共找到 9 條與 預(yù)(yù)防 桉樹 相關(guān)的標(biāo)準(zhǔn),共 1 頁
5.2.1 標(biāo)準(zhǔn)地設(shè)置 在發(fā)生區(qū),按照不同的立地條件、發(fā)生危害程度,選擇有代表性的林分設(shè)置標(biāo)準(zhǔn)地。標(biāo)準(zhǔn)地面積一 般為 0.2 hm2~0.3 hm2,標(biāo)準(zhǔn)地內(nèi)寄主樹種應(yīng)不少于 100 株。一般以成片林為 33.3 
Technical specification for prevention and control of Eucalyptus geometrid
Technical regulations for monitoring and control of eucalyptus bat moth
Technical regulations for termite prevention in eucalyptus plantations
Technical regulations for the prevention and control of Eucalyptus gall wasp
本標(biāo)準(zhǔn)規(guī)定了桉樹枝癭姬小蜂(Leptocybe invasa Fisher & La Salle)防治技術(shù)的術(shù)語與定義、蟲情調(diào)查與監(jiān)測、分區(qū)治理技術(shù)和防治效果檢查。 本標(biāo)準(zhǔn)適用于桉樹枝癭姬小蜂的防治
Technical regulations on the control of Eucalyptus spp.
本標(biāo)準(zhǔn)規(guī)定了桉樹主要病蟲害種類及其調(diào)查與監(jiān)測、防治指標(biāo)、防治原則、防治方法、防治效果檢查等技術(shù)要求。 本標(biāo)準(zhǔn)適用于桉樹主要病蟲害的防治
Technical regulations on control of main diseases and insect pests of eucalyptus
Test procedures for islanding prevention measures for mains parallel-connected solar photovoltaic converters
Specifies requirements for two stress grades of proof-graded structural timber (including finger-jointed structural timber) derived from
Sawn eucalyptus timber Part 1: Proof-graded structural timber
Technical regulations for monitoring and control of Eucalyptus eucalyptus
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