{"id":1088952,"date":"2026-03-06T07:29:56","date_gmt":"2026-03-06T07:29:56","guid":{"rendered":"https:\/\/profertilizer.dk\/?p=1088952"},"modified":"2026-03-06T07:29:57","modified_gmt":"2026-03-06T07:29:57","slug":"ujaevn-vaekst-i-marken-hvorfor-opstaar-hullerne","status":"publish","type":"post","link":"https:\/\/profertilizer.dk\/en\/ujaevn-vaekst-i-marken-hvorfor-opstaar-hullerne\/","title":{"rendered":"Uj\u00e6vn v\u00e6kst i marken \u2013 hvorfor opst\u00e5r hullerne?"},"content":{"rendered":"<h1 class=\"wp-block-heading\">Uj\u00e6vn v\u00e6kst i marken \u2013 hvorfor opst\u00e5r hullerne?<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Du har sikkert set det i for\u00e5ret.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Marken spirer frem \u2013 men <strong>nogle steder st\u00e5r planterne tydeligt svagere<\/strong>.<br>Sm\u00e5 pletter. Uj\u00e6vne r\u00e6kker. Omr\u00e5der hvor v\u00e6ksten halter bagefter.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Uj\u00e6vn v\u00e6kst i marken<\/strong> er noget de fleste oplever fra tid til anden.<br>Og selvom det kan se tilf\u00e6ldigt ud, er der n\u00e6sten altid en forklaring.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ofte handler det om <strong>forholdene i jorden i de f\u00f8rste uger efter fremspiring<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Kold jord kan bremse planterne<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e5r jorden er kold, arbejder planterne langsommere.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Rodv\u00e6ksten g\u00e5r ned i tempo, og optagelsen af n\u00e6ringsstoffer bliver svagere.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Det betyder, at nogle planter kommer godt fra start \u2013 mens andre bliver h\u00e6ngende lidt bagefter.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Det kan skyldes sm\u00e5 forskelle i marken, for eksempel:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>jordtype<\/li>\n\n\n\n<li>vandindhold<\/li>\n\n\n\n<li>struktur<\/li>\n\n\n\n<li>hvor hurtigt jorden varmes op<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Derfor kan man ofte se, at v\u00e6ksten er <strong>uj\u00e6vn i bestemte omr\u00e5der af marken<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Vand i jorden kan give pletter<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Meget vand i jorden kan ogs\u00e5 give uj\u00e6vn v\u00e6kst.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e5r jorden er vandm\u00e6ttet, falder iltindholdet omkring r\u00f8dderne.<br>Det g\u00f8r det sv\u00e6rere for planterne at udvikle r\u00f8dder og optage n\u00e6ringsstoffer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Resultatet kan v\u00e6re de klassiske <strong>pletter i marken<\/strong>, hvor planterne st\u00e5r svagere.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Det ses is\u00e6r:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>p\u00e5 tung jord<\/li>\n\n\n\n<li>i lavninger<\/li>\n\n\n\n<li>eller steder hvor jorden pakker.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">N\u00e6ringsstofferne kan v\u00e6re der \u2013 uden at planten kan bruge dem<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">En vigtig pointe er, at planterne godt kan <strong>mangle n\u00e6ring<\/strong>, selvom den faktisk findes i jorden.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Optagelsen afh\u00e6nger nemlig af flere ting:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>rodaktivitet<\/li>\n\n\n\n<li>jordtemperatur<\/li>\n\n\n\n<li>vandforhold<\/li>\n\n\n\n<li>jordens pH<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Hvis forholdene ikke er optimale, kan optagelsen blive langsom.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Det betyder, at planterne kan komme i en situation, hvor de <strong>kortvarigt mangler n\u00e6ring<\/strong>, selvom jorden egentlig indeholder den.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Symptomer viser sig ofte senere<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">En ting mange oplever i praksis er, at <strong>symptomer kommer med forsinkelse<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Det du ser i marken i dag, kan v\u00e6re resultatet af noget, der skete <strong>for et par uger siden<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Det kan for eksempel v\u00e6re:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>kold jord efter s\u00e5ning<\/li>\n\n\n\n<li>meget nedb\u00f8r<\/li>\n\n\n\n<li>lav rodaktivitet i en periode<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Derfor er det ikke altid de aktuelle forhold i marken, der forklarer det, man ser.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Marken bliver sj\u00e6ldent helt ens<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">De fleste marker har en vis variation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Det kan skyldes forskelle i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>jordtype<\/li>\n\n\n\n<li>dr\u00e6ning<\/li>\n\n\n\n<li>pakning<\/li>\n\n\n\n<li>markhistorik<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Men n\u00e5r planterne f\u00e5r <strong>gode v\u00e6kstbetingelser tidligt i s\u00e6sonen<\/strong>, bliver forskellene ofte mindre tydelige senere.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Sm\u00e5 detaljer i starten kan g\u00f8re en forskel<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Uj\u00e6vn v\u00e6kst i marken skyldes sj\u00e6ldent \u00e9n enkelt ting.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ofte er det en kombination af:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>temperatur<\/li>\n\n\n\n<li>vand<\/li>\n\n\n\n<li>rodv\u00e6kst<\/li>\n\n\n\n<li>n\u00e6ringsoptagelse<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Jo bedre betingelser planterne har i starten af s\u00e6sonen, jo st\u00f8rre er chancen for <strong>en mere ensartet mark senere p\u00e5 \u00e5ret<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Det er ofte i de f\u00f8rste uger efter fremspiring, at fundamentet for resten af s\u00e6sonen bliver lagt.<\/p>","protected":false},"excerpt":{"rendered":"<p>Uj\u00e6vn v\u00e6kst i marken \u2013 hvorfor opst\u00e5r hullerne? Du har sikkert set det i for\u00e5ret. Marken spirer frem \u2013 men nogle steder st\u00e5r planterne tydeligt svagere.Sm\u00e5 pletter. Uj\u00e6vne r\u00e6kker. Omr\u00e5der hvor v\u00e6ksten halter bagefter. Uj\u00e6vn v\u00e6kst i marken er noget de fleste oplever fra tid til anden.Og selvom det kan se tilf\u00e6ldigt ud, er der [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1088954,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[10],"tags":[],"class_list":["post-1088952","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-landbrug"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Uj\u00e6vn v\u00e6kst i marken \u2013 hvorfor opst\u00e5r hullerne? - ProFertilizer<\/title>\n<meta name=\"description\" content=\"Ser du uj\u00e6vn v\u00e6kst eller pletter i marken? 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