{"id":172,"date":"2013-12-01T22:20:22","date_gmt":"2013-12-01T21:20:22","guid":{"rendered":"http:\/\/www.okusnivrt.com\/novice\/?p=172"},"modified":"2013-12-01T22:23:47","modified_gmt":"2013-12-01T21:23:47","slug":"zastirka","status":"publish","type":"post","link":"https:\/\/www.okusnivrt.com\/novice\/zastirka\/","title":{"rendered":"Zastirka pomaga pri var\u010devanju z vodo"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-173\" alt=\"zastirka\" src=\"http:\/\/www.okusnivrt.com\/novice\/wp-content\/uploads\/2013\/12\/zastirka-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"https:\/\/www.okusnivrt.com\/novice\/wp-content\/uploads\/2013\/12\/zastirka-300x225.jpg 300w, https:\/\/www.okusnivrt.com\/novice\/wp-content\/uploads\/2013\/12\/zastirka.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>Po definiciji je zastirka vse, kar se polaga na povr\u0161ino tal in se ne vkopava v tla (dodatki za izbolj\u0161avo tal). Odvisno od izbire zastirke, ima le-ta \u0161tevilne pozitivne lastnosti kot npr.:<\/p>\n<ul>\n<li>zmanj\u0161uje<br \/>\nhlapenje vode iz povr\u0161ine tal in zmanj\u0161a porabo vode za 25-50 %<\/li>\n<li>prepre\u010duje zbijanje tal<\/li>\n<li>stabilizira vla\u017enost tal (ni velikih nihanj)<\/li>\n<li>zavira rast plevelov<\/li>\n<li>zmanj\u0161uje nihanje temperature tal<\/li>\n<li>prepre\u010duje erozijo tal<\/li>\n<li>izbolj\u0161a estetski videz vrta<\/li>\n<\/ul>\n<h2>Uporaba zastirke<\/h2>\n<p>Zastirko lahko dodajamo na gredo tako, da se dviguje nad vi\u0161ino okoli\u0161ke trate, vendar se v tem primeru lahko \u00bbrazleze\u00ab po trati. Nasprotno lahko gredo poglobimo, tako da sta vi\u0161ini trate in zastirke poravnani. V tem primeru lahko pride do problemov z odtekanje povr\u0161inske vode. Najbolj\u0161a tehnika je, da je greda dvignjena in se spusti proti trati. Tudi v tem primeru sta zgornja robova trate in zastirke poravnana.<\/p>\n<h2>Vrste zastirke<\/h2>\n<p>Najpogosteje uporabljane zastirki sta organska in kamena zastirka.<\/p>\n<h3>Organska zastirka<\/h3>\n<p>Med organskimi zastirkami se pogosto uporablja zastirka iz lesa ali drevesne skorje, ki se lahko uporablja okrog dreves, grmovja in trajnic. Tak\u0161na zastirka po\u010dasi razpada in zmanj\u0161uje zbitost tal. Pri zastirki iz drevesne skorje se del du\u0161ika iz tal porabi pri razgradnji zastirke s strani mikroorganizmov. Simptomi pomanjkanja du\u0161ika se na rastlinah poka\u017eejo kot rumenenje spodnjih (starej\u0161ih) listov. V tem primeru dodamo tlem popolno gnojilo. Do tega pojava pa navadno pride le, \u010de zastirko vkopljemo v tla. Zastirka iz skorje ni primerna za tla z mo\u010dnim povr\u0161inskim tokom vode ali stoje\u010do vodo, saj plava in se s tem odna\u0161ajo z povr\u0161nim.<\/p>\n<p>Zastirko iz drevesne skorje uporabljamo v debelini 2-10 cm.<br \/>\nDebelina med 7 in 10 cm dobro zavre rast ve\u010dine plevelov. Na tleh, ki so mo\u010dno zbita ali vsebujejo veliko gline lahko zastirka z zmanj\u0161anjem izhlapevanja vode povzro\u010di visoko vla\u017enost tal, kar vodi v gnilobo korenin pri ob\u010dutljivih vrstah rastlin. Na tak\u0161nih tleh uporabimo 2-5 cm debel sloj zastirke. Ob drevesih moramo paziti, da zastirke ne nanesemo visoko ob steblu, saj lahko pride do motenj v funkciji skorje. Najbolje je, da zastirko umaknemo pribli\u017eno 10 cm od stebla.<\/p>\n<p>Na uporabnem vrtu pogosto uporabljamo tudi slamo (npr. za prekrivanje tal okrog bu\u010d in bu\u010dk) ali kompost. Slednji mora biti ustrezno pripravljen, saj je druga\u010de lahko vir \u0161tevilnih semen plevelov.<\/p>\n<h3>Kamena zastirka<\/h3>\n<p>Kamena zastirka je na zelenjavnem vrtu redko uporabljana. Prednosti kamnite zastirke pred zastirko iz skorje je v tem, da ne plava in spomladi pospe\u0161i razvoj rastlin, saj kamenje in prod skladi\u0161\u010dita toploto in jo oddajata preko no\u010di. Povi\u0161ana temperatura zaradi oddajanja toplote pa lahko pove\u010da potrebe rastlin po vodi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Po definiciji je zastirka vse, kar se polaga na povr\u0161ino tal in se ne vkopava v tla (dodatki za izbolj\u0161avo tal). Odvisno od izbire zastirke, ima le-ta \u0161tevilne pozitivne lastnosti kot npr.: zmanj\u0161uje hlapenje vode iz povr\u0161ine tal in zmanj\u0161a porabo vode za 25-50 % prepre\u010duje zbijanje tal stabilizira vla\u017enost tal (ni velikih nihanj) zavira &hellip; <a href=\"https:\/\/www.okusnivrt.com\/novice\/zastirka\/\" class=\"more-link\">Preberi ve\u010d <span class=\"screen-reader-text\">Zastirka pomaga pri var\u010devanju z vodo<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":173,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[39],"tags":[41,40],"class_list":["post-172","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ekoloska-pridelava","tag-ekoloska-pridelava-2","tag-pleveli"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Zastirka pomaga pri var\u010devanju z vodo - Okusni vrt<\/title>\n<meta name=\"description\" content=\"Z zastirko boste na gredah zmanj\u0161ali izgubo vode, kar bo zmanj\u0161alo nihanja v vlagi in stres za rastline. 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