Kutsekedwa kwa loop hydroponics, komwe kuthira kwa michere kumatengedwa ndikugwiritsidwanso ntchito ku mbewu, kumapereka mwayi panjira yodutsa kapena njira imodzi yodutsa madzi ndi kugwiritsa ntchito bwino kwa michere. Kuchulukitsa kwakugwiritsa ntchito bwino kwazinthu kumachepetsa mtengo wopangira ndipo pamapeto pake kumalepheretsa kuwonongeka kwa chilengedwe komwe kumakhudzana ndi kutuluka kwa michere kupita ku matupi amadzi.
Ngakhale pali ubwino wambiri, palinso zoopsa zopanga zomwe zimayambitsidwa pogwiritsa ntchito njira yojambula ndikugwiritsanso ntchito, mwachitsanzo, kuchuluka kwa tizilombo toyambitsa matenda. Pali mitundu yambiri yamakina omwe amagwiritsidwa ntchito masiku ano m'mafakitale popangira madzi othirira (madzi amthirira ndi feteleza). Zitsanzo zikuphatikiza koma sizimangokhala kusefera kwa mchenga, kuwala kopitilira muyeso, klorini, ozoni [O3(aq)], njira zotsogola za okosijeni, peracetic acid (C2H4O3), ndi hydrogen peroxide (H(O2).
Mu kuyesera, recirculating njira michere ankachitira ntchito dimensionally khola anode (DSA)-based regenerative in situ electrochemical hypochlorination (RisEHc) mu madzi chikhalidwe hydroponic letesi (Lactuca sativa) kupanga dongosolo. Zotsatira za phytotoxic zidadziwika ndipo zimadziwika chifukwa chopanga ma chloramines muzakudya zopatsa thanzi zomwe zili ndi ammonium. Kafukufukuyu adawonetsa kuti zotsatira za phytotoxic zitha kupewedwa pogwiritsa ntchito regenerative in situ hypochlorination kudzera mu kasamalidwe koyenera ndi njira zowunikira pakubwezeretsanso machitidwe a hydroponic.
Ngakhale kuti phytotoxicity yoyambitsidwa ndi chlorination wamba yaphunziridwa bwino, palibe chidziwitso chokhudza zotsatira za buku la RisEHC, ndi DSA, dongosolo lomwe lafufuzidwa apa, pomwe mankhwala ophera tizilombo amapangidwanso mosalekeza. Cholinga cha kafukufuku woperekedwawo chinali kuyesa mayankho a zomera ndi zotsatira za phytotoxic zomwe zingachitike chifukwa chochiza njira zosiyanasiyana zobwezeretsanso michere kudzera mu RisEHC. Komanso, mphamvu yogwiritsira ntchito post-electrochemical ultraviolet application kuchepetsa zotsatira za phytotoxicity, komanso kusintha gwero la nayitrogeni la feteleza, adawunikidwa.
Kukonzekera kothandiza kwa fertigation ndikofunikira pakukwaniritsa kuthekera kwathunthu kwa machitidwe anthawi yayitali a hydroponic. Dongosolo la RisEHC lomwe lidawunikidwa pano lidawonetsedwa kuti ndi lothandiza pakuchepetsa kuchuluka kwa tizilombo tating'onoting'ono m'mayesero akukula kwa ma labotale a hydroponic; komabe, kupanga ma chloramines pamaso pa ammoniacal mankhwala / feteleza kunayambitsa phytotoxicity muzochitika zina.
Mu kafukufuku wapano, chloramine phytotoxicity idayankhidwa mosaphatikiza feteleza wa ammoniacal, kapena pakuwola pogwiritsa ntchito cheza cha ultraviolet pambuyo pa chithandizo cha electrochemical, mchitidwe womwe ungapititse patsogolo kusakhazikika kwa tizilombo. RisEHC ndi chida chothandizira kukonza njira yothetsera feteleza pamene kupanga chloramine kumapewedwa kapena kuchepetsedwa.
Malinga ndi mlembi wamkulu, "Ngati ulimi wowongolera zachilengedwe (CEA) utseka madziwo (mwachitsanzo, kutulutsa zero), matekinoloje amafunikira omwe awonetsetse kuti mayankho azikhala opanda tizilombo popanda kudzikundikira mankhwala ophera tizilombo kapena mankhwala ophera tizilombo toyambitsa matenda. Tidapanga njira ya RisE HC ndi cholinga chopereka tekinoloje yomwe ingathetse zopinga zambiri za chlorination wamaluwa momwe tingathere. Kusowa kwa chakudya kukukulirakulira padziko lonse lapansi ndipo tikukhulupirira kuti matekinoloje monga RisE HC atha kupititsa patsogolo kukhazikika kwa mbewu za CEA (komanso maluwa).
Pepalalo limasindikizidwa m'magazini HortScience.