{"id":3157,"date":"2016-09-30T09:42:18","date_gmt":"2016-09-30T07:42:18","guid":{"rendered":"http:\/\/agrosemens.com\/blog\/?p=3157"},"modified":"2016-09-30T09:42:18","modified_gmt":"2016-09-30T07:42:18","slug":"oignons-bio-pratique-culturale","status":"publish","type":"post","link":"https:\/\/www.agrosemens.com\/blog\/oignons-bio-pratique-culturale\/","title":{"rendered":"Oignons Bio, Pratique Culturale"},"content":{"rendered":"

<\/h1>\n

Oignons bio, guide de culture<\/h1>\n

\"oignon1\"<\/p>\n

L\u2019oignon appartient \u00e0 la famille des liliac\u00e9es. L\u2019oignon a besoin d\u2019une\u00a0longueur de jour minimum (photop\u00e9riode) pour la formation de\u00a0son bulbe.<\/strong> Ce seuil est diff\u00e9rent suivant les vari\u00e9t\u00e9s (de 12 \u00e0 16 H).\u00a0Les temp\u00e9ratures sup\u00e9rieures \u00e0 18\u00b0C d\u00e9clenchent le renflement des\u00a0bulbes, \u00e0 l\u2019inverse, des temp\u00e9ratures basses initient la croissance\u00a0v\u00e9g\u00e9tative et l\u2019\u00e9mission des hampes florales (mont\u00e9e \u00e0 graines).
\nSemis possible en direct, en caissette et repiquage des plants au stade 3\u00a0\u00e0 4 feuilles ou en motte de 3×3\u00a0cm ou 4×4 cm \u00e0 raison de 4 \u00e0 5\u00a0graines\/motte, repiquage des mottes 60 jours apr\u00e8s.
\nSarclez et binez r\u00e9guli\u00e8rement.<\/p>\n

\"Agrosemens<\/p>\n

Pratique culturale<\/h1>\n

Lev\u00e9e<\/strong> : en 10 jours en sol \u00e0 15\u00b0C.
\nNombre de graines\/g<\/strong> : 250. PMG : 4 g.
\nProfondeur de semis<\/strong> : de 1,5 \u00e0 2 cm.
\nQuantit\u00e9 de semences<\/strong> : 3-5 kg\/ha.
\nOignon blanc<\/strong> : 1 700 000 graines\/ha.
\nOignon de couleur<\/strong> : 1 200 000 graines\/ha.
\nGraines<\/strong> : 35 \u00e0 40 au m\u00e8tre lin\u00e9aire.
\nBulbilles<\/strong> : 15 \u00e0 20\/ml.
\nDensit\u00e9 de plantation<\/strong> : 15 x\u00a030 cm soit 600 000 \u00e0 900 000 plants\/ha.
\nDates de semis et de plantation<\/strong> :
\n– Culture bisannuelle :<\/strong> du semis direct \u00e0 la r\u00e9colte de 200 \u00e0 220 jours, du semis \u00e0 la\u00a0plantation 40 jours.
\nSemis en fin d’\u00e9t\u00e9 \/automne, r\u00e9colte au printemps.
\n\u00a0– Culture annuelle :<\/strong> du semis direct \u00e0 la r\u00e9colte 100 \u00e0 140 jours, du semis \u00e0 la\u00a0plantation 40 \u00e0 70 jours.
\nSemis en fin d’hiver\/printemps, r\u00e9colte printemps-\u00e9t\u00e9-automne.
\nStade de r\u00e9colte<\/strong> : lorsque les feuilles sont bien s\u00e8ches.
\nRotation<\/strong> : 6 ans minimum, conseill\u00e9 8 \u00e0 10 ans sans liliac\u00e9es.
\nBesoin en NPK<\/strong> : N : 100 U, P : 70 U, K : 120 U\/ha.
\nApport<\/strong> : engrais organique ou compost bien m\u00fbr.
\nLes apports de fumure organique fra\u00eeche ou les exc\u00e8s d’azote favorisent le\u00a0d\u00e9veloppement des maladies.
\nRendement th\u00e9orique<\/strong> : Oignon blanc : 15 T\/ha.
\nPrincipaux ravageurs et maladies<\/strong> : Mildiou, botrytis, scl\u00e9rotinia,\u00a0rouille, charbon de l’oignon, mouche de l’oignon et des semis, thrips,\u00a0teigne du poireau, n\u00e9matodes…<\/p>\n

\"Agrosemens<\/p>\n

Bonnes Associations<\/h1>\n
\n
\"aneth<\/a>

Aneth<\/p><\/div>\n

\"betterave<\/a>

Betterave<\/p><\/div>\n

\"CAROTTE<\/a>

Carotte<\/p><\/div>\n

\"Concombre<\/a>

Concombre<\/p><\/div>\n

\"Panais<\/a>

Panais<\/p><\/div>\n

\"Laitue<\/a>

Laitue<\/p><\/div>\n

\"tomate<\/a>

Tomate<\/p><\/div>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

\"Agrosemens<\/p>\n

Mauvaises Associations<\/h1>\n
\"CHOU-FLEUR<\/a>

Chou<\/p><\/div>\n

\"haricot<\/a>

Haricot<\/p><\/div>\n

\"poireau<\/a>

Poireau<\/p><\/div>\n

\"Pois<\/a>

Pois<\/p><\/div>\n<\/div>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

\"Agrosemens
\nToutes nos graines sont des semences 100% Bio.
\nQue suivant vos r\u00e9gions vous les appeliez grain, graine, semence ou semis, avec les graines de semences bio AGROSEMENS, semez la vie et la biodiversit\u00e9.
\nAinsi, vous ferez de vos champs des jardins de promesses et un jardin de vie.<\/p>\n","protected":false},"excerpt":{"rendered":"

Oignons bio, guide de culture L\u2019oignon appartient \u00e0 la famille des liliac\u00e9es. L\u2019oignon a besoin d\u2019une\u00a0longueur de jour minimum (photop\u00e9riode) pour la formation de\u00a0son bulbe. Ce seuil est diff\u00e9rent suivant les vari\u00e9t\u00e9s (de 12 \u00e0 16 H).\u00a0Les temp\u00e9ratures sup\u00e9rieures \u00e0 18\u00b0C d\u00e9clenchent le renflement des\u00a0bulbes, \u00e0 l\u2019inverse, des temp\u00e9ratures basses initient la croissance\u00a0v\u00e9g\u00e9tative et l\u2019\u00e9mission … <\/p>\n

Lire la suite<\/a><\/p>\n","protected":false},"author":1,"featured_media":3206,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[13,16,4],"tags":[43,8,10],"yoast_head":"\nOignons Bio, Pratique Culturale - Agrosemens<\/title>\n<meta name=\"description\" content=\"Guide de culture des oignons pour mara\u00eechers bio, pratique culturale, association de l\u00e9gumes, dates de semis et de r\u00e9colte...\" \/>\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.agrosemens.com\/blog\/oignons-bio-pratique-culturale\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Oignons Bio, Pratique Culturale - Agrosemens\" \/>\n<meta property=\"og:description\" content=\"Guide de culture des oignons pour mara\u00eechers bio, pratique culturale, association de l\u00e9gumes, dates de semis et de r\u00e9colte...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.agrosemens.com\/blog\/oignons-bio-pratique-culturale\/\" \/>\n<meta property=\"og:site_name\" content=\"Agrosemens\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/agrosemens.semencesbio\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/agrosemens.semencesbio\" \/>\n<meta property=\"article:published_time\" content=\"2016-09-30T07:42:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.agrosemens.com\/blog\/wp-content\/uploads\/2016\/09\/oignon11.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"789\" \/>\n\t<meta property=\"og:image:height\" content=\"400\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"agrosemens\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@AGROSEMENS\" \/>\n<meta name=\"twitter:site\" content=\"@AGROSEMENS\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"agrosemens\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.agrosemens.com\/blog\/#website\",\"url\":\"https:\/\/www.agrosemens.com\/blog\/\",\"name\":\"Agrosemens\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.agrosemens.com\/blog\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.agrosemens.com\/blog\/oignons-bio-pratique-culturale\/#primaryimage\",\"url\":\"https:\/\/www.agrosemens.com\/blog\/wp-content\/uploads\/2016\/09\/oignon11.jpg\",\"contentUrl\":\"https:\/\/www.agrosemens.com\/blog\/wp-content\/uploads\/2016\/09\/oignon11.jpg\",\"width\":789,\"height\":400},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.agrosemens.com\/blog\/oignons-bio-pratique-culturale\/#webpage\",\"url\":\"https:\/\/www.agrosemens.com\/blog\/oignons-bio-pratique-culturale\/\",\"name\":\"Oignons Bio, Pratique Culturale - 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