Paj rwb loj hlob li cas? Nqe lus piav qhia, khoom thiab kev siv fiber ntau

Cov txheej txheem:

Paj rwb loj hlob li cas? Nqe lus piav qhia, khoom thiab kev siv fiber ntau
Paj rwb loj hlob li cas? Nqe lus piav qhia, khoom thiab kev siv fiber ntau

Video: Paj rwb loj hlob li cas? Nqe lus piav qhia, khoom thiab kev siv fiber ntau

Video: Paj rwb loj hlob li cas? Nqe lus piav qhia, khoom thiab kev siv fiber ntau
Video: zoo lawm qhov kj tsis yuav kv (ci ntsa iab )nkauj tawm tshiab 2024, Hlis ntuj nqeg
Anonim

Paj Rwb yog ib qho khoom siv zoo tshaj plaws hauv tib neeg keeb kwm, siv ntau yam kev lag luam. Cov neeg siv khoom tseem ceeb ntawm fiber ntau yog kev lag luam textile, uas tsis tuaj yeem xav txog yam tsis muaj paj rwb. Cov ntaub ua los ntawm cov khoom siv no muaj cov yam ntxwv zoo heev.

Paj Rwb tseem nyob hauv kev thov dhau sijhawm, raws li nws tau ntau pua xyoo dhau los.

Kev piav qhia

paj rwb yog fiber ntau ntawm cov nroj tsuag keeb kwm uas ntim cov noob ntawm paj paj. Nws yog ib qho ntawm cov qoob loo tseem ceeb tshaj plaws thiab thoob plaws ntiaj teb. Nws occupies ib tug ua txoj hauj lwm raws li lub hauv paus rau zus tau tej cov fabrics. Muaj ntau ntau hom nroj tsuag no.

Raws li cov yam ntxwv sab nraud, paj rwb hlob zoo li tsob ntoo. Qhov zoo sib xws yog vim muaj cov ceg thiab nplooj. Ib qho piv txwv zoo yog cov duab hauv qab no ntawm paj rwb.

Cov paj rwb loj npaum li cas
Cov paj rwb loj npaum li cas

Qhov tseeb, paj rwb, nyob ntawm hom, yog tsob ntoo ntoo lossis tsob ntoo herbaceous. Nws tsuas yog siv hauv paus hauv cov teb chaws kub, nws xav tau huab cua sov thiab ntub. Nws qhov siab yog los ntawm ib meter mus rauib thiab ib nrab meters. Lub paj ntawm cov nroj tsuag nrog lawv cov xim kuj txawv nyob rau hauv varietal yam ntxwv, lawv muaj peev xwm yuav pollinated ntawm nws tus kheej. Cov txiv hmab txiv ntoo yog paj rwb boll uas cov noob thiab fibers siav.

History

Yuav kom paub seb paj paj loj hlob li cas, nws yog qhov tsim nyog los nyeem keeb kwm keeb kwm me me txog nws.

Kev cog paj paj muaj keeb kwm ntev. Qhov no yog paub tseeb los ntawm excavations ntawm ancient settlements. Lub teb chaws uas pib tsim cov paj rwb yog Is Nrias teb. Nws tau nyob ntawd tias cov qauv qub tshaj plaws ntawm cov khoom siv thiab cov cuab yeej siv rau nws cov txheej txheem tau pom. Tsis tas li ntawd, paj rwb fiber ntau tau nthuav dav hauv tebchaws Greece thiab Arab lub tebchaws. Kev khawb hauv Suav teb, Persia, Mexico, thiab Peru kuj hais txog kev cog paj paj ntau txhiab xyoo BC.

Los ntawm cov teb chaws uas cog qoob loo, cov khoom paj rwb tau kis mus rau Asia thiab Asmeskas. Kev cog qoob loo ntawm paj rwb ywj pheej los ntawm cov tebchaws no tau pib ntau tom qab.

Ua ntej cog qoob loo hauv Tebchaws Europe, muaj ntau cov lus dab neeg hais txog yuav ua li cas paj rwb hlob tuaj. Ntau lub npe ntawm ntau haiv neeg tau muaj sia nyob rau niaj hnub no, nrog rau cov duab ntawm tsob ntoo paj rwb raws li tib neeg lub tswv yim.

Paj rwb fiber
Paj rwb fiber

paj cultivation

Lub sijhawm ua kom tiav ntawm paj rwb fiber ntau txawv nyob ntawm ntau yam: los ntawm 100 txog 200 hnub.

paj rwb fiber ntau yuav tsum tau npaj zoo, ntxeem tau av. Lub xub ntiag ntawm cov as-ham hauv nws yog qhov tseem ceeb heev rau kev loj hlob tag nrho ntawm cov nroj tsuag. Yog li ntawd, thaj av ua ntej sowing yog enriched nrogntau yam chiv.

Cov huab cua sov sov kuj ua lub luag haujlwm loj. Cov noob tuaj yeem tawg ntawm qhov kub tsis qis dua 15 degrees. Rau kev loj hlob thiab flowering ntxiv, qhov kub yuav tsum ncav cuag 30 degrees. Paj rwb xav tau qhib kev nkag mus rau lub hnub ci. Hauv qhov ntxoov ntxoo, tsob ntoo yuav tuag.

paj rwb siv dej ntau. Muab cov nroj tsuag nrog noo noo yuav tsum tshwm sim abundantly thiab tas li. Nyob rau tib lub sij hawm, paj rwb muaj peev xwm zam drought vim muaj cov hauv paus hniav zoo. Tab sis nyob rau hauv cov xwm txheej zoo li no, cov qoob loo txo qis.

paj rwb ripening ntawm cov nroj tsuag tsis sib xws, yog li kev sau qoob loo tshwm sim hauv ntau theem. Feem ntau, cov nplooj raug tshem tawm ntawm nws ua ntej sau qoob, uas tuaj yeem cuam tshuam rau kev sau qoob loo.

paj rwb photo
paj rwb photo

Tom qab kev loj hlob ntawm lub thawv fiber ntau, nws qhib. Kev xaiv paj rwb pib, uas yog nqa tawm mechanically lossis manually. Lub thawv ntawm ripe fiber, nrog rau cov noob, yog plucked los ntawm cov nroj tsuag. Tsis tas li ntawd, cov khoom siv raw yog ntxuav los ntawm cov noob, plua plav thiab khib nyiab, thiab thauj mus rau nws qhov chaw.

Properties

paj rwb fiber ntau muaj cov khoom zoo:

  • absorb noo noo zoo;
  • tsis ua xua;
  • sov, ua kom sov;
  • siab huab cua permeability;
  • tsis xav tau kev saib xyuas nyuaj;
  • muaj tus nqi qis;
  • xis thaum xaws khaub ncaws ntau yam.

paj rwb kuj muaj ntau yam tsis zoo:

  • tsis ntxiv cov ntaub hluavtawswrinkle, ncab thiab nyias;
  • nrawm xim nrog lub hnub ci ntau;
  • poob khoom tom qab kev sib cuag nrog dej ntev.

Daim ntawv thov

paj rwb fiber ntau yog siv rau ntau qhov chaw ntawm tib neeg lub neej.

Ua ntej tshaj plaws, paj rwb yog siv hauv kev lag luam ntaub. Los ntawm nws fabrics ntawm ntau yam ntxwv thiab xim yog tsim. Piv txwv li, satin, flannel, chintz thiab lwm yam. Cov paj rwb fiber ntau yog siv los ua cov xov, xov paj, wadding, ntawv thiab txawm tias tawg.

paj rwb boll
paj rwb boll

paj rwb noob kuj tseem siv hauv kev lag luam. Ib txhia ntawm lawv tab tom npaj rau kev tsaws ntxiv. Los ntawm tus so ntawm cov noob, roj yog nyem tawm, uas yog noj. Cov roj tsis zoo yog siv rau kev xav tau. Cov khoom siv raw tom qab cov roj rho tawm yog nplua nuj nyob hauv cov protein, yog li tsiaj pub yog tsim los ntawm nws.

Los ntawm ntau ntau hom paj rwb, ntau hom yog siv rau kev tsim khoom lag luam.

Cov ntaub ntawv hais txog yuav ua li cas paj rwb loj hlob, hais txog nws daim ntawv thov hauv kev lag luam yog qhov nthuav thiab tseem ceeb. Cov nroj tsuag no tau ua lub luag haujlwm loj hauv keeb kwm ntawm noob neej tau ntau pua xyoo.

Pom zoo: