A cikin al'ummar aikin lambu, yayin da hunturu ke jujjuyawa, "irin letas don noman greenhouse a cikin hunturu" ya zama sanannen lokacin neman. Bayan haka, wanene ba zai so a cika lambun su da ciyayi mai ɗumi kuma ya ba da sabo, latas mai laushi a lokacin sanyi? A yau, bari mu bincika duniya na hunturu greenhouse letas namo da gano abin da iri yi ficewa.
Cold - Hardy Champions: Letass Ba su ji tsoron sanyi ba
A cikin greenhouses na hunturu, ƙananan zafin jiki shine ƙalubalen farko na noman latas. Latas na "Winter Delight", ta hanyar kiwo na dogon lokaci, yana da kyakkyawan yanayin sanyi mai jurewa. A cikin wani greenhouse a arewa maso gabashin kasar Sin, da dare - lokaci zafin jiki yana shawagi tsakanin 2 - 6 ℃ na kwanaki goma a jere. Duk da yake nau'ikan letas na yau da kullun sun daina girma, "Winter Delight" letas ya kasance mai ƙarfi tare da koren ganye. Kwayoyin ganyenta suna tara abubuwa masu yawa na hana daskarewa kamar proline, wanda ke rage daskarewa na ruwan tantanin halitta, yana hana ƙwayoyin cuta lalacewa ta hanyar ƙananan yanayin zafi. A lokacin girbi, yawan amfanin sa ya kai kusan kashi 12% a ƙarƙashin yanayin zafi na yau da kullun, yayin da yawan nau'in latas na yau da kullun ya ragu da kashi 45% - 55%, yana nuna tazara.
Har ila yau, latas na "Cold Emerald" yana da sanyi mai ban mamaki - juriya. Ganyensa mai kauri an rufe shi da wani sirara mai kakin zuma a saman. Wannan Layer na waxy ba wai kawai yana rage ƙawancen ruwa ba, yana kiyaye shukar "danshi", amma kuma yana aiki azaman rufi, yana toshe iska mai sanyi daga kai tsaye kai tsaye akan kyallen ganye na ciki. A cikin wani greenhouse a Hebei, a lokacin hunturu lokacin da yawan zafin jiki yakan canza a kusa da 7 ℃, latas na "Cold Emerald" ya girma sabon ganye cikin sauri, tare da ɗan ƙaramin tsiro mai ƙarfi. Yawan tsira ya kasance 25% - 35% sama da na nau'in latas na kowa.
Taurari na Hydroponic: Haɓaka cikin Maganin Gina Jiki
A zamanin yau, hydroponics yana ƙara zama sananne a cikin noman letas na greenhouse. Latas na "Hydroponic Jade" yana da tsarin tushen haɓaka sosai kuma yana da ban mamaki ikon daidaita yanayin ruwa. Da zarar an sanya shi a cikin tsarin hydroponic, saiwar ta ya bazu cikin sauri, yana samar da "cibiyar shayarwa mai gina jiki" mai ƙarfi wanda zai iya ɗaukar mahimman abubuwan gina jiki kamar nitrogen, phosphorus, da potassium a cikin maganin gina jiki. Muddin ana sarrafa zafin jiki tsakanin 18 - 22 ℃ kuma maganin gina jiki ya daidaita daidai, ana iya girbe shi a cikin kwanaki 35. A cikin gidan kore na Chengfei, a cikin hunturu, ta hanyar kula da muhalli mai hankali, ana shuka latas na "Hydroponic Jade" a kan babban sikelin. Yankin dasawa ɗaya ya kai murabba'in murabba'in mita 1500, kuma ana kiyaye yawan amfanin ƙasa a kowace amfanin gona a ton 9 - 10. Latas ɗin da aka girbe yana da manya-manya, ƙwanƙwasa, ganyaye masu ɗanɗano mai ɗanɗano mai daɗi wanda ake yabawa sosai.
Latas ɗin "Crystal Ice Leaf" kuma tauraro ne a cikin hydroponics. Ganyensa an rufe shi da crystal - bayyanannun ƙwayoyin vesicular, wanda ba wai kawai ya sa ya yi kyau ba amma yana ƙara ruwa - ƙarfin ajiya. A cikin yanayin hydroponic, yana iya sauƙin daidaitawa ga canje-canje a cikin abubuwan gina jiki da ruwa. A cikin wani karamin gida - salon gine-ginen hydroponic a Shanghai, an dasa tsire-tsire 80 na letus "Crystal Ice Leaf". Mai shi ya maye gurbin maganin gina jiki akan lokaci kowane mako kuma ya yi amfani da na'urar iska don tabbatar da isasshen iskar oxygen a cikin ruwa. Latas yayi girma sosai. A lokacin girbi, matsakaicin nauyin kowace shuka ya kai kimanin gram 320, tare da ganye mai tsiro mai cike da ma'adanai da bitamin daban-daban.
Cuta - Jarumai masu Juriya: Sauƙaƙe Kare Cututtuka
Gine-ginean rufe su da ƙarancin zafi, wanda shine "aljanna" ga ƙwayoyin cuta. Koyaya, latas ɗin "Cutar - Resistant Star" ba ta da tsoro. Ya ƙunshi metabolites na biyu daban-daban a cikin shuka, kamar phytoalexins da mahadi phenolic. Lokacin da ƙwayoyin cuta suka mamaye, nan da nan ya kunna tsarin kariya. A cikin wani greenhouse da ke bakin tekun Zhejiang, inda zafi ke da yawa a duk shekara, an sami raguwar mildew a cikin nau'ikan latas na gama gari ya kai kashi 55-65%. Bayan dasa letus "Cutar - Resistant Star", abin da ya faru ya ragu zuwa 8% - 12%. A cikin fuskantar ƙananan ƙwayoyin cuta, phytoalexins a cikin "Cutar - Resistant Star" letas zai iya hana germination na pathogen spores da girma na hyphae, hana pathogens daga mallaka da kuma yada a cikin shuka. Amfani da magungunan kashe qwari yana raguwa sosai, kuma latas ɗin da aka samar ya fi kore da lafiya.
Lokacin aikawa: Mayu-23-2025
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