Yuav ua li cas yog urea raws li ib tug fertilizer. Urea (chiv): Cov Lus Qhia

Muaj ntau gardeners, gardeners thiab tswv hnub no yuav tsis xav txog tej yam yuav ua li cas nws yog ua tau rau ua tsis tau chiv. Tsaug rau qhov integrated fertilizing, qoob loo loj hlob stimulants loj hlob sai, txoj kev ib tug zoo nkauj, lush nplooj, muaj zog paus system, tsawg raug tus kab mob. Nyob rau hauv cov ntaub ntawv no, lub tseem ceeb tshaj plaws - tsis txhob sib zog heev nws thiab paub raws nraim li cas ib tug neeg tsis tsim chiv ces tsis muaj tsis kaj siab surprises.

Yuav ua li cas yog urea?

Urea raws li ib tug fertilizer lug siv los pab kom txoj kev loj hlob, tsim ntau cov qoob loo, txij nkawm ntawm cov nroj tsuag nyob rau hauv presentable mob. Nitrogen yog qhov tseem ceeb raws li ib tug zaub thiab ornamental cov qoob loo. Nws yog tam sim no nyob rau hauv lub protein thiab yeej txhawb loj hlob sai. Nrog ib tug tsis muaj nitrogen tsob nroj muab me ntsis tua, twigs thiab nplooj yog nyias, me me, lub teeb ntsuab los yog yellowish xim. Paj buds tej zaum yuav poob tawm, tus txiv hmab txiv ntoo yog tsis fastened.

Yuav ua li cas yog urea? Raws li ib tug fertilizer yog siv rau ntiag tug siv. Urea yog heev concentrated, nyob rau hauv nws muaj pes tsawg leeg muaj txog 45% nitrogen. Nws yuav hu ua ib tug universal chiv, haum rau tag nrho cov hom ntawm cov nroj tsuag. Nyob rau hauv tsos nws yog pob tshab los yog dawb granular cov hlaws dai, txig soluble nyob rau hauv cov dej thiab muaj tsis muaj tsw. Y urea yuav ua rau kom cov hygroscopicity ntawm kom av noo. Nws yog siv raws li ib tug sab saum toj hnav khaub ncaws rau cov qoob loo nyob rau hauv nruab nrab xau urea (chiv).

Cov lus qhia rau Siv

Urea yuav siv tau rau tag nrho cov hom ntawm cov av, txawm dej-in thiaj li tso, vim hais tias nws yog txig tsau cov av thiab tsis ntxuav tawm sediments xws li ammonium nitrate. Urea yog siv ob qho tib si raws li ib tug sab saum toj hnav khaub ncaws, thiab yooj yim chiv. Rau zaub cov qoob loo urea tej zaum yuav ua ua ntej cog thiab fertilization thaum lub sij hawm loj hlob rau lub caij nyob rau hauv ib koob tshuaj 5-10 g ib 1 m ^2. Ua ntej flowering tsim nyog los ncuav ib tug daws ntawm 50 g ib 10 liv ntawm dej, nws zoo txaus - 3 L / 100 m ^2. Rau zoo nkauj thiab txiv hmab txiv ntoo lov tas vau thiab ntoo yuav ua tau urea pub ncaj qha tom qab flowering thiab dua txog ib lub hlis tov ntawm 30 g / 10 l dej.

dosing urea

Txhua chiv nws muaj nws tus yam ntxwv uas yuav tsum raug xam tias yog ua ntej yuav siv nws rau nws npaj lub hom phiaj. Ammonium carbonate nyob rau hauv cov huab cua heev sai sai decomposes, nws li nram no - nto thov urea yog ices. Qhov no yog lub sij hawm nyiaj, vim hais tias cov nroj tsuag tsis tau txais cov kev khoom mus rau nws. Ua liaj ua teb coj pom zoo kom siv ntawm urea nyob rau hauv ib tug muaj kev tiv thaiv hauv av. Tom qab fertilization nws yuav tsum tau sai li sai tau xaiv nyob rau hauv cov av, tsuas yog txoj kev los mus tiv thaiv txoj kev poob ntawm gaseous ammonia. Koj yuav tsum paub dab tsi lub urea raws li ib tug fertilizer yog sai sai ntxuav tam sim ntawd sediments, yog li qhov zoo tshaj txoj kev uas yuav ua rau nws nyob rau hauv lub hauv paus ntawm ib tug nroj tsuag nyob rau hauv daim ntawv ntawm ib tug tov.

Kev tiv thaiv ntawm lov tas vau thiab ntoo

Urea yog siv tsis tau tsuas yog raws li ib tug sab saum toj hnav khaub ncaws, tab sis kuj raws li ib tug txhais tau tias ntawm kab. Thaum tuaj sov caij nplooj ntoos hlav hnub, ib zaug urea tshuaj yuav tsum tau siv rau tshwj kom txhob muaj kab wintering xws li boll weevils, aphids, psylla, thiab lwm leej lwm tus. Qhov no txoj kev yuav tsum tau ua ua ntej lub o buds. Npaj txhais tau tias rau kab tswj yog yooj yim heev, rau nws yuav tsum tau diluted nrog 10 liv ntawm dej 0.5 liv ntawm ib tug concentrated tshuaj ntawm cov tshuaj.

Urea kuj tiv thaiv cov nroj tsuag ntawm ntshav blotch thiab kiav txhab, txau thaum muaj nyob rau hauv lub caij nplooj zeeg, thaum cov nplooj cia li pib mus poob. Txhua yam koj yuav tsum ua lub nplooj - ib yam li cov poob, thiab ib tug uas twb tshuav nyob rau hauv lub bushes thiab cov ntoo. Cov tshuaj yog npaj tib txoj kev raws li rau cov kab no.

fertilizing houseplants

Kiag li tag nrho cov nroj tsuag yuav tsum tau fertilizing, tab sis koj yuav tsum xav hais tias ob zaug ua ntej yuav siv ib tug ntxiv raws li urea (chiv) rau domestic ntsuab tej tsiaj. Daim ntawv thov rau sab hauv tsev cov nroj tsuag nitrogen yog tsim nyog vim hais tias nws tso cai rau koj los ua ib tug zoo kawg li yas, leeb txoj kev loj hlob, los mus tiv thaiv daj thiab nplooj lub caij nplooj zeeg. Urea yog heev feeb meej, yog li nws siv yuav tsum tau txav mus zeb nrog zoo ceev faj. Yog hais tias koj miscalculate ib koob tshuaj, nws yog tau poob koj tus tsiaj, los yog liam nws tsos.

Nws yuav tsum tau to taub hais tias qhov no urea. Raws li ib tug fertilizer yog haum rau tsim ib tug lush, lush nplooj. Thiab rau flowering nroj tsuag, nitrogen yog tsis raws li pab tau, vim nws slows cia lub surplus cos txheej txheem. Qhov muag teev (hyacinths, Hippeastrum), ntoo (txiv kab ntxwv, txiv ncuavpias ntoo, txiv qaub), rhizome (irises, calla lilies) los ntawm tus thawj hnub ntawm lub neej nyob rau hauv kev xav tau ntawm nitrogen sab saum toj-hnav khaub ncaws, yog li lawv yuav tsum tau fertilized nrog urea tsis muaj kev ntshai. Tab sis tuberous (Caladium, Gloriosa) yuav tsum tau noj tom qab cov tsos ntawm cov thawj nplooj. Urea raws li ib tug fertilizer rau houseplants siv raws li ib tug tshuaj. Txhais tau hais tias npaj rau tus nqi ntawm 20 g ib 10 liv ntawm dej, nws yog txaus rau 10 m ^2.

Pub rau zaub thiab txiv hmab txiv ntoo cov qoob loo

Urea chiv yog haum rau yuav luag tag nrho cov hom ntawm cov nroj tsuag, nws yog tshwj xeeb tshaj yog zoo nyob rau hauv lub sij hawm ntawm vegetative kev loj hlob. Ceeb toom, txawm li cas los, hais tias rau txawv cov qoob loo yuav tsum tau feeb meej nyob rau hauv ntau yam degrees, xws li urea chiv. Daim ntawv thov ntawm qej, dos, zaub qhwv, qos yaj ywm, kua txob thiab txiv lws suav yog tau ntawm ib tug concentration ntawm txog 20 g ntawm urea rau ib m ^2. Nyob rau hauv taum mog thiab dib nkag chiv ib 7 g / m ^2.

Txiv lws suav, txiv pos nphuab, zaub qhwv thiab dib yuav tsis tseg pub tov 25 g / l, thiab txo nyob rau hauv urea concentration ob zaug ua ntej cos so yog ncuav gooseberries, currants thiab lwm yam txiv hmab txiv ntoo thiab txiv hmab txiv ntoo fab. Urea muaj txhawb rau ib tug zoo nkauj yas, li ntawd nws yog pom zoo kom ua nyob rau hauv lub Kua ntoo (230-250 g), txiv moj mab thiab txiv ntoo qab zib (110-150 g). Urea yuav scatter rau lub qhov dej, thiab ces ncuav nws zoo nrog dej. Nws tso cai thiab fertilizing daws, tiam sis mus cais dej tsis yooj yim sua.

Yog hais tias koj sib piv nrog rau lwm cov urea nitrogen chiv, xws li ammonium nitrate, nws lom zem ntau pab: nyiaj pab ntau tshaj ceev li txoj kev loj hlob, haum rau foliar daim ntawv thov thiab nyob li qub ntau tsis hlawv lub nplooj. Kom siv cov urea yog tsis tsuas pab txoj kev cov tsos ntawm cov nroj tsuag, tab sis kuj yuav pab tau kom ib tug nplua nuj sau.