{"id":1328,"date":"2016-05-22T10:18:26","date_gmt":"2016-05-22T08:18:26","guid":{"rendered":"http:\/\/blogg.land.se\/bonde-pa-riktigt\/?p=1328"},"modified":"2016-05-22T11:17:05","modified_gmt":"2016-05-22T09:17:05","slug":"dumheter-i-debatten","status":"publish","type":"post","link":"https:\/\/blogg.land.se\/bonde-pa-riktigt\/dumheter-i-debatten\/","title":{"rendered":"Dumheter i debatten"},"content":{"rendered":"

Det \u00e4r till synes ingen hejd p\u00e5 dumheter och missuppfattningar i debatten om lantbruket.
\nUnder l\u00e5ng tid har jag t\u00e4nkt att de felaktigheter som framf\u00f6rs, har utgjort en s\u00e5 liten minoritet av befolkningens uppfattning att det inte har varit v\u00e4rt att bem\u00f6ta.
\nMen nu ser jag till min fasa att dessa missuppfattningar har f\u00e5tt spridning och verkar utg\u00f6ra majoritetens uppfattning.<\/p>\n

En s\u00e5dan dumhet s\u00e5g jag i kommentarsf\u00e4ltet till en av de m\u00e5nga delningar som min korta film om stallg\u00f6dsel och handelsg\u00f6dsel fick.<\/p>\n

ni kan se filmen h\u00e4r<\/a><\/p>\n

”Det \u00e4r den moderna v\u00e4xtf\u00f6r\u00e4dlingen som har drivit fram sorter som inte klarar sig utan s\u00e5 stora m\u00e4ngder konstg\u00f6dsel. F\u00f6rr r\u00e4ckte det med stallg\u00f6dsel”<\/p>\n

Vi tar det fr\u00e5n b\u00f6rjan….<\/p>\n

Redan under den s\u00e5 kallade upplysningstiden p\u00e5 sjuttonhundratalet k\u00e4nde man till vad v\u00e4xterna beh\u00f6vde f\u00f6r att v\u00e4xa. I boken ”Svensk jord och svensk bonde genom tiderna” fr\u00e5n 1928 skriver f\u00f6rfattaren om denna tid (sjuttonhundratalet):<\/p>\n

”De tre stora f\u00f6r v\u00e4xternas n\u00e4ringsliv och utveckling n\u00f6dv\u00e4ndiga \u00e4mnena kali, kv\u00e4ve och fosforsyra, k\u00e4nde man \u00e4nnu icke till, men man var sanningen p\u00e5 sp\u00e5ren, i det att det talas om nitrosiska salter i jorden, som jordbrukaren skulle vara\u00a0s\u00e4rskot aktsam om”.\u00a0<\/em><\/p>\n

Att v\u00e4xterna beh\u00f6ver kv\u00e4ve, kalium och fosfor var allts\u00e5 k\u00e4nt redan p\u00e5 sjuttonhundratalet. Det \u00e4r allts\u00e5 inget behov som har uppkommit i samband med modern v\u00e4xtf\u00f6r\u00e4dling.<\/p>\n

Handelsg\u00f6dsel, eller kostg\u00f6dsel, blev popul\u00e4rt f\u00f6rst p\u00e5 1950-talet. F\u00f6re det anv\u00e4ndes mestadels stallg\u00f6dsel. Spannm\u00e5let g\u00f6dslades med g\u00f6dsel fr\u00e5n djuren. Djuren fick sitt foder fr\u00e5n o\u00e4ndliga arealer skogs- och \u00e4ngsmarker. Man samlade allts\u00e5 ihop foder fr\u00e5n stora arealer och anv\u00e4nde g\u00f6dsel f\u00f6r att g\u00f6dsla de f\u00f6rh\u00e5llandevis sm\u00e5 arealerna \u00e5kermark. D\u00e4rav kommer begreppet ”\u00e4ng \u00e4r \u00e5kers moder”.<\/p>\n

1928 var medelsk\u00f6rden p\u00e5 spannm\u00e5l 2170 kg\/ha i Sk\u00e5ne, 1670 kg\/ha i Dalarna och 1980 kg\/ha i det J\u00e4mtl\u00e4ndska siluromr\u00e5det.
\n(Det h\u00e4r skulle kunna vara ett inl\u00e4gg i debatten om st\u00f6domr\u00e5den f\u00f6r norra Sverige d\u00e4r J\u00e4mtland alltid anses ha s\u00e4mre f\u00f6ruts\u00e4ttningar f\u00f6r jordbruk \u00e4n Dalarna. Men det \u00e4r inte ett s\u00e5dant inl\u00e4gg).<\/p>\n

Det \u00e4r helt rimliga sk\u00f6rdesiffror med tanke p\u00e5 att b\u00f6nderna p\u00e5 den tiden saknade handelsg\u00f6dsel. Dessutom saknade de modern ogr\u00e4sbek\u00e4mpning och v\u00e4xtskydd. Om jag inte g\u00f6dslade med annat \u00e4n den stallg\u00f6dsel som jag har s\u00e5 skulle jag, efter n\u00e5gra \u00e5r, ligga p\u00e5 ungef\u00e4r den avkastningen.<\/p>\n

Om de sorter som fanns d\u00e5 skulle g\u00f6dslas med handelsg\u00f6dsel som det g\u00f6rs idag s\u00e5 skulle sk\u00f6rden bli mycket st\u00f6rre. D\u00e4remot skulle det bli en del problem. De sorter som fanns d\u00e5 var inte f\u00f6r\u00e4dlade f\u00f6r att t\u00e5la s\u00e5 h\u00f6ga g\u00f6dselgivor. Str\u00e5et p\u00e5 gamla sorter \u00e4r ofta v\u00e4ldigt l\u00e5ngt och vekt, vilket g\u00f6r att det inte kan b\u00e4ra upp ett s\u00e5 tungt ax som det blir n\u00e4r man g\u00f6dslar mycket (och f\u00e5r stor sk\u00f6rd).<\/p>\n

V\u00e4xtf\u00f6r\u00e4dlingen har allts\u00e5 inte<\/i> gett oss sorter som\u00a0beh\u00f6ver<\/em>\u00a0mycket g\u00f6dsel. V\u00e4xtf\u00f6r\u00e4dlingen har gett oss sorter som\u00a0t\u00e5l<\/em> mycket g\u00f6dsel.<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

V\u00e4xtf\u00f6r\u00e4dlingen har allts\u00e5 inte gett oss sorter som beh\u00f6ver mycket g\u00f6dsel. V\u00e4xtf\u00f6r\u00e4dlingen har gett oss sorter som t\u00e5l mycket g\u00f6dsel. <\/p>\n","protected":false},"author":86,"featured_media":398,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[],"yoast_head":"\nDumheter i debatten - Bonde p\u00e5 riktigt | Martin Moraeus<\/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.land.se\/bonde-pa-riktigt\/dumheter-i-debatten\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dumheter i debatten - Bonde p\u00e5 riktigt | Martin Moraeus\" \/>\n<meta property=\"og:description\" content=\"V\u00e4xtf\u00f6r\u00e4dlingen har allts\u00e5 inte gett oss sorter som beh\u00f6ver mycket g\u00f6dsel. 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