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Autumn yog lub caij sau qoob loo ntau thiab tseem yog lub caij sowing. Cov pob kws, nplej, taum pauv, txiv laum huab xeeb thiab lwm yam qoob loo uas tau cog rau hauv cov qoob loo dhau los yuav maj mam nce mus rau lub sijhawm sau qoob loo, thaum cov nplej, qej, rape thiab lwm cov qoob loo (tshwj xeeb tshaj yog cov zaub hauv lub caij nplooj zeeg) cog rau hauv cov qoob loo tom ntej yuav raug sau ua ntu zus. . Hnub no, kuv yuav qhia koj txog cov ntsiab lus tseem ceeb ntawm kev cog qoob loo rapeseed.
Cov ntsiab lus tseem ceeb rau cog rapeseed
Kev xaiv ntau yam. Xaiv cov txiv hmab txiv ntoo loj heev thaum ntxov nrog kub tsis kam, muaj zog tiv thaiv kab mob, cov nroj tsuag zoo nkauj, kev ua lag luam zoo, thiab lub sijhawm loj hlob ntawm li 35 hnub.
Sowing thiab intercropping seedlings. Kev tshaj tawm nyob raws li qhov sib nrug ntawm cov nroj tsuag thiab kab tuaj yeem ua tiav los ntawm kev sib xyaw 25 kilograms ntawm cov xuab zeb zoo nrog 0.3 kilograms ntawm cov noob thiab sib npaug ntawm ib daim av. Cov trench ntiav yuav tsum tau ua nyob rau sab qaum teb-sab qab teb, nrog qhov tob ntawm 1.5 centimeters, thiab npog nrog vermiculite. Tom qab cov yub tau cog tag nrho, qhov sib nrug ntawm cov yub yog 5 centimeters, thiab cov yub tau tsau thaum peb nplooj nplooj. Kwv yees li ntawm 20 lub noob tau tso tseg ib square meter.
Sab saum toj hnav khaub ncaws thiab watering. Thaum lub sij hawm tag nrho lub sij hawm loj hlob, topdressing yuav tsum tau ua ob zaug, nrog rau ib daim ntawv thov ntawm pib chiv, uas yog, ib daim ntawv thov ntawm tag nrho cov dej-soluble balanced fertilizer thaum lub sij hawm peb nplooj ntawv, nrog rau tag nrho ntawm txog 5 kilograms ib mu ntawm cov av tau thov. . Thaum lub sij hawm lub sij hawm loj hlob, topdressing nrog flowering nroj tsuag fertilizer yuav tsum tau nqa tawm ib zaug, nrog 10 kilograms ntawm balanced dej-soluble fertilizer thov ib evkawj. Xwb, 7-8 kilograms ntawm urea tuaj yeem ntxiv nrog dej. Tom qab trefoil theem, poov tshuaj dihydrogen phosphate tuaj yeem txau.
Tiv thaiv thiab kho kab tsuag thiab kab mob. Cov kab tsuag tseem ceeb muaj xws li haus luam yeeb whitefly, aphid, cabbage beetle, flea beetle, thiab lwm yam. Nws raug nquahu kom txau imidacloprid, furfuran, thiab chlorpyrifos raws sijhawm. Kab mob thiab kab tsuag yuav tsum tau tiv thaiv feem ntau, thiab cov tshuaj tua kab mob lom xws li Beauveria bassiana tuaj yeem siv.
