DB14-T 2476-2022 小麥田雜草監(jiān)測調(diào)查技術(shù)規(guī)范

65.020

16

14 DB14/T2476—2022小麥田雜草監(jiān)測調(diào)查技術(shù)規(guī)范山西省市場監(jiān)督管理局??發(fā)

布DB14/T24762022 II

DB14/T24762022本文件按照GB/T

1.1—2020《標(biāo)準(zhǔn)化工作導(dǎo)則

第1部分：標(biāo)準(zhǔn)化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)定IIDB14/T24762022

土壤質(zhì)量

3.13.23.33.4

4.1

667

0-55-1010-15

DB14/T24762022

采用對角線點取樣法，每塊田取個樣點，用直徑

的圓筒形土壤取樣器，每點取15

層，分為

10

10

15

層。土壤取樣按照

規(guī)定執(zhí)行。將25

的方形盒

15表1

667

采取倒置“W”0.25

0.5

形。以雜草莖干數(shù)為單位，記載樣框內(nèi)全部雜草的種類及數(shù)量，調(diào)查結(jié)果記入表。計算平均密度、頻表2

/m

<10

10

%-20

>20

1/2<15

15

%-30

>30

1/2<20

20

%-40

>40

DB14/T24762022表3

5.1

5.2

表4

6.1

6.2

在播前的15

30

，根據(jù)小麥田土壤雜草種子庫中雜草種子的組成和數(shù)量，結(jié)合氣象預(yù)報，預(yù)測6.3

10

30

15

雜草學(xué)名雜草學(xué)名Avena

fatua

Spergularia

salinaAegilops

tauschii

Coss.

Beckmannia

Stellaria

media

Arrhenatherum

elatius

Malachium

aquaticum

Digitaria

sanguinalis

)Scop.

Capsella

Echinochloa

crusgalli

mitis

tenella

Imperata

cylindrica

sophia

(L.)Webb.

Prantl

Pharbitis

nilPhragmites

australis

SteudPharbitis

purpurea

viridis

Convolvulus

arvensis

Setaria

glauca

hederacea

Cannabis

sativa

Linn.

Humulus

scandens

(Lour.)

Merr.

argyi

VaniotPolygonum

Bidens

pilosa

Fallopia

Conyza

Cronq.Polygonum

lapathifolium

Cirsium

setosumChenopodium

album

Eclipta

prostrata

E.

alba

Chenopodium

serotinum

Chenopodium

acuminatum

Inula

Thunb.

Salsola

collina

Pall.Sonchus

arvensis

Tribulus

Taraxacum

mongolicum

Acalypha

australis

Xanthium

Patrin

WidderPhyllanthus

urinaria

Buglossoides

I.

M.

JohnsEuphorbia

humifusa

Willd.

Schlecht.

stramonium

Linn.

philippicaVeronica

Tenore

Cuss.Galium

ten