aumentar a produtividade, e essa solu\u00e7\u00e3o foi o trator. Ele era capaz de arar em lugares e sob condi\u00e7\u00f5es em que at\u00e9 os melhores cavalos enfrentavam dificuldades. Os tratores melhoraram a produtividade em cerca de 25%, e com isso reverteram a amea\u00e7a de fome nomundo, ao permitirem um aumento&nbsp;<a href=\"https:\/\/www.economist.com\/node\/5323362\" target=\"_blank\" rel=\"noreferrer noopener\">nos volumes de trigo cultivado<\/a>.<\/p>\n\n\n\n<p>As inova\u00e7\u00f5es na agricultura, num cen\u00e1rio de crescente demanda por trigo e quantidades limitadas de terras para plantio, exigiram melhoria na fertilidade do solo para a produ\u00e7\u00e3o agr\u00edcola. Foi a\u00ed que entraram os cientistas.<\/p>\n\n\n\n<p>Para descobrir o que aconteceu em seguida, leia a terceira e \u00faltima parte da nossa hist\u00f3ria do Trigo.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Depois de o trigo passar a ser amplamente cultivado&nbsp;no Oriente M\u00e9dio e na \u00c1sia, surgiram mais inova\u00e7\u00f5es agr\u00edcolas ainda que lentamente. Passaram-se quase 3 mil anos para que os agricultores chineses desenvolvessem um peiteirar de cavalo que, ao n\u00e3o pressionar a traqueia do animal, permitia que os animais puxassem cargas mais pesadas e arassem mais&nbsp;r\u00e1pido [&hellip;]<\/p>\n","protected":false},"featured_media":4092,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-4029","stories-insight","type-stories-insight","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.0 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Parte 2: A semente que alimentou o mundo: revolu\u00e7\u00e3o na agricultura || Louis Dreyfus Company<\/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:\/\/www.ldc.com\/br\/pt\/stories-insights\/parte-2-a-semente-que-alimentou-o-mundo-revolucao-na-agricultura\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Parte 2: A semente que alimentou o mundo: revolu\u00e7\u00e3o na agricultura\" \/>\n<meta property=\"og:description\" content=\"Depois de o trigo passar a ser amplamente cultivado&nbsp;no Oriente M\u00e9dio e na \u00c1sia, surgiram mais inova\u00e7\u00f5es agr\u00edcolas ainda que lentamente. 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