Imikhuba yokukhula kukalethisi, izinhlobo nezindlela zokutshala

Ulethisi (igama lesayensi: I-Lactuca sativa L.) isitshalo saminyaka yonke noma esineminyaka emibili somndeni wakwa-Asteraceae.Imikhuba yokukhula kwayo, izinhlobo nezindlela zokutshala zimi kanje:

Imikhuba yokukhula:
Ulethisi uthanda isimo sezulu esipholile nesinomswakama, futhi izinga lokushisa elifanele lokukhula ngu-15-25°C.Amazinga okushisa aphezulu kakhulu noma aphansi kakhulu azothinta ukukhula kwawo.Ulethisi ukhula kahle elangeni elanele, enhlabathini evundile kanye nomswakama ophakathi.Izigaba zokukhula zikalethisi zihlukaniswe ngezigaba zokuhluma, isigaba sezithombo, isigaba esikhulu kanye nesigaba sokubopha.

uhlobo:
Ulethisi ungahlukaniswa ube ulethisi wasentwasahlobo, ulethisi wasehlobo, ulethisi wasekwindla kanye nolethisi wasebusika ngokwenkathi yokukhula kanye nezingxenye zokudla.Ngaphezu kwalokho, kunezinhlobonhlobo ezifana ne-lettuce yeqabunga elinsomi, ulethisi weqabunga elishwabene, njll.

Amasu okutshala:
(1) Isikhathi sokuhlwanyela: Khetha isikhathi sokuhlwanyela esifanele ngokohlobo nemikhuba yokukhula kukalethisi.I-lettuce yasentwasahlobo ivame ukuhlwanyelwa ngoJanuwari-February, i-ulethisi yasehlobo ngo-April-May, i-ulethisi yasekwindla ngo-July-August, ne-ulethisi yasebusika ngo-Okthoba-November.

(2) Indlela yokuhlwanyela: Gxilisa imbewu amahora angu-3-4 ngaphambi kokuhlwanyela, zigeze bese uzikhipha emanzini omile, zibeke endaweni engu-20℃ ukuze zihlume, futhi zigeze ngamanzi ahlanzekile kanye ngosuku.Ngemva kokuhluma kwembewu, hlwanyela imbewu ngo-20-30 cm ngokuhlukana phakathi kwemigqa.