Cov txheej txheem:

Azolla txhais li cas?
Azolla txhais li cas?

Video: Azolla txhais li cas?

Video: Azolla txhais li cas?
Video: Azolla Harvest in Paddy: amino acid rich, sustainable 2024, Kaum ib hlis
Anonim

Azolla (yoov tshaj cum fern, duckweed fern, fairy moss, dej fern) yog ib tug genus ntawm xya hom dej ferns nyob rau hauv tsev neeg Salviniaceae. Lawv raug txo qis heev hauv daim ntawv thiab tshwj xeeb, saib tsis muaj dab tsi zoo li lwm yam ferns tab sis ntau dua li duckweed lossis qee cov mosses.

Kuj paub, tib neeg tuaj yeem noj Azolla?

“Txawm li cas los xij Azolla yog cov zaub mov nplua nuj, nws yog fern uas nyob hauv symbiosis nrog cyanobacteria thiab nws tseem tsis paub meej tias nws noj qab haus huv li cas. tib neeg rau noj nws. Nws ua tau yuav noj qab nyob zoo tab sis nws ua tau kuj tsis yog. Azolla feem ntau yog siv los ua tsiaj fodder tab sis tsis muaj kev tshawb fawb tau ua tiav tib neeg .”

Ib tug kuj yuav nug, Azolla loj hlob sai npaum li cas? Azolla yog ib tsob nroj uas muaj txiaj ntsig heev. Nws muab ob npaug rau nws cov biomass nyob rau hauv 3-10 hnub, nyob ntawm tej yam kev mob, thiab yield tuaj yeem ncav cuag 8-10 t tshiab teeb meem / ha hauv Asian nplej teb.

Hais txog qhov no, koj paub li cas Azolla?

Diagnostic yam ntxwv:

  1. vegetative: daim duab peb sab ntawm cov nroj tsuag; feathery tsos ntawm cov hauv paus hniav.
  2. kev sib deev: megasporangium muaj 9 floats; microsporangial masulae tsis muaj glochidia, tab sis muaj vacuolated trichomes.

Vim li cas Azolla yog Biofertilizer?

Azolla yog dej fern uas tseem siv as a biofertilizer . Muaj nyob ib ncig ntawm 80,000 symbiotic cyanobacteria tam sim no ntawm nws nplooj. Symbiotic cyanobacteria Anabaena Azollae yog lub luag hauj lwm rau nitrogen-fixation uas ua rau kom cov av fertility thiab nyob rau hauv lem txhim kho cov yield.

Pom zoo: