The relationship between the main agronomic characters and the yield of oil rape was studied by means of grey related degree analysis.

应用灰色关联分析方法，研究了油菜主要农业性状与产量间的关联序，为油菜新品种的选育提供理论依据。

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Micro plot trial was carried out to study the effect of K application on dry matter accumulation and the content and the absorption of K, ca and Mg of oil rape.

采用池栽土培试验研究了钾对不同生育期油菜干物质积累量和钾、钙、镁含量及吸收量的影响。

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Bees pollinate 90 commercial crops worldwide, including most fruit and vegetables such as alfalfa, nuts, and oil-seed rape.

蜜蜂为全球90种商业农作物授粉，包括多数水果和蔬菜，例如紫花苜蓿、坚果和油菜。

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"Bad weather in spring prevented honey bees in many areas from collecting nectar from early flowering crops such as oil seed rape, and the rain continued in many places throughout June and July preventing honey bees from foraging on later crops, " he said.

BBC: Honey harvest 'devastated' by wet summer

To investigate, scientists looked at two common pesticides: neonicotinoids, which are used to control pests on oil seed rape and other crops, and a group of organophosphate chemicals called coumaphos, which are used to kill the Varroa mite, a parasite that attacks the honey bee.

BBC: Neonicotinoid pesticides 'damage brains of bees'

It is suing him for patent infringement, accusing him of illegally obtaining and planting its oil-seed rape (canola).

ECONOMIST: Canada