Sorghum Sudangrass Care - Kawm Yuav Ua Li Cas Loj hlob Sudangrass Cover Crops

2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55

Cov qoob loo zoo li sorghum sudangrass muaj txiaj ntsig zoo hauv lub vaj. Lawv tuaj yeem tiv thaiv cov nroj tsuag, vam khom hauv drought, thiab siv tau raws li quav nyab thiab zaub mov. Sudangrass yog dab tsi? Nws yog cov qoob loo loj hlob sai uas muaj cov hauv paus hniav dav thiab tuaj yeem loj hlob hauv ntau thaj chaw. Qhov no ua rau cov nroj tsuag zoo heev ntawm rejuvenating cheeb tsam uas tau dhau-cropped thiab compacted los yog tsawg nyob rau hauv cov as-ham. Kawm paub yuav ua li cas cog sudangrass thiab coj kom zoo dua ntawm tag nrho nws cov txiaj ntsig ntau nrog rau nws txoj kev saib xyuas yooj yim.

Sudangrass yog dab tsi?

Sudangrass (Sorghum bicolor) tuaj yeem loj hlob ntawm 4 mus rau 7 ko taw (1 mus rau 2 m.) hauv qhov siab thiab loj hlob ua teb, ntsuab manure, quav nyab, lossis silage. Thaum nws yog hybridized nrog sorghum, cov nroj tsuag me me thiab yooj yim rau kev tswj nrog superior kub siab kam rau ua. Tsis tas li ntawd, kev saib xyuas ntawm sorghum sudangrass yog qhov tsawg, vim tias cov noob xav tau me ntsis noo noo kom germinate thiab cov yub loj hlob nyob rau hauv tshav kub thiab dej tsawg.

Qhov kev xav tau loj tshaj plaws rau cov nyom ntau yam no yog tsawg kawg 8 mus rau 10 lub lis piam ntawm huab cua zoo ua ntej sau qoob. Sorghum sudangrass tau pom tias txo cov nroj tsuag thaum cog thickly nrog rau cov hauv paus nematodes. Cov nroj tsuag kuj tau pom tias muaj txiaj ntsig zoo heevnyob rau hauv dej nqus nrog ob zaug ntau cov hauv paus hniav li pob kws tab sis tsawg nplooj nplooj, uas tso cai rau evaporation. Nws kuj tseem cog rau nws cov noob, vim cov nyom yog cov noob qoob loo, kev lag luam muab cov qoob loo tom ntej.

Kev tswj av zoo ua kom cov qoob loo yav tom ntej, tiv thaiv kev yaig, thiab yog ib feem ntawm lub log ecological ntawm kev ruaj khov. Sudangrass npog cov qoob loo yog ib feem tseem ceeb ntawm kev tswj av hauv ntau thaj chaw ntawm North America thiab tau dav siv los ua ib qho ntawm cov qoob loo siab tshaj plaws thiab.

YHow to Grow Sudangrass

Cov av zoo tshaj plaws rau sudangrass yog sov, zoo-tilled, moist, thiab tsis muaj clod. Fertility tsis yog qhov tseem ceeb tshaj plaws, vim tias cov nyom no yuav tsum muaj nitrogen me ntsis; Txawm li cas los xij, hauv thaj av siv hnyav, ntxiv nitrogen yuav txhim kho nws txoj kev loj hlob.

Nyob ntxov yog qhov tseem ceeb thaum loj hlob sorghum sudangrass. Cov noob hauv thaj chaw sov tuaj yeem cog tau thaum lub Ob Hlis, tab sis peb feem ntau yuav tsum tau tos kom txog thaum cov av sib npaug sov kom tsawg kawg 60 degrees Fahrenheit (16 C.). Txoj cai dav dav ntawm tus ntiv tes xoo yog kom noob Lub Xya Hli mus txog Lub Yim Hli.

Lub sijhawm cog qoob loo yog qhov tseem ceeb yog tias sau tag nrho cov nroj tsuag, xws li cov qoob loo ntawm sudangrass npog. Txog thaum cov nroj tsuag hluas nyob rau hauv tsuas yog cov laus cov nroj tsuag tsim clumps uas yuav nyuaj rau tawg. Cov qoob loo uas tau txiav rau cov quav nyab tuaj yeem txiav ntawm 4 mus rau 7 ntiv tes (10 mus rau 18 cm.) kom tso cai rau rov zoo thiab lwm cov qoob loo.

Kev tswj hwm ntawm Sorghum Sudangrass

Nov nyom no yog ib yam uas yooj yim dua los tswj. Thaum ntxov mowing yog qhov tseem ceeb heev rau kev saib xyuas sorghum sudangrass uas tau sivRaws li kev noj haus txij li cov nplooj laus muaj cov ntsiab lus protein tsawg thiab ua fibrous, yog li nyuaj rau zom.

Cov nroj tsuag yuav tsum tau sau rau ntawm theem vegetative, raws li nws muaj protein ntau npaum li alfalfa paub tab thiab tuaj yeem sau tau tsawg kawg ib zaug ntxiv, tsim cov khoom siv ntau dua. Mow thaum cov nroj tsuag muaj 20 mus rau 30 nti (51 mus rau 76 cm.) siab, tawm 6 ntiv tes (15 cm.) ntawm stubble.

Thaum lub caij ntuj sov mus txog lig, tag nrho cov nroj tsuag yuav tsum tau tiled nyob rau hauv kom decompose thiab ib tug haum lub caij ntuj no qoob loo sown. Sudangrass muaj txiaj ntsig zoo li lub caij ntuj sov npog qoob loo uas muaj lub caij ntuj sov ntev.