Nroj noj haus

Yuav ua li cas siv urea

Txhua pawg neeg, ob leeg paub thiab novice, paub txog urea (carbamide). Qhov no nws yog ib tug ntau yam thiab heev zoo fertilizer rau lub vaj teb. Hnub no peb yuav qhia: dab tsi yog urea, hais txog cov cai ntawm kev siv nws raws li ib tug fertilizer, thiab yuav ua li cas nrog tshuaj tua kab nyob rau hauv lub vaj teb nrog urea.

Yuav ua li cas yog urea

Urea (urea) - nitrogen fertilizer nyob rau hauv granules, uas yog dav siv nyob rau hauv horticulture thiab horticulture, nyob rau hauv tas li ntawd, nws yog pheej yig thiab pheej yig.

Yog hais tias koj siv qhov tseeb ntawm urea raws li ib tug fertilizer rau ib tug qoob loo, tus nroj tsuag yuav loj hlob zoo, tsim, thiab tsim ntau ntawm txiv hmab txiv ntoo.

Urea nyob rau hauv nws daim ntawv dawb - hloov dawb los yog pob tshab cov granules, thiab raws nraim qhov tseeb hais tias nws yog tsim nyob rau hauv granules, tsis pub nws mus clog thaum lub sij hawm thauj mus los thiab cia. (NH2)2CO yog hom tshuaj mis ntawm cov urea, uas yuav luag ib nrab, uas yog li 46% ntawm tag nrho, yog nitrogen.

Koj puas paub? E927b - Khoom noj khoom haus ntxiv yog urea, siv nyob rau hauv lub chaw ua khoom ntawm zom cov pos hniav.
Urea yog yaj ntau hauv cov dej cawv, nrog rau cov dej haus, uas ua rau nws siv tau ob qho tib si hauv daim ntawv ntshiab (hauv granules) thiab nyob rau hauv daim ntawv ntawm ib qho kev tov ntawm lub siab xav.

Nws tseem ceeb heev! Urea yuav tsum tau ceev faj kom zoo zoo los ntawm cov dej noo thaum lub sij hawm cia, raws li nws yog heev noo.

Cov cim qhia ntawm nitrogen deficiency nyob rau hauv cov nroj tsuag

Nyob rau hauv lub qhib-huab cua av, seedlings yog cuam tshuam los ntawm ntau yam, txawm tias nws muaj zog ntawm seedling theem. Thaum tsis muaj nitrogen txaus nyob rau hauv cov av, koj yuav twv yuav raug pom qhov no hauv cov nroj tsuag, raws li qee cov cwj pwm:

  • Heev qeeb, nyuaj siab hlob tuaj.
  • Cov qaug zog, nyias thiab luv tua ntawm cov ntoo thiab cov nroj tsuag.
  • Cov nplooj ntawm nroj tsuag yog me me thiab nqiam, lub teeb ntsuab (daj ntseg) nyob rau hauv cov xim, los yog txawm nrog pom yellowness. Rau cov nroj tsuag uas tsis muaj nitrogen, nplooj yuav poob ntxov heev.
  • Lub buds ntawm paj yog underdeveloped thiab qaug zog, lawv yog cov tsawg dua li lawv yuav tsum tau, feem, cov nroj tsuag fructifying tsis zoo.
Nws tseem ceeb heev! Ib qho dhau ntawm nitrogen nyob rau hauv cov nroj tsuag kuj heev teeb meem, nws muaj peev xwm ces yuav hloov dua siab tshiab rau nitrates, thiab ib qho kev tshaj ntawm nitrogen chiv nyob rau hauv cov av ua rau intensive kev loj hlob ntawm cov nroj tsuag nrog tsim ntawm tshaj greenery, tab sis fructification suffers.

Kev siv ntawm urea raws li fertilizer

Urea yog tsim rau tag nrho cov nqe lus thiab cov qauv ntawm daim ntawv thov (thaum lub sij hawm sowing, ua ntej sowing, thaum lub sij hawm loj hlob rau lub caij ntawm cov nroj tsuag, foliar pub ua ntej ovary ntawm cov txiv hmab txiv ntoo).

Urea yog siv ua lub zog chiv ua ntej cog rau tag nrho cov hom xau thiab rau noj zaub, ornamental thiab txiv hmab txiv ntoo cov qoob loo. Nws tuaj yeem siv tau rau hauv cov av uas muaj kev tiv thaiv.

Ib qho tseeb qhov tseeb! Lub npe ntawm Amkar football qws ntawm Perm yog lub npe ntawm ob yam tshuaj, ammonia thiab carbamide.

Hauv paus hnav khaub ncaws

Feem ntau, paus kev kho mob ntawm cov nroj tsuag nrog urea implies tias nws yog nkag tau rau hauv av superficially, nrog ntxiv embedding ntawm txawv depths.

Tsuas ntu cov hlab ntses thaum caij los nag tsis zoo.Yog li ntawd, nws yog ib qhov zoo tshaj plaws los mus siv ib daim ntawv thov nyob hauv zos - ua ntej tsim ua kua dej rau vaj cog noob ntoo nrog ib tug kev ywg dej tuaj yeem yog nchuav li ze li sai tau rau cov hauv paus hniav.

Rau strawberries, cucumbers, txiv lws suav, cabbage, kev daws yog los ntawm 20-30 g ntawm urea ib 10 liv dej, rau gooseberries -10 g ntawm urea ib 10 liv dej, thiab rau currants -20 g ntawm urea ib 10 liv dej.

Qhov thib ob hom yog tseem siv - khawb qhov los yog me me pits mus rau hauv uas urea granules yog pov tseg, poured tshaj lawv thiab nchuav tshaj nrog dej. Thawj qhov kev xaiv yog zoo dua rau siv nyob rau hauv qhuav huab cua, thiab lub thib ob - nyob rau hauv rainy. Rau cov txiv hmab txiv ntoo cov nroj tsuag, carbamide yog ntxiv raws li lub projection ntawm lawv crowns.

Kua ntoo raug pom zoo kom muab mus txog 200 g ntawm fertilizer rau txhua tsob ntoo, thiab cherries thiab plums tsuas yog mus rau 140 g.

Nws tseem ceeb heev! Yog hais tias cov ntoo yog cov tub ntxhais hluas thiab tseem tsis dais txiv hmab txiv ntoo, ces tus nqi ntawm urea yuav tsum tau halved, thiab yog hais tias organic yog siv, tsawg kawg yog ib feem peb.

Foliar ua

Sai li cov thawj sawv daws tau pom cov cim qhia ntawm nitrogen tshaib plab nyob rau hauv cov nroj tsuag, nco ntsoov tuav foliar tsuag tshuaj nroj tsuag nrog ib tug daws ntawm urea siv ib tug sprayer tes nyob rau yav tsaus ntuj los yog thaum sawv ntxov.

Yog hais tias tsis muaj sprayer, ces kev kho yuav ua tau nrog ib tug yooj yim broom. Ib qho kev daws rau fertilizing zaub ua nyob rau ntawm tus nqi ntawm 60 g ntawm urea 10 liv dej, thiab rau txiv hmab txiv ntoo cov qoob loo - 30 g ntawm urea ib 10 liv dej, thiab qhov no daws tsis hlawv cov nplooj, uas tsis tau hais txog ammonium nitrate.

Nws tseem ceeb heev! Yog hais tias muaj nag lossis daus sab nraum (piv txwv li, nag), ces koj siv tsis tau carbamide rau cov ntaub qhwv ntsej.

Urea tawm tsam pests nyob rau hauv lub vaj

Urea tau pom nws siv nyob rau hauv lub vaj teb thiab teb kuj ua tus neeg ua haujlwm zoo hauv kev tua kab, thiab yog tias tsis muaj lub siab xav siv cov tshuaj tua kab sib txawv, nws yuav yog.

Rau qhov no nws yog ib qhov tsim nyog los tshuaj tsuag cov nroj tsuag nrog urea daws, lub raum tseem tsis tau txog, thiab sab nraud ntawm huab cua txias tau + 5 ° C.

Txau kho ua raws li nram no: rau 1 l dej - 50-70 g ntawm urea, thiab ib cov tshuaj uas muaj concentrated (rau 1 l dej - ntau tshaj 100 g ntawm urea) yuav tsum tsis txhob ua kom tsis txhob hlawv cov nplooj.

Qhov no yuav pab tau yooj yim tau tshem ntawm wintering pests (weevils, aphid, sucker thiab lwm yam).

Los ntawm txau cov nroj tsuag nrog tib cov kua li kab tua kab, koj tuaj yeem tiv thaiv lawv ntawm scab, ntshav chaw, thiab lwm yam kab mob kis. Cia li ua nws txoj cai nyob rau hauv lub caij nplooj zeegnyob rau hauv thawj hnub ntawm nplooj ntoos caij nplooj ntoos zeeg.