{"id":29841,"date":"2015-08-11T09:00:26","date_gmt":"2015-08-11T07:00:26","guid":{"rendered":"https:\/\/www.agrivi.com\/uncategorized-hr\/korovi-kao-indikatori-tla\/"},"modified":"2021-12-14T00:10:48","modified_gmt":"2021-12-13T23:10:48","slug":"korovi-kao-indikatori-tla","status":"publish","type":"post","link":"https:\/\/www.agrivi.com\/hr\/blog\/korovi-kao-indikatori-tla\/","title":{"rendered":"Korovi kao indikatori tla"},"content":{"rendered":"

Poljoprivrednici se stalno bore s korovima, ali korovi mogu imati i korisnu svrhu \u2013 mogu se koristiti kao indikatori stanja tla. Jednostavno promatranjem naj\u010de\u0161\u0107ih vrsta korova koje rastu na odre\u0111enom podru\u010dju, mo\u017eemo odrediti da li je tlo kiselo ili lu\u017enato, da li je zdravo, uravnote\u017eeno ili iscrpljeno. Korovi mogu ukazati na lo\u0161e drenirano tlo ili tlo koje nije u mogu\u0107nosti zadr\u017eati vlagu. Mogu \u010dak ukazivati na neuravnote\u017eenost tla hranjivima, da li su pretjerano bogata ili nedovoljno ishranjena pojedinim hranjivom. Ako se na kultiviranom tlu iznenada pojavi odre\u0111ena vrsta korova, odnosno ako ta vrsta dominira, ona ukazuje na pogre\u0161ke u upravljanju tehnologijom uzgoja i stanju tla. Na primjer, poljska preslica, poljska metvica i puzavi \u017eabnjak ukazuju na zbijeno tlo i vi\u0161ak vlage, dok kopriva i mi\u0161jakina pokazuju da je tlo bogato humusom. Pojedini korovi koji ukazuju na koli\u010dinu hranjivih tvari u tlu korisni su u odre\u0111ivanju neuravnote\u017ee tla. Tako jednogodi\u0161nja vlasnja\u010da ukazuje na vrlo nisku kalcija, niski humus, nizak broj bakterija i visoku razinu magnezija u tlu. \u010ci\u010dak raste u tlu vrlo bogatom \u017eeljezom i sulfatom, te vrlo niskom razinom kalcija i mangana. Uskolisni trputac ukazuje na vrlo nisku razinu kalcija, humusa i vrlo visoku razinu klora, magnezija, kalija i natrija. Obi\u010dna i mi\u0161ouha mi\u0161jakina ukazuju na vrlo niske razine kalcija i fosfora, te vrlo visoke razine kalija i natrija. Svra\u010dica pak ukazuje na vrlo niske razine kalcija i fosfora, niski pH, nisk humus, te vrlo visoke razine klora, magnezija i kalija.<\/p>\n

Kori\u0161tenje korova kao pokazatelja tla nije novi koncept. Po\u010detkom nove ere, veliki rimski u\u010denjak, Plinije Stariji primijetio je da je zemlja na kojoj rastu divlja \u0161ljiva, hrast, i malina povoljna za proizvodnju p\u0161enice. Mnogi imigranti Sjeverne Amerike za podizanje svojih poljoprivrednih gospodarstava, birali su zemlju prema vegetaciji koja je na njoj rasla. Uvidjeli su da je zemlja na kojoj raste \u0161uma breze, bukve i javora imala plodno tlo, dok ona na kojoj su rasle \u0161ume bijelog bora imala pjeskovito tlo, male poljoprivredne vrijednosti. Odre\u0111ivanje svojstva tla prema vrsti korova koja tamo obitava mo\u017ee biti osobito korisno kod obrade nepoljoprivrednog zemlji\u0161ta u poljoprivredno, za uzgoj neke kulture, jer poma\u017ee odrediti koje tehnike i alate za obradu tla primjeniti. No, da bi dobili to\u010dnu procjenu stanja tla, treba odrediti koja vrsta je dominantna ili promatrati nekoliko naj\u010de\u0161\u0107ih vrsta. Na primjer, masla\u010dak i divizma ukazuju na kiselu zemlju, ali prisutnost divizme tako\u0111er mo\u017ee zna\u010diti nisku plodnost tla, pa ako je na\u0111emo samog, to mo\u017ee imati vi\u0161e zna\u010denja, ali ako je na\u0111emo s masla\u010dkom, tada ukazuje na kiselo tlo.<\/p>\n

Ako na ve\u0107 odradivoj povr\u0161ini tijekom vremena do\u0111e do promjene korovnih vrsta koje tamo obitavaju, zna\u010di da je do\u0161lo do promjene zdravlja i svojstva tla. Izme\u0111u \u010dovjeka i korova uvijek \u0107e se voditi bitka, usprkos tome \u0161to znamo da se korovi mogu koristiti ne samo kao indikatori tla, ve\u0107 osiguravaju neophodan nektar i pelud, hranu potrebnu korisnim insektima da zavr\u0161e svoj \u017eivotni ciklus. U tablici mo\u017eete vidjeti popis korovnih biljaka koje ukazuju na odre\u0111eno stanje i ishranjenost tla:<\/p>\n

\"korovi\"<\/p>\n

\"korovii\"<\/p>\n

<\/div>\n

Korovi kao indikatori tla<\/p>\n

 <\/p>\n

Izvor:\u00a0http:\/\/www.agroklub.com\/hortikultura\/biljke-indikatori-obzirom-na-stanje-tla\/15608\/<\/a><\/p>\n"},"excerpt":{"rendered":"

Poljoprivrednici se stalno bore s korovima, ali korovi mogu imati i korisnu svrhu \u2013 mogu se koristiti kao indikatori stanja tla. Jednostavno promatranjem naj\u010de\u0161\u0107ih vrsta korova koje rastu na odre\u0111enom podru\u010dju, mo\u017eemo odrediti da li je tlo kiselo ili lu\u017enato, da li je zdravo, uravnote\u017eeno ili iscrpljeno. Korovi mogu ukazati na lo\u0161e drenirano tlo ili
PRO\u010cITAJTE VI\u0160E<\/a><\/p>\n","protected":false},"author":13,"featured_media":31764,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[384,398],"tags":[],"class_list":["post-29841","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-poljoprivredne-prakse"],"acf":[],"yoast_head":"\nKorovi kao indikatori tla - AGRIVI<\/title>\n<meta name=\"description\" content=\"Korovi kao indikatori tla AGRIVI\" \/>\n<meta name=\"robots\" content=\"index, nofollow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.agrivi.com\/hr\/blog\/korovi-kao-indikatori-tla\/\" \/>\n<meta property=\"og:locale\" content=\"hr_HR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Korovi kao indikatori tla - AGRIVI\" \/>\n<meta property=\"og:description\" content=\"Korovi kao indikatori tla AGRIVI\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.agrivi.com\/hr\/blog\/korovi-kao-indikatori-tla\/\" \/>\n<meta property=\"og:site_name\" content=\"AGRIVI\" \/>\n<meta property=\"article:published_time\" content=\"2015-08-11T07:00:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-12-13T23:10:48+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.agrivi.com\/wp-content\/uploads\/2014\/08\/Blog-Weeds-Indicators.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"565\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Tanja Folnovi\u0107\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napisao\/la\" \/>\n\t<meta name=\"twitter:data1\" content=\"Tanja Folnovi\u0107\" \/>\n\t<meta name=\"twitter:label2\" content=\"Procijenjeno vrijeme \u010ditanja\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.agrivi.com\\\/hr\\\/blog\\\/korovi-kao-indikatori-tla\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.agrivi.com\\\/hr\\\/blog\\\/korovi-kao-indikatori-tla\\\/\"},\"author\":{\"name\":\"Tanja Folnovi\u0107\",\"@id\":\"https:\\\/\\\/www.agrivi.com\\\/hr\\\/#\\\/schema\\\/person\\\/7c64936e9c0b87b8385f4bb18253c4ca\"},\"headline\":\"Korovi kao indikatori tla\",\"datePublished\":\"2015-08-11T07:00:26+00:00\",\"dateModified\":\"2021-12-13T23:10:48+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.agrivi.com\\\/hr\\\/blog\\\/korovi-kao-indikatori-tla\\\/\"},\"wordCount\":563,\"publisher\":{\"@id\":\"https:\\\/\\\/www.agrivi.com\\\/hr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.agrivi.com\\\/hr\\\/blog\\\/korovi-kao-indikatori-tla\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.agrivi.com\\\/wp-content\\\/uploads\\\/2014\\\/08\\\/Blog-Weeds-Indicators.png\",\"articleSection\":[\"Blog\",\"Poljoprivredne prakse\"],\"inLanguage\":\"hr\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.agrivi.com\\\/hr\\\/blog\\\/korovi-kao-indikatori-tla\\\/\",\"url\":\"https:\\\/\\\/www.agrivi.com\\\/hr\\\/blog\\\/korovi-kao-indikatori-tla\\\/\",\"name\":\"Korovi kao indikatori tla - 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