A na u lakatsa lettuce e ncha nakong ea likhoeli tse batang tsa mariha? Se tšoenyehe! Ho lema lettuce ka sethopo e ka ba phihlelo e khotsofatsang le e monate. Latela tataiso ena e bonolo ea ho ba setsebi sa ho lema lettuce mariha.
Ho Lokisetsa Mobu bakeng sa ho Lema Greenhouse ea Mariha
Mobu ke motheo oa kholo ea lettuce e phetseng hantle. Khetha mobu oa lehlabathe o hlephileng, o nonneng kapa mobu oa letsopa. Mofuta ona oa mobu o na le moea o kenang hantle, o lumellang metso ea lettuce ho hema ka bolokolohi le ho thibela ho phalla ha metsi. Kenya 3,000-5,000 lik'hilograma tsa manyolo a manyolo a bolileng hantle le 30-40 kilogramme ea motsoako oa motsoako ka acre. Kopanya monontsha ka botlalo mobung ka ho lema ka botebo ba 30 centimeters. Sena se tiisa hore lettuce e fumana limatlafatsi tsohle tseo e li hlokang ho tloha qalong. Ho boloka mobu oa hau o phetse hantle 'me o se na likokoanyana, o phekole ka motsoako oa 50% thiophanate-methyl le mancozeb. Mohato ona o tla theha tikoloho e hloekileng le e phetseng hantle hore lettuce ea hau e hole.
Ho Eketsa Insulation e Eketsehileng ho Greenhouse Nakong ea Mariha
Ho boloka sethopo sa hau se futhumetse ke habohlokoa mariha. Ho eketsa likarolo tse ling tsa insulation ho ka etsa phapang e kholo. Ho eketsa botenya ba sekoaelo sa sethopo sa hau ho lisentimitara tse 5 ho ka phahamisa mocheso ka hare ho likhato tse 3-5 tsa Celsius. Ho tšoana le ho fa sethopo sa hau kobo e teteaneng, e monate ho thibela serame. U ka boela ua kenya likharetene tse nang le mekhahlelo e 'meli ka mahlakoreng le ka holim'a sethopo. Sena se ka eketsa mocheso ka likhato tse ling tse 5 tsa Celsius. Ho fanyeha filimi e bonahatsang leboteng le ka morao ke mohato o mong o bohlale. E khutlisetsa khanya ka har'a sethopo, e eketsa leseli le mofuthu. Bakeng sa matsatsi ao a batang haholo, nahana ka ho sebelisa li-blocks tsa ho futhumatsa, li-heaters tse futhumatsang mocheso, kapa libōpi tsa moea tse futhumetseng tse tsamaisoang ke mafura. Lisebelisoa tsena li ka fetola mocheso ka tsela e iketsang, ho etsa bonnete ba hore sethopo sa hau se lula se futhumetse ebile se nepahetse bakeng sa kholo ea lettuce.
pH le EC Level Monitoring bakeng sa Hydroponic Lettuce Mariha
Haeba u holisa lettuce ka hydroponically, ho bohlokoa ho beha leihlo maemong a pH le EC a tharollo ea limatlafatsi tsa hau. Lettuce le khetha boemo ba pH pakeng tsa 5.8 le 6.6, ka sebaka se loketseng sa 6.0 ho isa ho 6.3. Haeba pH e phahame haholo, eketsa ferrous sulfate kapa monopotassium phosphate. Haeba e le tlase haholo, metsi a kalaka a tla etsa mano. Sheba pH beke le beke ka likhoele tsa teko kapa meter ea pH 'me u etse liphetoho ha ho hlokahala. Boemo ba EC, bo lekanyang kholiso ea limatlafatsi, bo lokela ho ba pakeng tsa 0.683 le 1.940. Bakeng sa lettuce e nyane, sepheo sa boemo ba EC ba 0.8 ho isa ho 1.0. Ha limela li ntse li hōla, u ka li eketsa ho 1.5 ho 1.8. Fetola EC ka ho eketsa tharollo ea limatlafatsi tse tsitsitseng kapa ho hlapolla tharollo e teng. Sena se tiisa hore lettuce ea hau e fumana limatlafatsi tse nepahetseng mohatong o mong le o mong oa kholo.
Ho Khetholla le ho Phekola Likokoana-hloko ho Lettuce la Greenhouse Nakong ea Mariha
Mongobo o phahameng oa li-greenhouses o ka etsa hore lettuce e hlaseloe habonolo ke mafu. Ela hloko lintlha tse tloaelehileng tse kang downy mildew, tse bakang hlobo e tšoeu ka tlas'a makhasi le ho ba mosehla; ho bola ha bonolo, ho lebisang ho lithupa tse nang le metsi, tse nkhang hampe; le hlobo e bohlooho, e hlahisang hlobo e bohlooho makhasi le lipalesa. Ho thibela mathata ana, boloka mocheso oa sethopo o pakeng tsa 15-20 likhato tsa Celsius le mongobo ho 60% -70%. Haeba u bona matšoao a lefu, phekola limela ka tharollo e hlapolotsoeng makhetlo a 600-800 ea 75% ea chlorothalonil kapa tharollo e hlapolotsoeng ka makhetlo a 500 ea 58% metalaxyl-manganese zinc. Fafatsa limela ka matsatsi a mang le a mang a 7-10 bakeng sa lits'ebetso tse 2-3 ho boloka likokoana-hloko li le teng le lettuce ea hau e phetse hantle.
Ho lema lettuce ka sethopo nakong ea mariha ke mokhoa o motle oa ho thabela lihlahisoa tse ncha le ho ithabisa ho lema lirapa. Latela mehato ena, 'me u tla kotula lettuce e monate, e ncha esita le likhoeling tse batang haholo.
Nako ea poso: May-16-2025
Tobetsa ho Chat