{"id":313,"date":"2019-12-13T09:13:25","date_gmt":"2019-12-13T08:13:25","guid":{"rendered":"http:\/\/blogg.atl.nu\/det-grona-guldet\/?p=313"},"modified":"2019-12-13T09:13:25","modified_gmt":"2019-12-13T08:13:25","slug":"mera-gallringsstampling","status":"publish","type":"post","link":"https:\/\/blogg.atl.nu\/det-grona-guldet\/2019\/12\/13\/mera-gallringsstampling\/","title":{"rendered":"Mera gallringsst\u00e4mpling"},"content":{"rendered":"<p>I veckan har vi fortsatt v\u00e5r st\u00e4mpling av vinterns gallringar. Det mesta \u00e4r gjort men vi har lite kvar. Jag tror vi kommer att landa p\u00e5 ca 17 hektar gallring, vilket \u00e4r mycket med v\u00e5ra m\u00e5tt m\u00e4tt. Vi hade inte t\u00e4nkt st\u00e4mpla allt, men vi fick upp farten och det har g\u00e5tt s\u00e5 pass bra allt blir nog st\u00e4mplat av oss. I \u00e5r har vi inte dragit n\u00e5gra stickv\u00e4gar sj\u00e4lva och det spar mycket tid.<\/p>\n<p>Jag skrev om en tidigare gallringsst\u00e4mpling och det var en f\u00f6rsta gallring. Det vi st\u00e4mplat i veckan har varit en andra gallring p\u00e5 en lite annorlunda mark. Det \u00e4r n\u00e4mligen en gammal mossodling, d\u00e4r det st\u00e5r en blandning av tall och gran och tallen \u00e4r stamkvistad. Innan st\u00e4mpling stod det ca 620 stammar\/hektar. Ca 350 tall och 270 gran och best\u00e5ndet \u00e4r 72 \u00e5r gammalt. I och med att det \u00e4r en gammal mosse s\u00e5 \u00e4r marken inte speciellt b\u00f6rdig, tidigare hade min far problem med att tr\u00e4den fick bleka, gula barr och slutade v\u00e4xa. Det var nog speciellt granen det h\u00e4nde med och det berodde p\u00e5 n\u00e4ringsbrist. I en mosse saknas det ofta mineraler som kan brytas ned till n\u00e4rings\u00e4mnen, speciellt saknas fosfor och kalium. Kv\u00e4ve finns det.<\/p>\n<figure id=\"attachment_312\" aria-describedby=\"caption-attachment-312\" style=\"width: 685px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"size-full wp-image-312\" src=\"http:\/\/blogg.atl.nu\/det-grona-guldet\/wp-content\/uploads\/sites\/38\/2019\/12\/20191211_110005.jpg\" alt=\"\" width=\"685\" height=\"514\" srcset=\"https:\/\/blogg.atl.nu\/det-grona-guldet\/wp-content\/uploads\/sites\/38\/2019\/12\/20191211_110005.jpg 685w, https:\/\/blogg.atl.nu\/det-grona-guldet\/wp-content\/uploads\/sites\/38\/2019\/12\/20191211_110005-300x225.jpg 300w\" sizes=\"(max-width: 685px) 100vw, 685px\" \/><figcaption id=\"caption-attachment-312\" class=\"wp-caption-text\"><em>St\u00e4mplat<\/em><\/figcaption><\/figure>\n<p>Min far l\u00f6ste problemet genom att skicka p\u00e5 lite NPK och d\u00e5 b\u00f6rjade skogen m\u00e5 bra igen. Det h\u00e4r var m\u00e5nga \u00e5r sedan och skogen har sett frisk ut, tills nu vill s\u00e4ga. Nu har granbarkborren hittat hit och ett antal granar \u00e4r drabbade i omr\u00e5det. D\u00e4rf\u00f6r fokuserar vi denna gallring till att ta bort framf\u00f6rallt granen. Tanken \u00e4r att vi ska f\u00e5 en fin timmerst\u00e4llning n\u00e4r vi \u00e4r klara men en del gran blir kvar f\u00f6rst\u00e5s, vi vill inte ha n\u00e5gra luckor. D\u00e5 kommer vi till den st\u00e4ndiga fr\u00e5gan: Hur m\u00e5nga stam\/hektar ska vi ha kvar?<\/p>\n<figure id=\"attachment_307\" aria-describedby=\"caption-attachment-307\" style=\"width: 685px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"size-full wp-image-307\" src=\"http:\/\/blogg.atl.nu\/det-grona-guldet\/wp-content\/uploads\/sites\/38\/2019\/12\/20191211_085056.jpg\" alt=\"\" width=\"685\" height=\"514\" srcset=\"https:\/\/blogg.atl.nu\/det-grona-guldet\/wp-content\/uploads\/sites\/38\/2019\/12\/20191211_085056.jpg 685w, https:\/\/blogg.atl.nu\/det-grona-guldet\/wp-content\/uploads\/sites\/38\/2019\/12\/20191211_085056-300x225.jpg 300w\" sizes=\"(max-width: 685px) 100vw, 685px\" \/><figcaption id=\"caption-attachment-307\" class=\"wp-caption-text\"><em>En som ska bort<\/em><\/figcaption><\/figure>\n<p>Vi brukar ha som riktpunkt att n\u00e4r skogen \u00e4r 55 \u00e5r ska vi ha 550 stam\/hektar om det \u00e4r en tallskog. I en granskog vill vi minst ha det dubbla, 1100\/ha. Sedan f\u00e5r n\u00e4sta \u00e5tg\u00e4rd bero p\u00e5 hur skogen utvecklar sig. Men det h\u00e4r best\u00e5ndet \u00e4r \u00e4ldre och i en ren timmerst\u00e4llning som \u00e4r f\u00e4rdig (dvs inga planerade \u00e5tg\u00e4rder innan slutavverkning) kan vi t\u00e4nka oss 300-400\/ha. Tallen har en bra f\u00f6rm\u00e5ga att producera \u00e4ven vid ganska l\u00e5ga stamantal, enligt oss. Men nu har vi med en del granar och den kan ju st\u00e5 betydligt t\u00e4tare s\u00e5 vi kanske landar p\u00e5 400-500 stam\/ha. Vi f\u00e5r se n\u00e4r vi \u00e4r klara, ett antal provytor kommer vi att g\u00f6ra.<\/p>\n<p>St\u00e4mplingen har g\u00e5tt bra, vi tittar som vanligt efter skadade\/krokiga\/d\u00e5liga tr\u00e4d som ska bort och eftersom tallen \u00e4r stamkvistad (och i potent \u00e5lder), vill vi ha kvar den d\u00e4r det \u00e4r l\u00e4mpligt. Granen st\u00e4ller vi kvar n\u00e4r det inte finns bra tallar i n\u00e4rheten. Och de h\u00e4r lite yngre granarna som har etablerat sig underifr\u00e5n f\u00f6rs\u00f6ker vi ocks\u00e5 spara. De v\u00e4xer bra, har mycket barr och \u00e4r s\u00e5 pass unga och starka att granbarkborren inte har r\u00e5tt p\u00e5 dem. De \u00e4r ju betydligt yngre \u00e4n de h\u00e4r 72 \u00e5ren och kommer att v\u00e4xa fint i m\u00e5nga \u00e5r.<\/p>\n<figure id=\"attachment_310\" aria-describedby=\"caption-attachment-310\" style=\"width: 685px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"size-full wp-image-310\" src=\"http:\/\/blogg.atl.nu\/det-grona-guldet\/wp-content\/uploads\/sites\/38\/2019\/12\/20191211_103254.jpg\" alt=\"\" width=\"685\" height=\"514\" srcset=\"https:\/\/blogg.atl.nu\/det-grona-guldet\/wp-content\/uploads\/sites\/38\/2019\/12\/20191211_103254.jpg 685w, https:\/\/blogg.atl.nu\/det-grona-guldet\/wp-content\/uploads\/sites\/38\/2019\/12\/20191211_103254-300x225.jpg 300w\" sizes=\"(max-width: 685px) 100vw, 685px\" \/><figcaption id=\"caption-attachment-310\" class=\"wp-caption-text\"><em>Blandskog<\/em><\/figcaption><\/figure>\n<p>Vi passar \u00e4ven p\u00e5 att banda upp de gamla skotarv\u00e4garna medans de \u00e4r l\u00e4tta att hitta. Kommer det 50 cm sn\u00f6 blir det sv\u00e5rare.<\/p>\n<figure id=\"attachment_311\" aria-describedby=\"caption-attachment-311\" style=\"width: 685px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"size-full wp-image-311\" src=\"http:\/\/blogg.atl.nu\/det-grona-guldet\/wp-content\/uploads\/sites\/38\/2019\/12\/20191211_105956.jpg\" alt=\"\" width=\"685\" height=\"514\" srcset=\"https:\/\/blogg.atl.nu\/det-grona-guldet\/wp-content\/uploads\/sites\/38\/2019\/12\/20191211_105956.jpg 685w, https:\/\/blogg.atl.nu\/det-grona-guldet\/wp-content\/uploads\/sites\/38\/2019\/12\/20191211_105956-300x225.jpg 300w\" sizes=\"(max-width: 685px) 100vw, 685px\" \/><figcaption id=\"caption-attachment-311\" class=\"wp-caption-text\"><em>H\u00e4r har det g\u00e5tt en skotarv\u00e4g<\/em><\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>I veckan har vi fortsatt v\u00e5r st\u00e4mpling av vinterns gallringar. Det mesta \u00e4r gjort men vi har lite kvar. Jag tror vi kommer att landa p\u00e5 ca 17 hektar gallring, vilket \u00e4r mycket med v\u00e5ra m\u00e5tt m\u00e4tt. Vi hade inte t\u00e4nkt st\u00e4mpla allt, men vi fick upp farten och det har g\u00e5tt s\u00e5 pass bra&#8230;<\/p>\n","protected":false},"author":358,"featured_media":308,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[27,40],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Mera gallringsst\u00e4mpling - Det gr\u00f6na guldet<\/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:\/\/blogg.atl.nu\/det-grona-guldet\/2019\/12\/13\/mera-gallringsstampling\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mera gallringsst\u00e4mpling - Det gr\u00f6na guldet\" \/>\n<meta property=\"og:description\" content=\"I veckan har vi fortsatt v\u00e5r st\u00e4mpling av vinterns gallringar. 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