{"id":4960,"date":"2020-10-08T01:06:25","date_gmt":"2020-10-08T01:06:25","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=4960"},"modified":"2020-10-08T01:06:25","modified_gmt":"2020-10-08T01:06:25","slug":"understanding-soil-ph-and-how-to-raise-it","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/plant-science\/understanding-soil-ph-and-how-to-raise-it\/","title":{"rendered":"Pochopen\u00ed pH p\u016fdy a jak ho zv\u00fd\u0161it"},"content":{"rendered":"

Pochopen\u00ed pH p\u016fdy a jak ho zv\u00fd\u0161it<\/h2>\n\n

pH p\u016fdy a r\u016fst rostlin<\/h3>\n\n

pH p\u016fdy, m\u011b\u0159\u00edtko jej\u00ed kyselosti \u010di z\u00e1saditosti, je kl\u00ed\u010dov\u00e9 pro r\u016fst rostlin. V\u011bt\u0161in\u011b rostlin se da\u0159\u00ed v neutr\u00e1ln\u00edch a\u017e m\u00edrn\u011b kysel\u00fdch p\u016fd\u00e1ch (pH 5,8 a\u017e 6,5). N\u011bkter\u00e9 rostliny, jako jsou azalky, rododendrony a bor\u016fvky, v\u0161ak d\u00e1vaj\u00ed p\u0159ednost kysel\u00fdm p\u016fd\u00e1m (pH 5,0 a\u017e 5,5), zat\u00edmco jin\u00e9, jako jsou brukvovit\u00e9 zeleniny a orl\u00ed\u010dky, snesou m\u00edrn\u011b z\u00e1sadit\u00e9 p\u016fdy (pH 7,0 a\u017e 8,0).<\/p>\n\n

Kyselost a z\u00e1saditost p\u016fdy<\/h3>\n\n

Kyselost p\u016fdy nen\u00ed statick\u00e1 a m\u016f\u017ee se v pr\u016fb\u011bhu \u010dasu m\u011bnit v d\u016fsledku p\u0159irozen\u00fdch nebo \u010dlov\u011bkem zp\u016fsoben\u00fdch faktor\u016f, jako jsou nadm\u011brn\u00e9 sr\u00e1\u017eky, rozklad organick\u00e9 hmoty a pou\u017e\u00edv\u00e1n\u00ed dus\u00edkat\u00fdch chemick\u00fdch hnojiv. Kyselost p\u016fdy pod pH 5,0 m\u016f\u017ee br\u00e1nit r\u016fstu rostlin, co\u017e vy\u017eaduje opat\u0159en\u00ed ke zv\u00fd\u0161en\u00ed pH p\u016fdy.<\/p>\n\n

Testov\u00e1n\u00ed pH p\u016fdy<\/h3>\n\n

P\u0159ed zm\u011bnou pH p\u016fdy je d\u016fle\u017eit\u00e9 ji otestovat pomoc\u00ed testovac\u00ed soupravy na pH nebo m\u011b\u0159i\u010de pH. Tento test ur\u010d\u00ed aktu\u00e1ln\u00ed hodnotu pH a poskytne n\u00e1vod, jak\u00e9 \u00fapravy p\u016fdy jsou pot\u0159eba.<\/p>\n\n

Metody pro zv\u00fd\u0161en\u00ed pH p\u016fdy<\/h3>\n\n

V\u00e1penec<\/h2>\n\n

V\u00e1penec neboli zahradn\u00ed v\u00e1pno je nejb\u011b\u017en\u011bj\u0161\u00ed p\u016fdn\u00ed \u00faprava pou\u017e\u00edvan\u00e1 ke sn\u00ed\u017een\u00ed kyselosti p\u016fdy. Jedn\u00e1 se o mlet\u00fd v\u00e1penec, kter\u00fd je k dispozici v r\u016fzn\u00fdch form\u00e1ch, v\u010detn\u011b pr\u00e1\u0161kov\u00e9, granulovan\u00e9, peletovan\u00e9 a hydratovan\u00e9. Pr\u00e1\u0161kov\u00fd v\u00e1penec p\u016fsob\u00ed nejrychleji, ale m\u016f\u017ee se slepit, zat\u00edmco granulovan\u00fd a peletovan\u00fd v\u00e1penec se slepuje m\u00e9n\u011b. Hydratovan\u00fd v\u00e1penec zvy\u0161uje pH rychle, ale vy\u017eaduje opatrn\u00e9 zach\u00e1zen\u00ed kv\u016fli sv\u00e9 reaktivit\u011b.<\/p>\n\n

Dolomit<\/h2>\n\n

Dolomit obsahuje jak v\u00e1pn\u00edk, tak ho\u0159\u010d\u00edk, na rozd\u00edl od v\u00e1pencov\u00e9ho dolomitu, kter\u00fd obsahuje pouze v\u00e1pn\u00edk. Oba typy v\u00e1pna neutralizuj\u00ed kyselost p\u016fdy stejn\u011b, ale dolomit se \u010dasto prod\u00e1v\u00e1 v peletovan\u00e9 form\u011b.<\/p>\n\n

Na\u010dasov\u00e1n\u00ed \u00fapravy pH p\u016fdy<\/h3>\n\n

U zeleninov\u00e9 zahrady by se m\u011bla p\u016fda upravit na podzim nebo v zim\u011b p\u0159ed jarn\u00ed v\u00fdsadbou. U ji\u017e zaveden\u00fdch rostlin, jako jsou hortenzie, lze v\u00e1pno p\u0159idat brzy na ja\u0159e, pozd\u011b na ja\u0159e nebo na podzim. Vyhn\u011bte se p\u0159id\u00e1v\u00e1n\u00ed v\u00e1pna b\u011bhem vlhk\u00fdch let, proto\u017ee k reakci pot\u0159ebuje vodu a zm\u011bna pH p\u016fdy trv\u00e1 n\u011bjakou dobu.<\/p>\n\n

Faktory ovliv\u0148uj\u00edc\u00ed pH p\u016fdy<\/h3>\n\n

Typ horniny:<\/strong> Kysel\u00e1 \u017eulov\u00e1 hornina p\u0159isp\u00edv\u00e1 ke kysel\u00e9 p\u016fd\u011b, zat\u00edmco z\u00e1sadit\u00fd b\u0159idlice nebo v\u00e1penec p\u0159isp\u00edv\u00e1 k z\u00e1sadit\u00e9 p\u016fd\u011b.<\/p>\n\n

Sr\u00e1\u017eky:<\/strong> \u010cast\u00e9 a siln\u00e9 sr\u00e1\u017eky vyplavuj\u00ed z\u00e1sadit\u00e9 prvky z p\u016fdy, \u010d\u00edm\u017e ji \u010din\u00ed kyselej\u0161\u00ed.<\/p>\n\n

Organick\u00e1 hmota:<\/strong> Nahromad\u011bn\u00e9 list\u00ed, jehli\u010d\u00ed a dal\u0161\u00ed rozkl\u00e1daj\u00edc\u00ed se organick\u00e1 hmota mohou tak\u00e9 zv\u00fd\u0161it kyselost p\u016fdy.<\/p>\n\n

\u010cast\u00e9 dotazy<\/h3>\n\n

Zv\u00fd\u0161\u00ed jedl\u00e1 soda pH p\u016fdy?<\/h2>\n\n

Jedl\u00e1 soda m\u016f\u017ee do\u010dasn\u011b zv\u00fd\u0161it pH p\u016fdy, ale nen\u00ed to doporu\u010dovan\u00e9 dlouhodob\u00e9 \u0159e\u0161en\u00ed, proto\u017ee m\u016f\u017ee rostliny sp\u00e1lit.<\/p>\n\n

Kter\u00e9 stromy d\u00e1vaj\u00ed p\u0159ednost vysok\u00e9mu pH?<\/h2>\n\n

Stromy Cercis canadensis a l\u00edpa jsou mezi t\u011bmi, kter\u00e9 toleruj\u00ed nebo d\u00e1vaj\u00ed p\u0159ednost z\u00e1sadit\u00fdm p\u016fd\u00e1m.<\/p>\n\n

Co se stane, kdy\u017e nezv\u00fd\u0161\u00edm pH p\u016fdy?<\/h2>\n\n

V z\u00e1vislosti na z\u00e1va\u017enosti kyselosti p\u016fdy m\u016f\u017ee b\u00fdt ovlivn\u011bno zdrav\u00ed rostlin. Pokud v\u0161ak p\u016fda nen\u00ed extr\u00e9mn\u011b kysel\u00e1, m\u016f\u017ee b\u00fdt mo\u017en\u00e9 p\u011bstovat rostliny, kter\u00e9 preferuj\u00ed kysel\u00e9 podm\u00ednky.<\/p>","protected":false},"excerpt":{"rendered":"

Pochopen\u00ed pH p\u016fdy a jak ho zv\u00fd\u0161it pH p\u016fdy a r\u016fst rostlin pH p\u016fdy, m\u011b\u0159\u00edtko jej\u00ed kyselosti \u010di z\u00e1saditosti, je kl\u00ed\u010dov\u00e9 pro r\u016fst rostlin. V\u011bt\u0161in\u011b rostlin se da\u0159\u00ed v neutr\u00e1ln\u00edch…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7685],"tags":[8885,8882,7389,8886,8884,8883],"class_list":["post-4960","post","type-post","status-publish","format-standard","hentry","category-plant-science","tag-dolomitic-lime","tag-soil-ph","tag-soil-science","tag-plant-growth","tag-limestone","tag-soil-amendment"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/4960","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=4960"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/4960\/revisions"}],"predecessor-version":[{"id":4961,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/4960\/revisions\/4961"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=4960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=4960"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=4960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}