{"id":1288,"date":"2016-05-03T20:39:29","date_gmt":"2016-05-03T18:39:29","guid":{"rendered":"http:\/\/blogg.land.se\/bonde-pa-riktigt\/?p=1288"},"modified":"2016-05-03T20:40:12","modified_gmt":"2016-05-03T18:40:12","slug":"darfor-ar-stora-jordbruk-hallbarare-an-sma","status":"publish","type":"post","link":"https:\/\/blogg.land.se\/bonde-pa-riktigt\/darfor-ar-stora-jordbruk-hallbarare-an-sma\/","title":{"rendered":"D\u00e4rf\u00f6r \u00e4r stora jordbruk h\u00e5llbarare \u00e4n sm\u00e5"},"content":{"rendered":"<p>Jag har en god v\u00e4n och kollega i Sk\u00e5ne. Han odlar ungef\u00e4r 1000 hektar spannm\u00e5l. Jag odlar 50 hektar spannm\u00e5l.<\/p>\n<p>F\u00f6rra \u00e5ret investerade han i tv\u00e5 nya sk\u00f6rdetr\u00f6skor. &#8221;De spiller mindre, s\u00e5 det g\u00e5r att motivera aff\u00e4ren&#8221; sade han n\u00e4r jag fr\u00e5gade hur fasen han hade r\u00e5d.<\/p>\n<p>S\u00e5h\u00e4r: En sk\u00f6rdetr\u00f6ska tr\u00f6skar ur k\u00e4rnorna ur axen p\u00e5 spannm\u00e5let. K\u00e4rnorna hamnar i en tank i tr\u00f6skan och resten passerar igenom tr\u00f6skan och faller ned p\u00e5 marken. Tr\u00f6skverket kan finjusteras s\u00e5 att ungef\u00e4r 2% av k\u00e4rnorna f\u00f6ljer med genom tr\u00f6skan tillsammans med halm och annat som rensas bort. Det finns allts\u00e5 en optimal m\u00e4ngd k\u00e4rnor som ska &#8221;spillas&#8221; bort. Om tr\u00f6skverket st\u00e4lls in s\u00e5 att det inte blir n\u00e5got spill alls, s\u00e5 inneb\u00e4r det att f\u00f6r mycket av skr\u00e4pet ocks\u00e5 f\u00f6ljer med upp i tanken.<\/p>\n<p>Min kompis nya tr\u00f6ska gick att st\u00e4lla in, eller egentligen st\u00e4ller den in sig sj\u00e4lv, s\u00e5 att den spiller exakt tv\u00e5 procent. Varken mer eller mindre. Han gamla tr\u00f6skor spillde ungef\u00e4r fyra procent p\u00e5stod han. Det g\u00f6r min ocks\u00e5.<\/p>\n<p>Jag r\u00e4knar med att min kompis i Sk\u00e5ne har en snittsk\u00f6rd p\u00e5 \u00e5tta ton per hektar.<\/p>\n<p>Hur mycket st\u00f6rre sk\u00f6rd f\u00e5r han om han minskar spillet fr\u00e5n fyra till tv\u00e5 procent?<\/p>\n<p>Tv\u00e5 procent av \u00e5tta ton \u00e4r 160 kilo. P\u00e5 tusen hektar blir det 160 000 kilo, eller 160 ton.<br \/>\nJag antar att det motsvarar ett v\u00e4rde p\u00e5 ungef\u00e4r 240 000 kronor, vilket i dagens r\u00e4ntel\u00e4ge v\u00e4l kan betala r\u00e4ntan p\u00e5 en ny tr\u00f6ska.<\/p>\n<p>Vi t\u00e4nker oss nu att min kompis g\u00e5rd ist\u00e4llet brukades av 20 b\u00f6nder som vardera hade 50 hektar.<\/p>\n<p>Om var och en av dem har en varsin tr\u00f6ska som spiller fyra procent s\u00e5 f\u00f6rlorar de 12 000 kronor per \u00e5r i form av spilld s\u00e4d. F\u00f6r var och en av dem \u00e4r 12 000 kronor inte tillr\u00e4ckligt f\u00f6r att motivera investeringen i en nyare tr\u00f6ska som spiller mindre.<\/p>\n<p>F\u00f6r storbonden \u00e4r det allts\u00e5 l\u00f6nsamt att investera i en \u00e5tg\u00e4rd som minskar f\u00f6rlusterna i form av spill, men inte f\u00f6r en sm\u00e5brukare.<\/p>\n<p>\u00c4ven om siffrorna i det h\u00e4r exemplet s\u00e4kert kan ifr\u00e5gas\u00e4ttas s\u00e5 var syftet att illustrera en princip. N\u00e4r en och samma lantbrukare har stor oms\u00e4ttning blir s\u00e5dant, som f\u00f6r en lantbrukare med mindre oms\u00e4ttning \u00e4r en bagatell, ganska mycket i kronor och \u00f6ren.<\/p>\n<p>Helt pl\u00f6tsligt blir det l\u00f6nt att investera i effektivare maskiner: g\u00f6dningsspridare och s\u00e5maskiner som inte sl\u00f6sar ett enda kilo i &#8221;dubbelk\u00f6rningar&#8221;, v\u00e4xtskyddssprutor d\u00e4r varje sektion kan st\u00e4ngas av, GPS-styrningar och br\u00e4nslesn\u00e5la motorer.<br \/>\nOm en &#8221;liten&#8221; bonde anv\u00e4nder sin enda traktor 500 timmar per \u00e5r s\u00e5 ger en br\u00e4nslebesparing p\u00e5 10% per timme ungef\u00e4r 600 liter mindre diesel\u00e5tg\u00e5ng per \u00e5r. P\u00e5 en stor g\u00e5rd d\u00e4r det kanske finns 15 traktorer ger samma \u00e5tg\u00e4rd en besparing p\u00e5 9 kubik diesel.<\/p>\n<p>Det lilla blir stort p\u00e5 en stor g\u00e5rd. P\u00e5 en liten g\u00e5rd m\u00e4rks inte varje litet sl\u00f6seri och \u00e4ven om det m\u00e4rks \u00e4r det fr\u00e5ga om s\u00e5 lite pengar att det inte \u00e4r l\u00f6nt att investera i effektiviseringar och besparande \u00e5tg\u00e4rder. P\u00e5 en stor g\u00e5rd kan besparingarna betala r\u00e4ntan p\u00e5 investeringen.<\/p>\n<p>Det finns argument f\u00f6r att sm\u00e5 g\u00e5rdar \u00e4r &#8221;h\u00e5llbarare&#8221; ocks\u00e5, men min k\u00e4nsla \u00e4r det \u00e4r mer som talar f\u00f6r att st\u00f6rre enheter vinner h\u00e5llbarhetst\u00e4vlingen.<\/p>\n<p>Eller vad tror ni?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Det finns argument f\u00f6r att sm\u00e5 g\u00e5rdar \u00e4r &#8221;h\u00e5llbarare&#8221; ocks\u00e5, men min k\u00e4nsla \u00e4r det \u00e4r mer som talar f\u00f6r att st\u00f6rre enheter vinner h\u00e5llbarhetst\u00e4vlingen. <\/p>\n","protected":false},"author":86,"featured_media":440,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>D\u00e4rf\u00f6r \u00e4r stora jordbruk h\u00e5llbarare \u00e4n sm\u00e5 - 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