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Stevia: siab substrate pH ntxias cov hlau chlorosis

by Natalya Demina: koj puas xav tau ntau tus thwjtim?
Lub peb hlis ntuj 15, 2021
in Chiv txheej txheem
Sijhawm Nyeem Ntawv: 1 min nyeem
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Stevia (Stevia rebaudiana) tau txais koob meej los ua cov khoom qab zib vim tias nws muaj cov glycosides uas muaj txog 300 tawm qhov qab zib dua li qab zib cov kab tsib. Hauv cov huab cua ua kom sov (USDA aav 9-11), nws yog tshuaj ntsuab uas tsis muaj hnub nyoog, tab sis nws yuav tsis dhau ntawm cov chaw uas muaj kev puas tsuaj ntau dua thiab hauv cov chaw ntawd, nws tau kho zoo li txhua xyoo. Ib pab pawg coj los ntawm Dr. David Shew ntawm North Carolina State University ua cov kev sim ntau yam mus tshawb xyuas nws qhov kev siv los ua lwm yam qoob loo. NC Xeev kuj tseem muaj txoj kev pabcuam tawm cov tsiaj tawm tshiab
haum rau qhov kub thiab vaum xwm lub caij ntuj sov nthuav dav hauv Asmeskas teb

Tag nrho cov nroj tsuag muaj qhov zoo tshaj plaws pH sab nraud ntawm cov nroj tsuag uas yuav tawm tsam. Thaum nyob qib pH ntau dua cov as-ham zoo xws li Fe, manganese (Mn), zinc (Zn), thiab tooj liab (Cu) ua rau cov nroj tsuag tsis muaj ntau. Feem ntau ntawm cov nroj tsuag uas muaj qhov siab tsis txaus siab txog pH yuav muaj cov tsos mob Fe-deficiency. Hlau yog lub cev nyob hauv tsev thiab cov txiaj ntsig tsis tuaj yeem txav los ntawm cov ntoo nplooj qis kom tau raws li cov kev xav tau ntawm cov nroj tsuag hauv feem tshiab ntawm cov nroj tsuag
Yog li, thaum sim rau kev kuaj mob Fe-deficiency nws yog ib qho tseem ceeb uas yuav tau lees paub txog qhov chaw nyob ntawm qhov tsos mob kom pab tshem tawm lwm yam kev ua kom tsis muaj ntxiag. Hauv qhov xwm txheej ntawm stevia, cov nroj tsuag sab saud yog nthuav qhia kev daj thiab interveinal chlorosis (Daim duab 3). Yog li, nrog
kev sib xyaw ntawm cov tsos mob qhov chaw, thiab cov alkaline substrate pH tseem ceeb rau qhov ua rau ntawm tus mob chlorine interveinal yog Fe-deficiency vim tias nce qib pH substrate.

Nyeem tag nrho cov xov xwm ntawm www.e-gro.org.

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Natalya Demina: koj puas xav tau ntau tus thwjtim?

Natalya Demina: koj puas xav tau ntau tus thwjtim?

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