{"id":34140,"date":"2024-05-27T08:00:01","date_gmt":"2024-05-27T06:00:01","guid":{"rendered":"https:\/\/www.asparagusworld.com\/?post_type=news&#038;p=34140"},"modified":"2025-07-08T08:33:24","modified_gmt":"2025-07-08T08:33:24","slug":"the-two-kinds-of-asparagus-harvesting-machinery","status":"publish","type":"news","link":"https:\/\/befve.com\/es\/news\/the-two-kinds-of-asparagus-harvesting-machinery\/","title":{"rendered":"The two kinds of asparagus harvesting machinery"},"content":{"rendered":"\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"field_LQ24868017C\">Les r\u00e9colteuses non s\u00e9lectives coupent tous les turions, <strong>sans distinction de qualit\u00e9, de longueur ou d\u2019autres crit\u00e8res<\/strong>, tandis que les machines <strong>s\u00e9lectives<\/strong> r\u00e9coltent les turions <strong>selon des caract\u00e9ristiques sp\u00e9cifiques<\/strong>.<\/p>\n\n\n\n<p>Pour l\u2019<strong>asperge verte<\/strong>, les <strong>r\u00e9colteuses non s\u00e9lectives<\/strong> coupent tous les turions, quelle que soit leur longueur, <strong>au niveau ou juste au-dessus du sol<\/strong>, puis les d\u00e9posent dans des dispositifs de collecte.<\/p>\n\n\n\n<p>Pour l\u2019<strong>asperge blanche<\/strong>, elles coupent tous les turions, \u00e9galement <strong>sans distinction de longueur<\/strong>, <strong>juste au-dessus de la couronne<\/strong> dans la butte, puis transportent <strong>turions et terre<\/strong> sur un <strong>convoyeur<\/strong>, o\u00f9 la s\u00e9paration se fait <strong>par vibration<\/strong>. La terre est ensuite <strong>rebutt\u00e9e<\/strong> sur le rang de plantation, explique <strong>Drost<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Les r\u00e9colteuses s\u00e9lectives pour asperges vertes<\/h3>\n\n\n\n<p>Les <strong>r\u00e9colteuses s\u00e9lectives pour l\u2019asperge verte<\/strong> n\u00e9cessitent des <strong>syst\u00e8mes de traitement de donn\u00e9es avanc\u00e9s<\/strong>, capables d\u2019<strong>identifier en temps r\u00e9el<\/strong> les turions atteignant la <strong>longueur optimale<\/strong>, au milieu d\u2019un champ o\u00f9 les longueurs varient fortement.<\/p>\n\n\n\n<p>L\u2019<strong>identification des turions<\/strong> est <strong>complexe dans des conditions r\u00e9elles<\/strong>, o\u00f9 <strong>la vitesse et la pr\u00e9cision sont cruciales<\/strong>.<\/p>\n\n\n\n<p>Pour \u00eatre int\u00e9gr\u00e9es dans les <strong>syst\u00e8mes de production existants<\/strong>, ces machines doivent :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>fonctionner \u00e0 une <strong>vitesse et une efficacit\u00e9 proches de la main-d\u2019\u0153uvre humaine<\/strong>,<\/li>\n\n\n\n<li>effectuer la coupe <strong>sans endommager les turions r\u00e9colt\u00e9s<\/strong>,<\/li>\n\n\n\n<li><strong>ne pas blesser<\/strong> les turions voisins non s\u00e9lectionn\u00e9s.<\/li>\n<\/ul>\n\n\n\n<p>Ainsi, ces r\u00e9colteuses doivent disposer :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>d\u2019une <strong>perception et d\u2019un traitement de donn\u00e9es en temps r\u00e9el<\/strong> (\u00e0 l\u2019\u00e9chelle de <strong>dizaines de millisecondes<\/strong>),<\/li>\n\n\n\n<li>d\u2019<strong>actionneurs rapides<\/strong>,<\/li>\n\n\n\n<li>et de <strong>m\u00e9canismes robustes<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>Avec une <strong>puissance de calcul suffisante<\/strong> et des <strong>donn\u00e9es GPS pr\u00e9cises<\/strong>, il serait m\u00eame possible de <strong>cartographier les turions non r\u00e9colt\u00e9s<\/strong>, ce qui <strong>acc\u00e9l\u00e9rerait la r\u00e9colte ult\u00e9rieure<\/strong>.<br>Mais cela implique de <strong>pouvoir pr\u00e9dire<\/strong> quand un turion atteindra la bonne longueur, ce qui n\u00e9cessite <strong>des donn\u00e9es sur la vitesse de croissance<\/strong> et <strong>la position du turion<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Les r\u00e9colteuses s\u00e9lectives pour asperges blanches : un d\u00e9fi technique plus complexe<\/h3>\n\n\n\n<p>L\u2019automatisation de la <strong>r\u00e9colte de l\u2019asperge blanche<\/strong> est <strong>plus complexe<\/strong>, car il faut :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>pr\u00e9server l\u2019int\u00e9grit\u00e9 de la butte<\/strong> gr\u00e2ce \u00e0 un syst\u00e8me de guidage pr\u00e9cis,<\/li>\n\n\n\n<li><strong>rep\u00e9rer l\u2019emplacement exact du turion<\/strong> sous la terre,<\/li>\n\n\n\n<li><strong>le sectionner sous terre<\/strong> \u00e0 la bonne hauteur,<\/li>\n\n\n\n<li><strong>et l\u2019extraire avec un minimum de dommages<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>Selon <strong>Drost<\/strong>, la <strong>partie guidage<\/strong> est relativement <strong>facile \u00e0 concevoir<\/strong>, mais les m\u00e9canismes de <strong>coupe et d\u2019extraction<\/strong> n\u00e9cessitent <strong>beaucoup plus d\u2019ing\u00e9nierie<\/strong> pour \u00eatre efficaces.<\/p>\n\n\n\n<p>Une piste technologique explor\u00e9e : l\u2019<strong>utilisation de radars \u00e0 p\u00e9n\u00e9tration de sol<\/strong> (<em>ground-penetrating radar<\/em>) pour <strong>estimer la profondeur de la couronne<\/strong>, et ainsi d\u00e9terminer <strong>la hauteur de coupe optimale<\/strong> pour les machines non s\u00e9lectives.<\/p>\n\n\n\n<p class=\"field_LQ24868017C\">Cela permettrait de <strong>r\u00e9colter des turions longs<\/strong> tout en <strong>minimisant les dommages \u00e0 la plante<\/strong>.<\/p>\n\n\n\n<p class=\"field_LQ27798678C\">* Source:<a href=\"https:\/\/www.frontiersin.org\/journals\/plant-science\/articles\/10.3389\/fpls.2023.1148312\/full\"> \u201cAsparagus breeding: Future research needs for sustainable production\u201d<\/a> by Prof. Daniel Drost (Front. Plant Sci., 27 March 2023)<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Whether picking green or white asparagus, harvesting robots need to be fast, inexpensive, produce few losses, and be gentle with the spears being handled, says Drost. Here he explains the two kinds of asparagus harvesting machinery and how their use differs between green and white spears.<\/p>\n","protected":false},"featured_media":36638,"template":"","meta":{"_acf_changed":false},"news_categories":[54,53],"class_list":["post-34140","news","type-news","status-publish","has-post-thumbnail","hentry","news_categories-equipement-et-service","news_categories-production"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>The two kinds of asparagus harvesting machinery - Befve &amp; Co<\/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:\/\/befve.com\/es\/news\/the-two-kinds-of-asparagus-harvesting-machinery\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The two kinds of asparagus harvesting machinery - Befve &amp; Co\" \/>\n<meta property=\"og:description\" content=\"Whether picking green or white asparagus, harvesting robots need to be fast, inexpensive, produce few losses, and be gentle with the spears being handled, says Drost. 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