• 连续5同一地上轮流种植不同作物研究人员称之为轮作

    He grew a different crop on the same field five years in a row, what researchers call crop rotation.

    《柯林斯英汉双解大词典》

  • 同样重要,开展对基础知识低端技术研究庄稼轮作小型农场中发展动植物混养。

    Equally crucial is lower-tech research into basics such as crop rotation and mixed farming of animals and plants on small farms.

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  • 我们目的探索为什么在熟地黄轮作种植地黄芝麻收成会急剧下降

    Our objective was to explore why Sesamum indicum yield declined severely when planted after Rehmannia glutinosa in crop rotation.

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  • 研究结果表明减少排放要比只是减少氮肥的使用改变作物轮作周期复杂得

    Her results show that reducing emissions is more complicated than just cutting back on nitrogen fertilizers and changing crop rotation cycles.

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  • 轮作应用有机农业上一种简单有效技术减少农药使用提高土壤肥力

    Crop rotation is a simple and effective technique used in organic agriculture to reduce the need for pesticides and improve soil fertility.

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  • 其次常见农作物大豆回报轮作必要的用以保证土壤能够拥有宽裕玉米产量

    The second most common crop, soybeans, yields a lower return but crop rotation is necessary to keep the soil in shape for bounteous corn yields.

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  • 但是体系鼓励农民改变长期以来轮作制度混合使用除草剂以前这些方法很好的控制了杂草

    But the system has also encouraged farmers to alter time-honored crop rotation practices and the mix of herbicides that previously had kept weeds in check.

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  • 如果采用传统技术轮作堆肥土壤补充氮其他物质需要耕地也增长三倍

    Using traditional techniques such as crop rotation, compost and manure to supply the soil with nitrogen and other minerals would have required a tripling of the area under cultivation.

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  • 轮作作物玉米大豆小麦苜蓿,四年内每年种植一种作物

    The four crops grown in rotation are corn, soybean, wheat, and alfalfa, with one crop grown each year during the 4-year cycle.

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  • 公元1000年1300年间,欧洲城市人口翻了一倍,达到7千万人(与改良工具后人们运行了新式轮作系统有关)。

    Between 1000 and 1300 Europe's urban population more than doubled, to about 70m (thanks partly to a new system of crop rotation, made possible by better tools).

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  • 评估地理区域内作物轮作水平农业生产必须解决重要问题之一

    How to evaluate crop rotation level in large geographic area is one of the most important problems in agricultural production.

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  • 第一试验田中正在比较传统两年制小麦轮作轮作制,即首先种植免耕冬小麦第二季种植免耕冬小麦,然后种植高粱

    In one set of plots, she is comparing the traditional 2-year, wheat-fallow rotation with a 3-year cycle of no-till winter wheat, followed by a second crop of no-till winter wheat, followed by sorghum.

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  • 练习作物轮作水土保持世纪之前,这些被成为标准做法,他发明了一种优于其他任何存在

    He practiced crop rotation and soil conservation a century before these became standard practice, and he invented a plow superior to any other in existence.

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  • 甘蔗水稻甘薯豆类黄麻作物轮作可以大大减轻受害

    Sugar cane and rice, sweet potatoes, beans or jute, crop rotation, can greatly reduce suffer.

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  • 轮作条件下,冬小麦产量容易受到降水的影响,玉米的产量更容易受茬口的影响。

    Winter wheat yield was more sensitive to rainfall and spring maize yield more influenced by previous crop stubbles in rotation system.

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  • 轮作同一块土地上连续种植不同作物提高土壤肥力帮助控制昆虫的生长疾病的蔓延。

    Crop rotation: the successive planting of different crops on the same land to improve soil fertility and help control insects and diseases.

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  • 我们根据大小分析土壤,而且,土粒的大小很大程度决定着土地的耕作方式、农作物轮作种植作物种类。

    We analyse soils according to the size of the particles and the size of the particles determines to a great degree the different tillages crop rotation and different crops to be grown on the soil.

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  • 我们根据大小分析土壤,而且,土粒的大小很大程度决定着土地的耕作方式,农作物轮作种植作物种类。

    We analyse soils according to the size of the particles and the size of the particles determines to a great degree the different tillages crop rotation and different crops to be grown on the soil.

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  • 提高产量最好办法倒茬轮作

    Crop rotation is the best way to increase output.

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  • 轮作大豆玉米小麦长期连作白浆含量及有机态氮组分变化进行研究

    The nitrogen contents and nitrogen forms were studied in albic soil with longterm crop rotation and soybean, maize, wheat continuous cropping.

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  • 结果表明,土壤有机含量苜蓿-作物轮作系统高于苜蓿草地

    The results showed that light fraction C and N pools of the alfalfa-crop rotation systems were higher than in alfalfa grassland.

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  • 在人们普遍利用农作物轮作土壤保持的作法一个世纪这样做了。

    He practiced crop rotation and soil conservation a century before these became standard practice and he invented a plow superior to any other in existence.

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  • 水旱轮作我国重要作物种植系统确保作物稳产高产提高种植业经济效益方面具有重要地位

    Paddy-upland rotation is a main crop cultivation systems and has an important position in ensuring crops stable yield, maintaining high yield and improving planting economic benefit in China.

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  • 实践了轮作土壤保护世纪这些成为了标准操作之前并且他发明了一个犁优胜者对些其他存在

    He practiced crop rotation and soil conservation a century before these became standard practice, and he invented a plow superior to any other in existence.

    youdao

  • 在人们普遍利用农作物轮作土壤保持的作法一个世纪他就这样做了。

    He practiced crop rotation and soil conservation a century before these became standard practice, and he invented a plow superior to any other in existence.

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  • 近年来随着轮作制度改变气候的变迁,我国部分小麦产区赤霉病呈蔓延加重趋势

    Recently, with change of crop rotation and climate, wheat Scab was extended and aggravated among the areas in China.

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  • 农作物轮作有助于防止水土流失

    Crop rotation helps prevent soil erosion.

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  • 豌豆甘肃中部干旱地区重要轮作粮食饲料作物

    The pea is an important rotation food and a forage crop in the central arid region of Gansu.

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  • 豌豆甘肃中部干旱地区重要轮作粮食饲料作物

    The pea is an important rotation food and a forage crop in the central arid region of Gansu.

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