{"id":16909,"date":"2020-08-26T10:00:06","date_gmt":"2020-08-26T07:00:06","guid":{"rendered":"http:\/\/localhost\/ha-mar-napelemet-veszel-ultess-ala-paradicsomot\/"},"modified":"2020-08-26T10:00:06","modified_gmt":"2020-08-26T10:00:06","slug":"ha-mar-napelemet-veszel-ultess-ala-paradicsomot","status":"publish","type":"post","link":"https:\/\/milvus.ro\/hu\/ha-mar-napelemet-veszel-ultess-ala-paradicsomot\/","title":{"rendered":"Ha m\u00e1r napelemet veszel, \u00fcltess al\u00e1 paradicsomot"},"content":{"rendered":"\"\"Bizonyos mez\u0151gazdas\u00e1gi n\u00f6v\u00e9nyek term\u00e9shozam\u00e1t serkenti, ha napelemek al\u00e1 \u00fcltetj\u00fck. Egy nemr\u00e9g megjelent tanulm\u00e1ny<\/a>\u00a0bizony\u00edtja, hogy a napelemek \u00e9s a mez\u0151gazdas\u00e1gi n\u00f6v\u00e9nyek nem mindig \u00e1llnak versenyben egym\u00e1ssal a napf\u00e9ny\u00e9rt. Sok esetben ak\u00e1r, k\u00f6lcs\u00f6n\u00f6s haszon is sz\u00e1rmazhat egy\u00fcttes jelenl\u00e9t\u00fckb\u0151l.\n\nA vil\u00e1gon, \u00edgy Rom\u00e1ni\u00e1ban is egyre nagyobb az ig\u00e9ny a z\u00f6ld energia termel\u00e9s\u00e9re. A term\u00e9szetbar\u00e1t megold\u00e1soknak egyike, a napenergia hasznos\u00edt\u00e1sa, hiszen ha megfelel\u0151en van telep\u00edtve, akkor ez m\u00e9g annyi term\u00e9szet rombol\u00e1ssal sem j\u00e1r, mint egy k\u00f6r\u00fcltekint\u0151en meg\u00e9p\u00edtett v\u00edzer\u0151m\u0171. Sajnos m\u00e9gis egyre t\u00f6bb ellentmond\u00e1st sz\u00fcl, amikor a napelem parkokat j\u00f3 min\u0151s\u00e9g\u0171 term\u0151f\u00f6ldekre vagy v\u00e9dett gyepekre telep\u00edtik.\n\nEz\u00e9rt \u00fagy t\u0171nik, hogy a napelemek kihelyez\u00e9se \u00e9s a mez\u0151gazdas\u00e1gi n\u00f6v\u00e9nyek termeszt\u00e9se egym\u00e1ssal versenyhelyzetben l\u00e9v\u0151 \u00e1gazatok. Egyiknek a fotoszint\u00e9zis elv\u00e9gz\u00e9s\u00e9hez, m\u00e1siknak az energia begy\u0171jt\u00e9s\u00e9hez van n\u00e9lk\u00fcl\u00f6zhetetlen sz\u00fcks\u00e9ge a napf\u00e9nyre. Vajon biztos-e, hogy ebben az esetben is a vadon t\u00f6rv\u00e9nyei uralkodnak \u00e9s csak egyik \u00e9rv\u00e9nyes\u00fclhet egy adott ter\u00fcleten?\n\nGreg Barron-Gafford, az Arizoniai Egyetem professzora vezet\u00e9s\u00e9vel egy munkacsoport j\u00e1rta k\u00f6rbe a k\u00e9rd\u00e9st, s kider\u00edtett\u00e9k, hogy bizonyos esetekben nem kell v\u00e1lasztani a n\u00f6v\u00e9nytermeszt\u00e9s \u00e9s a napenergia hasznos\u00edt\u00e1s k\u00f6z\u00f6tt. S\u0151t van, amikor kifejezetten hasznos a mez\u0151gazdas\u00e1gi termel\u00e9s \u00e9s a napelemek elhelyez\u00e9se egyazon ter\u00fcleten.\n\nA tanulm\u00e1nyt D\u00e9lnyugat-Amerika sz\u00e1razs\u00e1g s\u00fajtotta ter\u00fcletein v\u00e9gezt\u00e9k a ny\u00e1ri h\u00f3napokban. A talaj menti h\u0151s\u00e9g megnehez\u00edti a n\u00f6v\u00e9nyek \u00e9let\u00e9t. Ezeken a ter\u00fcleteken rengeteg n\u00f6v\u00e9ny sz\u00e1rad ki a t\u0171z\u0151 napon, s el\u0151rel\u00e1that\u00f3an egyre nagyobb sz\u00e1razs\u00e1gok v\u00e1rhat\u00f3ak.\n\nAzonban, ha napelemeket helyez\u00fcnk ki ezekre a ter\u00fcletekre, \u00e1rny\u00e9kuknak k\u00f6sz\u00f6nhet\u0151en cs\u00f6kkenhet a talaj menti h\u0151m\u00e9rs\u00e9kletet, s ezzel egy\u00fctt a p\u00e1rologtat\u00e1s is. \u00cdgy a n\u00f6v\u00e9ny v\u00edzk\u00e9szlete megmarad. A napelemek alatt leh\u0171lt leveg\u0151 egy\u00fattal h\u0171ti a napelemeket is. Mivel a napelemek teljes\u00edtm\u00e9nye cs\u00f6kken a magas h\u0151m\u00e9rs\u00e9kleten, n\u00f6v\u00e9nytermeszt\u00e9ssel egy\u00fcttesen haszn\u00e1lva t\u00f6bb elektromos energi\u00e1t lehet termelni.\n\nA kutat\u00e1st h\u00e1rom ter\u00fcleten v\u00e9gezt\u00e9k. Egyik ter\u00fcleten csak n\u00f6v\u00e9nyeket termesztettek, a m\u00e1sikon csak napelemeket helyeztek ki,a harmadikon mindkett\u0151t egy\u00fcttesen haszn\u00e1lt\u00e1k. A napelemeket 3 m\u00e9tern\u00e9l kicsit magasabbra helyezt\u00e9k a f\u00f6ldt\u0151l. Ez magasabb az \u00e1ltal\u00e1nos standard elhelyez\u00e9sn\u00e9l, viszont lehet\u0151v\u00e9 teszi a mez\u0151gazdas\u00e1gi munk\u00e1t. Mindh\u00e1rom ter\u00fcleten ugyanolyan h\u0151m\u00e9rs\u00e9klet, nedvess\u00e9g \u00e9s talaj\u00f6sszet\u00e9tel volt.\n\nTesztn\u00f6v\u00e9nyk\u00e9nt a n\u00e1lunk is kedvelt mez\u0151gazdas\u00e1gi n\u00f6v\u00e9nyt, a cherry paradicsomot\u00a0 haszn\u00e1ltak. A vizsg\u00e1latb\u00f3l kider\u00fclt, hogy ott ahol a napelemet alatt n\u00f6v\u00e9nyeket is termesztettek a leveg\u0151 h\u0151m\u00e9rs\u00e9klete \u00e1tlagosan 1 o<\/sup>C-al h\u0171v\u00f6sebb volt a nap sor\u00e1n, \u00e9s 0,5 o<\/sup>C- al melegebb maradt \u00e9jszaka. A n\u00f6v\u00e9nyek miatt a panelek h\u0151m\u00e9rs\u00e9klete 9 o<\/sup>C-al h\u0171v\u00f6sebb volt, s ez\u00e9rt 3 sz\u00e1zal\u00e9kkal t\u00f6bb energi\u00e1t\u00a0 termeltek. A paradicsomok is megh\u00e1l\u00e1lt\u00e1k a napelemek \u00e1rny\u00e9k\u00e1t. A n\u00f6v\u00e9nyek 65 sz\u00e1zal\u00e9kkal t\u00f6bb sz\u00e9ndioxidot vettek fel fotoszint\u00e9zis\u00fckh\u00f6z \u00e9s k\u00e9tszer annyi term\u00e9st hoztak, mint napf\u00e9nynek kitett t\u00e1rsaik.\n\nUgyan a napelemek felszerel\u00e9se sz\u00e1mos gondot okozhat a mez\u0151gazdas\u00e1gi ter\u00fcleteken (betakar\u00edt\u00e1si g\u00e9pek nem f\u00e9rnek el alattuk, m\u00e1s n\u00f6v\u00e9nyfajok eset\u00e9ben term\u00e9shozam cs\u00f6kken\u00e9st okozhat), m\u00e9gis sz\u00e1mos helyzetben \u00e9rdemes m\u00e9rlegelni a napelemek \u00e9s a n\u00f6v\u00e9nytermeszt\u00e9s kombin\u00e1l\u00e1s\u00e1t. A mez\u0151gazdas\u00e1gi termel\u0151k vizet takar\u00edthatnak meg, p\u00e9nzt kereshetnek napelemek b\u00e9rleti szerz\u0151d\u00e9seib\u0151l, munk\u00e1saik sokkal k\u00e9nyelmesebben \u00e9s biztons\u00e1gosabban dolgozhatnak az \u00e1rny\u00e9kban. Az eredm\u00e9ny el\u0151seg\u00edti a napenergia hasznos\u00edt\u00e1s\u00e1hoz sz\u00fcks\u00e9ges infrastrukt\u00fara terjeszked\u00e9s\u00e9t an\u00e9lk\u00fcl, hogy a ter\u00fclet\u00e9rt versenyezne a mez\u0151gazdas\u00e1ggal.\n\nRom\u00e1ni\u00e1ban \u00e9s azon bel\u00fcl Erd\u00e9lyben is rengeteg kis- \u00e9s nagygazda szenved a sz\u00e1razs\u00e1g okozta k\u00e1rokt\u00f3l, s ez\u00e9rt itthon is igen megfontoland\u00f3 a kutat\u00e1s eredm\u00e9nye.\n\nM\u00e1r mi is beizz\u00edtottuk saj\u00e1t napelemeinket a Chituc turz\u00e1son, amelyek \u00e1ramot \u00e9s \u00e1rny\u00e9kot is biztos\u00edtanak egyszerre.","protected":false},"excerpt":{"rendered":"Bizonyos mez\u0151gazdas\u00e1gi n\u00f6v\u00e9nyek term\u00e9shozam\u00e1t serkenti, ha napelemek al\u00e1 \u00fcltetj\u00fck. Egy nemr\u00e9g megjelent tanulm\u00e1ny\u00a0bizony\u00edtja, hogy a napelemek \u00e9s a mez\u0151gazdas\u00e1gi n\u00f6v\u00e9nyek nem mindig \u00e1llnak versenyben egym\u00e1ssal a napf\u00e9ny\u00e9rt. Sok esetben ak\u00e1r, k\u00f6lcs\u00f6n\u00f6s haszon is sz\u00e1rmazhat egy\u00fcttes jelenl\u00e9t\u00fckb\u0151l. A vil\u00e1gon, \u00edgy Rom\u00e1ni\u00e1ban is egyre nagyobb az ig\u00e9ny a z\u00f6ld energia termel\u00e9s\u00e9re. A term\u00e9szetbar\u00e1t megold\u00e1soknak egyike, a napenergia 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