Ngaba iRyegrass ineSivuno esiPhezulu phantsi kwe-LED egcweleyo yeSpectrum?

|Abstract|

Kusetyenziswa i-ryegrass njengemathiriyeli yovavanyo, indlela yetrayi yeplagi engama-32 yeplagi yetrayi yasetyenziselwa ukufunda ifuthe lemilinganiselo yokutyala (7, 14 iinkozo/itreyi) kwizivuno ezithathu zengca yengca elinywe ngokukhanya okumhlophe kwe-LED (nge-17, 34th. , 51 days) impembelelo kwisivuno.Iziphumo zibonisa ukuba i-ryegrass ingakhula ngokuqhelekileyo phantsi kokukhanya okumhlophe kwe-LED, kwaye isantya sokuvuselela ngokukhawuleza emva kokusika, kwaye inokuveliswa ngokweendlela ezininzi zokuvuna.Izinga lembewu libe nefuthe elibonakalayo kwisivuno.Ngethuba lokusikwa okuthathu, isivuno se-14 yeenkozo / i-tray yayiphezulu kune-gray 7 / tray.Izivuno zamazinga amabini embewu zibonise umkhwa wokuthotywa okokuqala nokunyuka.Izivuno ezipheleleyo ze-7 iinkozo / i-tray kunye ne-14 iinkozo / i-tray yayiyi-11.11 kunye ne-15.51 kg / ㎡, ngokulandelanayo, kwaye banakho ukusetyenziswa kwezorhwebo.

Impahla nenkqubo

Izinto zoVavanyo kunye neendlela

Iqondo lobushushu kumzi-mveliso wezityalo lalingama-24±2 °C, ukufuma okunxulumeneyo kwakungama-35%–50%, kwaye ugxininiso lweCO2 lwaluyi-500±50 μmol/mol.Ukukhanya kwepaneli ye-LED emhlophe kunye nobukhulu be-49 cm × 49 cm yayisetyenziselwa ukukhanyisa, kwaye ukukhanya kwepaneli kubekwe kwi-40 cm ngaphezu kweplagi yeplagi.Umlinganiselo we-matrix yi-peat: i-perlite: i-vermiculite = 3: 1: 1, yongeza amanzi adibeneyo ukuze udibanise ngokulinganayo, ulungelelanise umxholo wamanzi kwi-55% ~ 60%, kwaye uyigcine kwiiyure ze-2 ~ 3 emva kokuba i-matrix ithatha ngokupheleleyo amanzi. uze uyifake ngokulinganayo kwi-54 cm × 28 cm kwiplagi enemingxuma engama-32.Khetha iimbewu ezityebileyo nezilinganayo ngokobungakanani bokuhlwayelwa.

Uyilo loVavanyo

Ukukhanya kokukhanya kwe-LED emhlophe kusetelwe kwi-350 μmol/(㎡/s), ukuhanjiswa kwembonakalo njengoko kubonisiwe kumfanekiso, ixesha lokukhanya-ubumnyama yi-16 h/8 h, kwaye ixesha lokukhanya yi-5:00 ~ 21:00.Ukuxinana kwembewu oku-7 kunye ne-14 yeenkozo/umngxuma kwakumiselwe ukutyalwa.Kolu vavanyo, imbewu yahlwayelwa ngoNovemba 2, 2021. Emva kokuhlwayela, yalinywa ebumnyameni.Ukukhanya kwaqalwa ngoNovemba 5. Ngethuba lokulima ukukhanya, isisombululo sezondlo seHoagland songezwa kwi-tray seedling.

1

I-Spectrum yokukhanya okumhlophe kwe-LED

Izalathisi zokuvunwa kunye neendlela

Ukuqwalasela ukuba xa umyinge wokuphakama kwezityalo ufikelela kubude bokukhanya kwepaneli, yivune.Banqunyulwa ngoNovemba 22, ngoDisemba 9 noDisemba 26, ngokulandelelanayo, kunye nekhefu leentsuku ezili-17.Umphakamo weendiza wawuyi-2.5±0.5 cm, kwaye izityalo zakhethwa ngokungenamkhethe kwimingxunya emi-3 ngexesha lokuvuna, kwaye ingca evuniweyo yayilinganiswa kwaye irekhodwe, kwaye isivuno nge-square meter sibalwa ngefomula (1).Isivuno, u-W bubunzima obutsha obuqokelelweyo besikhondwana esisikiweyo ngasinye.

Isivuno=(W×32)/0.1512/1000(kg/㎡)

(Ummandla wepleyiti=0.54×0.28=0.1512 ㎡) (1)

Iziphumo kunye noHlahlelo

Ngokomndilili wesivuno, intsingiselo yesivuno sezityalo ezimbini ezixineneyo ibe sisityalo sokuqala > isityalo sesithathu > isityalo sesibini, 24.7 g > 15.41 g > 12.35 g (iinkozo ezisi-7/umngxuma), 36.6 g > 19.72 g, ngokulandelelanayo.>16.98 g (14 iicapsules/umngxuma).Bekukho umahluko obonakalayo phakathi kokuxinana kubini kokutyala kwisivuno sesityalo sokuqala, kodwa akukho mahluko ubalulekileyo phakathi kwesibini, isityalo sesithathu kunye nesivuno esipheleleyo.

2

Iziphumo zesantya sokuhlwayela kunye namaxesha okusikwa kweendiza kwisivuno se-ryegrass

Ngokwezicwangciso ezahlukeneyo zokusika, umjikelezo wemveliso ubalwa.Umjikelo omnye wokusika ziintsuku ezingama-20;Ukusikwa kabini ziintsuku ezingama-37;kunye nokusikwa okuthathu ziintsuku ezingama-54.Izinga lembewu yeenkozo ezisi-7/umngxuma waba nesona sivuno siphantsi, kuphela yi-5.23 kg/㎡.Xa isantya sembewu sasiyi-14 iinkozo / umngxuma, isivuno esiqokelelweyo se-3 sokusika sasiyi-15.51 kg / ㎡, eyayimalunga namaxesha angama-3 isivuno se-7 iinkozo / ukusika umngxuma ixesha eli-1, kwaye laliphezulu kakhulu kunamanye amaxesha okusika.ubude bomjikelo wokukhula kokusikeka okuthathu kwaba 2.7 umphinda-phinde lowo wokusikwa esinye, kodwa isivuno sasimalunga ne-2 kuphela esosikwe esinye.Kwakungekho nantlukwano ebalulekileyo kwisivuno xa isantya sembewu sasiyi-7 iinkozo / umgodi ukusika amaxesha ama-3 kunye ne-14 iinkozo / umgodi wokusika amaxesha ama-2, kodwa ukuhlukana komjikelezo wemveliso phakathi kweendlela ezimbini kwakuyientsuku ze-17.Xa umlinganiselo wembewu wawuziinkozo ezili-14/umngxuma ugawulwe kanye, isivuno sasingahlukanga kakhulu kweso seenkozo ezisi-7/umngxuma esikwe kanye okanye kabini.

3

Isivuno se-ryegrass sichetywa amaxesha angama-1-3 phantsi kwemilinganiselo emibini yembewu

Kwimveliso, inani elifanelekileyo leeshelufu, ukuphakama kweshelufu, kunye nesantya sembewu kufuneka siyilwe ukwandisa isivuno kwindawo nganye yeyunithi, kunye nokucheba ngexesha elifanelekileyo kufuneka kudityaniswe nokuhlolwa komgangatho wesondlo ukuphucula umgangatho wemveliso.Iindleko zoqoqosho ezifana nembewu, abasebenzi, nokugcinwa kwengca entsha nako kufuneka kuqwalaselwe.Okwangoku, ishishini lamadlelo likwajongene neengxaki zenkqubo yokujikeleza kwemveliso engagqibelelanga kunye nenqanaba eliphantsi lokuthengisa.Inokujikeleziswa kuphela kwimimandla yasekuhlaleni, engabangeli ukuqaphela indibaniselwano yengca kunye nemfuyo kwilizwe lonke.Imveliso yomzi-mveliso wezityalo ayinako ukucutha umjikelo wesivuno se-ryegrass kuphela, iphucule izinga lemveliso kwindawo nganye yeyunithi, kwaye iphumeze unikezelo lonyaka lwengca entsha, kodwa inokwakha iifektri ngokokusasazwa kwejografi kunye nesikali soshishino lokufuywa kwezilwanyana, ukunciphisa iindleko zolungiselelo.

Isishwankathelo

Ukushwankathela, kunokwenzeka ukuvelisa i-ryegrass phantsi kwesibane sokukhanyisa i-LED.Izivuno ezisi-7 zeenkozo/umngxuma kunye ne-14 leenkozo/umngxunya zombini beziphezulu kunezo zesityalo sokuqala, zibonise umkhwa ofanayo wokuhla nokunyuka kokuqala.Izivuno zezinga lembewu ezimbini zifikelele kwi-11.11 kg/㎡ kunye ne-15.51 kg/㎡ ngeentsuku ezingama-54.Ngoko ke, ukuveliswa kwengca kwimizi-mveliso yezityalo kunamathuba okuthengisa.

Umbhali: Yanqi Chen, Wenke Liu.

Ulwazi lokucaphula:

Yanqi Chen, Wenke Liu.Ifuthe lesantya sembewu kwisivuno se-ryegrass phantsi kokukhanya okumhlophe kwe-LED[J].Ubuchwephesha bobuNjineli bezoLimo, i-2022, i-42 (4): 26-28.


Ixesha lokuposa: Jun-29-2022