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broadleaf weeds
In addition, since some broadleaf weeds are suitable hosts, the leafhopper may have a secondary beneficial role for biological weed control.
      
Lactofen, a member of the diphenyl ether chemical family, shows great potential for the control of broadleaf weeds associated with leguminous crops.
      
During establishment, grass and broadleaf weeds made up about 36 and 10% of the forage biomass, respectively.
      
During the second year, grass and broadleaf weeds made up no more than 17 and 4% of the forage biomass, respectively.
      
Both grass and broadleaf weeds were controlled at Lincoln, where herbicides were applied in early June 1996.
      
All rates and times of application of Paraquat gave good commercial control of grass and broadleaf weeds when compared to Premerge and Dowpon treatment as checks.
      
EPTC (S-ethyl dipropylthiocarbamate) gave slightly better control of green foxtail [Setaria viridis (L.) Beauv.] and slightly poorer control of broadleaf weeds than trifluralin (α,α,α,-trifluoro-2,6-dinitro-N, N-dipropyl-p-toluidine).
      
For most cultivars, the application of bentazon (1.12 kg/ha a.i.) and crop oil (2.3 L/ha) to 8 to 15 cm-tall potato plants resulted in no appreciable loss in potato tuber yield, while controlling 74-85 percent of broadleaf weeds.
      
barteri fallow (Mbaise) consisted of 80% broadleaf weeds, 7% grass weeds and 13% sedges.
      
barteri fallow system consisted of 17% broadleaf weeds, 70% grasses and 13% sedges.
      
There were more annual broadleaf weeds in the seedbank of planted fallow plots than in the control plots.
      
In the wet season (11 and 18?MAP), there were significant fallow system?×?land use and fallow system?×?village interactions for total weeds and broadleaf weeds.
      
Terbutryn, as-triazine herbicide, is extensively used in agriculture as a selective pre- and postemergence control agent for most grasses and many annual broadleaf weeds in cereal and legume fields, and under fruit trees.
      
Bentazon and sulfonylureas have been used for selective control of broadleaf weeds and sedges in rice fields for more than 20?years.
      
The allelopathic interaction between sorghum [Sorghum bicolor (L.) Moench] and 10 species of grass and broadleaf weeds was investigated.
      
Inhibitory effects of grain sorghum were primarily on broadleaf weeds, often showing no action on grass weeds.
      
For herbicides against broadleaf weeds, 60% were saved in winter cereals, 11% in maize, and 41% in sugar beet.
      
Yukon controls many common annual broadleaf weeds, as well as, yellow nutsedge.
      
Adjuvants significantly increased glyphosate efficacy; activity varied on grass and broadleaf weeds with selected adjuvants.
      
Apply a combination of herbicides to control annual grasses and broadleaf weeds.
      
 

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