Tsev cog khoom skeleton tshuab qhia cov ntsiab lus tseem ceeb ntawm cog tsev cog khoom
1. Kev cog qoob loo raws sij hawm: Hauv thaj av nruab nrab ntawm peb lub xeev, lub sijhawm cog qoob loo tsim nyog rau lub caij nplooj ntoos hlav lettuce feem ntau yog los ntawm nruab nrab mus rau lub Peb Hlis mus txog rau lub caij nplooj ntoos hlav equinox. Feem ntau, 4 square meters ntawm qaib quav, 30 kg ntawm compound fertilizer, 1 kg ntawm boron fertilizer, zinc Fertilizer 1 kg, tob plowing thiab leveling ua ib tug ca ciam teb. Thaum cog, xaiv lub hnub ci thaum sawv ntxov, siv 25 kg ntawm compound fertilizer ib mu ntawm qhov, thiab sau qhov tob cog nrog av. Dej tom qab cog, thiab cog qhov ntom Qhov dav dav yog tswj ntawm ib kab sib nrug ntawm 40 cm, ib tsob nroj sib nrug ntawm 30 cm, thiab 4, 000 txog 5,000 nroj tsuag ib mu.
2. Kev tswj teb: npog nrog yas zaj duab xis rau hnub thib ob tom qab cog, thiab ncuav dej thib ob tom qab 15 hnub ntawm kev cog qoob loo. Thaum kev sib tw stems pib nthuav, topdressing nrog dej yuav tsum tau siv 50 kg ntawm ammonium bicarbonate ib mu, los yog 25 kg ntawm nitrogen thiab poov tshuaj chiv. Nkag mus rau kev sib tw stems Tom qab lub sijhawm nthuav dav, cov av yuav tsum tau khaws cia noo thiab watered ib zaug txhua 7 hnub.
3. Kev tiv thaiv thiab tswj cov kab mob thiab kab: Downy mildew yog ib yam kab mob uas tshwm sim hauv lettuce ntau lawm, uas feem ntau kis kab mob nplooj. Cov yub tig daj thiab tuag tom qab kab mob, thiab cov neeg laus cov nroj tsuag pib mob los ntawm cov nplooj qis dua. Qee zaum, cov kab mob tuaj yeem kis tau zoo thiab nthuav dav mus rau Stems, ua rau cov stems tig dub. Txoj kev tswj yuav yog 68.75 feem pua ntawm cov nyiaj farri mu nrog 50 ~ 75 ml sprayed ntawm 30 kg dej. Cov kab tsuag hauv av xws li me me cutworms feem ntau ua mob rau cov hauv paus hniav ntawm lettuce, thiab octyl sulfur tuaj yeem siv rau lub Peb Hlis lig. Tom qab phosphorus yog diluted, cov hauv paus hniav yog irrigated, thiab aphids thiab whiteflies tuaj yeem txau nrog 10 feem pua imidacloprid ntawm 800-1000 zaug.
4. Lub sij hawm sau qoob loo: lub sij hawm sau qoob loo ntawm lettuce yog thaum lub plawv tawm thiab cov nplooj sab nrauv nyob rau tib theem, los yog ua ntej budding, feem ntau hu ua "lub qhov ncauj tiaj tus", uas yog, lub sab saum toj ntawm lettuce nyob rau tib theem. nrog lub taub ntawm nplooj siab tshaj plaws. Lub sijhawm no, nws yog lub sijhawm zoo tshaj plaws los sau qoob loo. Lub sijhawm. Txawm hais tias kev sau ntxov dhau lawm, cov qoob loo yuav qis, tab sis cov qoob loo lig dhau lawm, thiab qhov zoo yuav tsis zoo. Yog lub khw zoo, nws tuaj yeem sau tau 1-2 hnub ua ntej.
