| 词汇 | example_english_beneficial-insect |
| 释义 | beneficial insectcollocation in Englishmeanings of beneficialand insectThese words are often used together. Click on the links below to explore the meanings. Or, see other collocations with insect. beneficial adjective uk /ˌben.ɪˈfɪʃ.əl/ us /ˌben.əˈfɪʃ.əl/ helpful, useful, ... See more at beneficial insect noun[C] uk /ˈɪn.sekt/ us /ˈɪn.sekt/ a type of very small animal with six legs, a body divided into three parts and usually two pairs of wings, or, more generally, any similar very ... See more at insect Examples of beneficial insectThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. A drop in beneficialinsect fauna has occurred. He partially attributes his low use of insecticides to the beneficialinsect habitat provided by his cover crop. Instead, organic farmers rely on their understanding and management of cultural practices such as crop rotation, timing of planting and harvesting, mechanical cultivation, and development of beneficialinsect populations. Crop yields may drop initially on some farms as the soil is being rebuilt and beneficialinsect populations are restored. Field peas were also observed to host various coccinellid and neuropteran species, unlike chickpeas which did not host any beneficialinsect species. Beneficial insects were also surveyed at the same time. A particularly welcome feature is the inclusion of four chapters on beneficial insects such as bees, parasitoids and predators. Aphids and other pests are obligatory phloem sap feeders, and they represent important prey for beneficial insects such as predators and parasitoids. Decisions to cut pesticide use are informed by such diverse practices as fostering beneficial insects, promoting cover crops, and monitoring for the spread of diseases. These broad-spectrum pesticides are highly disruptive to beneficial insects and cause significant residue problems. Research into the direct and indirect consequences that these crops may have on both pest and beneficial insects is essential in order to determine their likely efficacy and ecological impact. The implications of this apparent fitness trade-off for the evolution and dynamics of insecticide resistance, and the potential for using beneficial insects to combat resistance development are discussed. Although it is commonly understood that beneficial insects are impacted by farm management, the effects of specific farm management practices on their function as biological control agents is less understood. This damage is unlikely however to have a serious or prolonged impact on beneficial insects and wildlife in general. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 There is also the effect of broad spectrum insecticides on beneficial insects. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 It would render great damage to populations of beneficial insects. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 This will reduce unnecessary spraying and the consequent risk to beneficial insects and other wild life. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 For example, what happens to them in water, in the soil and as residues in food, and what is their effect on beneficial insects? From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 If the advice given about proper use is followed there is little or no danger to beneficial insects. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Want to learn more? Go to the definition of beneficial Go to the definition of insect See other collocations with insect |
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