{"id":109080,"date":"2026-06-22T00:15:51","date_gmt":"2026-06-21T22:15:51","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=109080"},"modified":"2026-06-21T12:18:27","modified_gmt":"2026-06-21T10:18:27","slug":"globalni-sklizen-ryze-se-za-50-let-temer-ctyrnasobne-zvysila-castecne-diky-co2","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2026\/06\/22\/globalni-sklizen-ryze-se-za-50-let-temer-ctyrnasobne-zvysila-castecne-diky-co2\/","title":{"rendered":"Glob\u00e1ln\u00ed sklize\u0148 r\u00fd\u017ee se za 50 let t\u00e9m\u011b\u0159 \u010dty\u0159n\u00e1sobn\u011b zv\u00fd\u0161ila \u2013 \u010d\u00e1ste\u010dn\u011b d\u00edky CO2!"},"content":{"rendered":"
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V\u011bd\u011bli jste, \u017ee celosv\u011btov\u00e1 sklize\u0148 r\u00fd\u017ee se za posledn\u00ed p\u016flstolet\u00ed zv\u00fd\u0161ila p\u0159ibli\u017en\u011b o 270 procent? To je t\u00e9m\u011b\u0159 \u010dty\u0159n\u00e1sobn\u00fd n\u00e1r\u016fst. D\u016fvod\u016f je mnoho \u2013 od mechanizace a v\u00fdnosn\u011bj\u0161\u00edch odr\u016fd r\u00fd\u017ee a\u017e po efektivn\u011bj\u0161\u00ed vyu\u017e\u00edv\u00e1n\u00ed hnojiv a samotn\u00fd efekt hnojen\u00ed CO2.<\/span><\/strong><\/p>\n

Pokud by se klimatick\u00fdm alarmist\u016fm m\u011blo poda\u0159it prosadit, sv\u011bt by u\u017e le\u017eel na smrteln\u00e9 posteli, proto\u017ee koncentrace CO2 roste a planetu su\u017euj\u00ed \u00fadajn\u011b apokalyptick\u00e9 pov\u011btrnostn\u00ed katastrofy. Zm\u011bna klimatu podle nich ohro\u017euje tak\u00e9 \u00farodu, a t\u00edm i glob\u00e1ln\u00ed produkci potravin. Pokud jde v\u0161ak o glob\u00e1ln\u00ed produkci r\u00fd\u017ee \u2013 z\u00e1kladn\u00ed potraviny pro miliardy lid\u00ed \u2013 zjevn\u011b nen\u00ed\u00a0<\/span>d\u016fvod k poplachu<\/span><\/a> . Data Organizace OSN pro v\u00fd\u017eivu a zem\u011bd\u011blstv\u00ed (FAO) ukazuj\u00ed robustn\u00ed r\u016fst sklizn\u00ed.<\/span><\/p>\n

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\u010c\u00edsla hovo\u0159\u00ed jasn\u011b: Od roku 1961 do roku 2024 se plocha sklizen\u00e9 r\u00fd\u017ee zv\u00fd\u0161ila z p\u0159ibli\u017en\u011b 115,5 milionu hektar\u016f na zhruba 164 milion\u016f hektar\u016f \u2013 co\u017e p\u0159edstavuje n\u00e1r\u016fst zhruba o 42 procent. Pr\u016fm\u011brn\u00fd v\u00fdnos na hektar se v\u0161ak zv\u00fd\u0161il z p\u0159ibli\u017en\u011b 1,9 na t\u00e9m\u011b\u0159 4,9 tuny. To p\u0159edstavuje n\u00e1r\u016fst p\u0159ibli\u017en\u011b o 161 procent. Statisticky zhruba t\u0159i \u010dtvrtiny dlouhodob\u00e9ho n\u00e1r\u016fstu produkce poch\u00e1zej\u00ed z vy\u0161\u0161\u00edch v\u00fdnos\u016f, zat\u00edmco pouze asi \u010dtvrtina je zp\u016fsobena dodate\u010dnou sklizenou plochou. To je zp\u016fsobeno n\u011bkolika faktory. \u0160lecht\u011bn\u00ed odr\u016fd, hnojiva, zavla\u017eov\u00e1n\u00ed, ochrana plodin, mechanizace, vylep\u0161en\u00e9 metody p\u011bstov\u00e1n\u00ed a v\u00edcen\u00e1sobn\u00e9 sklizn\u011b na sob\u011b vz\u00e1jemn\u011b p\u016fsob\u00ed.<\/span><\/p>\n

A co efekt hnojen\u00ed CO2? Podle n\u011bkolika studi\u00ed se jedn\u00e1 o p\u0159ibli\u017en\u011b 15 a\u017e 25 procent. Zpr\u00e1va Report24\u00a0<\/span>ji\u017e informovala<\/span><\/a>\u00a0o pozitivn\u00edch \u00fa\u010dinc\u00edch vy\u0161\u0161\u00edch koncentrac\u00ed CO2 v atmosf\u00e9\u0159e na kuku\u0159ici. Zpr\u00e1va Report24 se tak\u00e9\u00a0<\/span>zab\u00fdvala<\/span><\/a> obecn\u011b pozitivn\u00edm efektem teplej\u0161\u00ed Zem\u011b s v\u011bt\u0161\u00edm mno\u017estv\u00edm CO2 . Zhruba lze tedy p\u0159edpokl\u00e1dat, \u017ee zhruba 100 milion\u016f tun sou\u010dasn\u00e9 ro\u010dn\u00ed sklizn\u011b r\u00fd\u017ee (asi osmina celkov\u00e9 sklizn\u011b) je pravd\u011bpodobn\u011b v\u00fdsledkem efektu hnojen\u00ed CO2.<\/span><\/p>\n

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Atmosf\u00e9rick\u00fd oxid uhli\u010dit\u00fd je d\u016fle\u017eit\u00fdm faktorem \u017eivotn\u00edho prost\u0159ed\u00ed, kter\u00fd podporuje fotosynt\u00e9zu a zlep\u0161uje \u00fa\u010dinnost vyu\u017e\u00edv\u00e1n\u00ed vody rostlinami r\u00fd\u017ee. D\u00edky slune\u010dn\u00edmu z\u00e1\u0159en\u00ed rostliny p\u0159em\u011b\u0148uj\u00ed uhl\u00edk z CO2 na biologick\u00fd materi\u00e1l spolu s vodou a \u017eivinami z p\u016fdy, zat\u00edmco kysl\u00edk obsa\u017een\u00fd v oxidu uhli\u010dit\u00e9m uvol\u0148uj\u00ed zp\u011bt do ovzdu\u0161\u00ed. Vzhledem k tomu, \u017ee r\u00fd\u017ei lze p\u011bstovat pouze v teplej\u0161\u00edch oblastech, pravd\u011bpodobn\u011b podpo\u0159ila produkci i obecn\u00e1 zm\u011bna klimatu, zejm\u00e9na v nejvzd\u00e1len\u011bj\u0161\u00edch z\u00f3n\u00e1ch glob\u00e1ln\u00edho r\u00fd\u017eov\u00e9ho p\u00e1su.<\/span><\/p>\n

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Jak u\u017e tak \u010dasto b\u00fdv\u00e1, roz\u0161\u00ed\u0159en\u00e9 \u0161\u00ed\u0159en\u00ed strachu ze strany klimatick\u00fdch alarmist\u016f a realita tohoto sv\u011bta maj\u00ed jen m\u00e1lo spole\u010dn\u00e9ho. P\u0159\u00edroda se v posledn\u00edch stovk\u00e1ch milion\u016f let uk\u00e1zala jako extr\u00e9mn\u011b odoln\u00e1 a zjevn\u011b bez probl\u00e9m\u016f p\u0159e\u017eila i n\u011bkolik masov\u00fdch vym\u00edr\u00e1n\u00ed. Rostlinn\u00fd a \u017eivo\u010di\u0161n\u00fd \u017eivot se p\u0159izp\u016fsobuje m\u011bn\u00edc\u00edm se podm\u00ednk\u00e1m a i my lid\u00e9 \u2013 kte\u0159\u00ed jsme poch\u00e1zeli z tepl\u00fdch oblast\u00ed v podstatn\u011b teplej\u0161\u00edch dob\u00e1ch ne\u017e dnes \u2013 jsme se p\u0159izp\u016fsobili r\u016fzn\u00fdm glob\u00e1ln\u00edm klimatick\u00fdm podm\u00ednk\u00e1m.<\/span><\/p>\n

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

V\u011bd\u011bli jste, \u017ee celosv\u011btov\u00e1 sklize\u0148 r\u00fd\u017ee se za posledn\u00ed p\u016flstolet\u00ed zv\u00fd\u0161ila p\u0159ibli\u017en\u011b o 270 procent?…<\/p>\n","protected":false},"author":2,"featured_media":109081,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[2692,1334,5969,3104],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/109080"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=109080"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/109080\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/109081"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=109080"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=109080"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=109080"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}