Fertigation yog ib txoj kev siv cov kua chiv los yog tshuaj tua kab thaum lub sij hawm irrigation. Lub tshuab tau paub nyob hauv lub ntiaj teb txij li xyoo 70s ntawm lub xyoo pua xeem. Thaum xub thawj siab ib muag, nws yog ib qho yooj yim heev: cov ntsiab lus ntawm cov chiv (los yog cov tshuaj tiv thaiv kab tsuag) tau nkag mus rau lub ntsiab watering kab ntawm ib tug sprinkler irrigation system siv lub flow-tswj twj tso kua mis. Tom ntej no, qhov sib tov poob rau ntawm cov nroj tsuag. QHOV CHAW UA HAUJ LWM
Ib qho txiaj ntsig tseem ceeb ntawm fertigation yog qhov ua tau zoo ntawm cov as-ham / tiv thaiv siv. Thaum siv cov dej yaug dej, cov ntsiab lus qhia tau nqus los ntawm tag nrho cov kab mob hauv nruab nrog cev - ob qho tib si hauv paus thiab nplooj (nws paub tias cov nroj tsuag zoo tshaj plaws noj cov tshuaj yaj hauv dej). Nyob rau tib lub sijhawm, kev tswj hwm dej kom zoo yog khaws cia yam tsis muaj dej ntau dhau (nrog rau kev siv dej tib yam rau 1 hectare, cov txiaj ntsig thaum lub sijhawm fertigation yog qhov siab dua, thiab tus nqi ntawm ib chav tsev ntawm cov khoom qis dua).
Fertigation ua rau nws muaj peev xwm ua tau rov qab noj cov tshuaj me me, coj mus rau hauv tus account qhov xav tau ntawm cov nroj tsuag nyob rau hauv ib qho kev loj hlob theem. Nws yog pom tseeb hais tias nws yog xyaum tsis yooj yim sua kom ntxiv khoom noj rau qos yaj ywm nyob rau theem ntawm flowering los yog thaum pib ntawm tuber tsim nyob rau hauv lwm txoj kev. Cov zaub mov raug xa tuaj raws sijhawm, tsis hais txog huab cua.
Kev noj cov tshuaj hauv qhov tsis tshua muaj siab (cov ntsiab lus ntawm cov chiv hauv dej yuav tsum tsis pub tshaj 0,2-0,3% nyob rau lub caij qhuav thiab kub thiab 0,5% nyob rau hauv huab cua txias lossis los nag) tso cai rau cov qoob loo kom nqus tau qhov siab tshaj plaws ntawm cov khoom noj khoom haus / tau txais kev tiv thaiv, thiab rau kev ua liaj ua teb. cov neeg tsim khoom kom tsis txhob poob ntawm ib feem tseem ceeb ntawm cov chiv / PPs uas muaj kev cuam tshuam rau leaching raws li cov qauv siv ib txwm siv. Qhov cuam tshuam tsis zoo ntawm cov tshuaj rau qhov xwm txheej tsis suav nrog.
Cia peb ntxiv hais tias daim ntawv thov ntawm cov tshuaj los ntawm fertigation tsis xav tau ntxiv passes ntawm cov khoom nyob rau hauv lub teb thiab txuag nyiaj ntawm kev yuav ib tug complex ntawm cov cuab yeej no.
Txawm hais tias muaj ntau qhov zoo, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov tshuab kuj muaj qee qhov tsis zoo. Cia peb pib nrog qhov tseeb tias tsis yog txhua yam tshuaj tuaj yeem siv tau li no.
Kev xaiv ntawm fertilizing
Tej yam khoom (feem ntau yog cov uas tsis zoo soluble los yog tsim cov sediment) tuaj yeem ua rau txhaws lossis puas tsuaj rau cov tshuaj txau. Thiab qee qhov tseem ua rau corrosion ntawm cov ntsiab lus ntawm cov kav dej.
Kev xaiv cov chiv rau fertigation yuav tsum tau ua tib zoo saib xyuas, thiab nco ntsoov kawm cov lus qhia rau txhua qhov kev npaj. Thiab tsis txhob hnov qab txog cov cai yooj yim:
- Cov chiv yuav tsum yog cov dej soluble tag nrho thiab sib haum nrog ib leeg.
- Kev tawg ntawm cov khoom yuav tsum tshwm sim nyob rau hauv ib lub sij hawm luv luv ntawm "tej" kub.
- Cov chiv yuav tsum muaj qhov ntsuas ntsev tsawg (vim cov qoob loo zaub muaj ntsev tsawg).
- Cov tshuaj yuav tsum muaj tsawg corrosive.
Ntawm cov tshuaj chiv chiv, cov kev cai no zoo tshaj plaws los ntawm, piv txwv li, ammonium sulfate, urea, potassium chloride, thiab potassium nitrate.
DEJ QUALITY ACCOUNTING
Qhov zoo ntawm kev ua haujlwm rau kev siv cov chiv / cov tshuaj tiv thaiv kuj tseem nyob ntawm qhov muaj pes tsawg leeg ntawm cov dej irrigation. Piv txwv li, yog tias nws muaj qhov feem pua ntawm cov dej-soluble ntsev, qhov degree ntawm solubility ntawm chiv txo. Cov ntsiab lus ntawm bicarbonates, sulfates thiab chlorides yuav tsum tau coj mus rau hauv tus account. Bicarbonate ion, piv txwv li, nce pH ntawm cov tshuaj, txo cov solubility ntawm cov chiv, sulfates txhawb cov nag lossis daus ntawm Ca, Mg thiab Fe, chlorides nce cov mineralization ntawm dej thiab txo cov solubility ntawm chiv.
Tsis tas li ntawd, cov dej siv rau kev siv dej yuav yog huab lossis muaj impurities. Hauv cov xwm txheej no, cov lim dej yuav tsum tau siv kom tsis txhob muaj cov khoom siv clogging.
TXOJ CAI TSHUAJ TIV THAIV
Ib qho ntawm cov xwm txheej tseem ceeb rau kev vam meej thaum qhia txog fertigation yog kev saib xyuas cov av tas li, tswj EC thiab av pH. Av acidity tso cai rau koj los txiav txim siab muaj ntau cov as-ham. Cov av zoo pH yog suav tias yog 6.0-6.5. Yog tias qhov muaj nuj nqis siab dua 6.5, cov hlau xws li hlau (Fe), zinc (Zn), manganese (Mg), tooj liab (Cu) thiab kab kawm (boron thiab phosphorus) yuav tsis tshua muaj rau cov nroj tsuag. Hauv av pH qis dua 5.5, phosphorus thiab molybdenum kuj tsis muaj. EC tswj xyuas qhov concentration ntawm ntsev nyob rau hauv lub hauv paus system cheeb tsam. Nyob rau hauv cov huab cua kub, cov concentration ntawm ntsev nyob rau hauv cov nroj tsuag nce; kom txo tau nws, nws yog tsim nyog los irrigate nrog ib tug txo nyob rau hauv tus nqi EC los ntawm kev txo cov concentration ntawm cov as-ham nyob rau hauv lub system.
Feem ntau, kev siv thev naus laus zis no yuav tsum muaj kev tswj hwm nruj ntawm cov ntawv, koob tshuaj, sijhawm thiab cov txheej txheem ntawm kev siv tshuaj chiv / tshuaj tiv thaiv.
Fertigation feem ntau yog siv los ntawm kev ua liaj ua teb uas muaj cov tshuab computer tswj kom tshem tawm qhov yuam kev los ntawm kev cuam tshuam ntawm tib neeg.
Nrog rau lub koom haum tsim nyog, fertigazia pab txhawb kev tsim khoom, txhim kho cov khoom zoo, thiab txo nws cov nqi. Hauv cov xwm txheej niaj hnub no, nws tau dhau los ua qhov tseem ceeb tshaj plaws (thiab, nyob rau hauv qee qhov xwm txheej, tsim nyog) cov cuab yeej siv thev naus laus zis rau kev loj hlob zaub thiab qos yaj ywm.
Lub tuam txhab muaj peev xwm, ib feem ntawm Agrotrade Group of Companies, muaj ntau yam khoom siv tsim nyog rau kev qhia txog fertigation ntawm koj lub teb. Lub tuam txhab cov kws tshaj lij tau npaj los muab cov lus qhia tshaj lij thiab teb koj cov lus nug.
Tiv tauj Qhia:
Pawg ntawm cov tuam txhab "Agrotrade"
(831) 461 91 58
www.potential.pro
tus bespalovav@agrotradesystem.r
8-910 395 27 89
lub valetovds@agrotradesystem.r
8-910 882 60 52