cov tsos mob
Celery yog ib qho khoom sib txawv. Celery zus los ntawm cov noob ntawm cov khoom zoo ntau yam tau hloov mus ua hollow celery.
Etiology
Ib qho yog celery cultivated nyob rau hauv qhib teb, uas yog lub ntsiab ua rau hollow celery nyob rau hauv cov ntaub ntawv ntawm kub kub thiab drought. Tshwj xeeb tshaj yog nyob rau lub caij ntuj sov, qhov kub sib txawv ntawm nruab hnub thiab hmo ntuj me me, kev ua pa yog siab, thiab thaum cov av noo noo tsis sib xws, cov dej tsis txaus ntawm celery inhibits kev thauj mus los thiab kev nqus ntawm ntau yam khoom noj hauv paus, uas tsis tsuas cuam tshuam rau txoj kev loj hlob ntawm lub davhlau ya nyob twg bud, tab sis kuj feem ntau ua rau thickening ntawm sclerenchyma nyob rau hauv lub petiole. Raws li cov ntaub so ntswg hnub nyoog, celery yuav raug tsim.
Qhov thib ob yog tias kev tswj hwm dej thiab chiv tsis tuaj yeem khaws thiab ua rau hollowness. Lub hauv paus system ntawm celery muaj qaug zog chiv muaj peev xwm nqus tau thiab muaj zog chiv kam rau ua. Nws xav tau nitrogen, phosphorus, potassium thiab kab kawm. Nyob rau theem pib ntawm kev loj hlob, cov khoom ntawm phosphorus chiv tsis txaus, uas tsis zoo rau cov nplooj sib txawv thiab kev loj hlob. Cov noob yog nyias thiab yooj yim kom pom hollow. Potassium chiv nyob rau hauv nruab nrab thiab tom qab theem plays lub luag hauj lwm tseem ceeb nyob rau hauv kev thauj mus los ntawm as-ham, tuab petiole, fullness thiab luster, thiab kev loj hlob yog inhibited vim tsis muaj poov tshuaj nyob rau hauv daim teb, thiab petiole yuav tshwm hollow.
Thib peb, av drought thiab tsis muaj nitrogen yuav cuam tshuam rau nws txoj kev nqus ntawm cov kab mob boron thiab calcium. Celery yog rhiab heev rau boron. Thaum cov nroj tsuag tsis muaj boron, petioles tshwm longitudinally, thiab lub plawv nplooj tig xim av thiab tawg. Qhov thib plaub yog tshuaj tsuag celery nrog 920, yog tias cov dej thiab cov chiv tsis tuaj yeem khaws cia, nws tseem yuav pom qhov khoob. Thib tsib, av saline-alkali, hnyav nplaum lossis av xuab zeb, thiab thaj av uas muaj kab mob loj thiab kab mob yuav tshwm sim.
Txoj kev tiv thaiv
① Xaiv cov noob celery zoo thiab cog rau ntawm thaj av fertile nrog cov xwm txheej zoo. Tus nqi pH ntawm cov av yuav tsum yog nruab nrab rau me ntsis acidic. Tsis txhob cog lawv rau ntawm av nplaum lossis xuab zeb.
②Celery yog cov zaub uas tiv taus txias thiab nyiam huab cua txias thiab ntub. Rau kev cog qoob loo sab hauv tsev hauv tsev, nws raug nquahu kom tswj qhov kub ntawm 15-23 degree thaum nruab hnub, qhov siab tshaj plaws yuav tsum tsis pub tshaj 25 degree, thiab 10 degree thaum hmo ntuj, tsis qis dua 5 degree, tiv thaiv kom tsis txhob khov thiab ntxov. bolting.
③ Txhim kho cov chiv thiab kev tswj dej. Siv lub hauv paus chiv kom txaus, siv 5000kg ntawm cov khoom zoo tshaj plaws decomposed organic chiv ib 667m2, thiab ntxiv 150kg ntawm fermented qaib quav los yog 15kg ntawm diammonium phosphate. Lub topdressing fertilizer nyob rau hauv lub sij hawm loj hlob yog feem ntau sai-acting nitrogen chiv, ua ke nrog poov tshuaj chiv, txog 20kg ib 667m2 txhua lub sij hawm, ib zaug ib nrab ib hlis.
④ Tom qab txau 920, ua tib zoo saib xyuas cov dej kom raws sij hawm thiab kev hnav khaub ncaws sab saum toj, dej ntau zaus nrog dej me me, thiab fertilize nquag, thiab tsis txhob tshem tawm cov chiv. Thaum pom boron deficiency, tshuaj tsuag 0.3 feem pua rau 0.5 feem pua tshuaj borax rau ntawm nplooj.
⑤ Nyob rau lub sij hawm loj hlob, xyuam xim kom cov av noo thiab tsis waterlogged. Cov av humidity yuav tsum yog 60 mus rau 80 feem pua. Ua tib zoo saib xyuas cov dej tom qab los nag.
⑥ Kev tiv thaiv raws sij hawm thiab tswj cov kab mob thiab kab tsuag tau pom, thiab nplooj muaj peev xwm ua kom muaj zog ntau dua los ua kom cov khoom noj ntawm cov parenchyma hlwb hauv cov petioles, kom cov nroj tsuag muaj zog thiab tiv thaiv hollowness.
⑦ Sau nyob rau lub sijhawm tom qab kev loj hlob.
