ridging

Effects of Nitrogen, Sulfur Application Rate and Ridging on Growth, Quality and Root-layer Soil Nutrition of Chinese Spring Onion

氮、硫水平和培土措施对大葱生长、品质及根层养分供应的影响

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effect of ridging and fertilization and plastic film covering technique for potato in semiarid region with cold climate and high elevation

高寒半干旱区马铃薯聚垄集肥覆膜技术效应

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planting mangrove by ridging and paving velum may acquire high yield and efficiency and saving water

起垄铺膜栽红薯高产高效又节水

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semiarid ridging high-yielding cultural techniques of ratooning rice in cold waterlogged fields

再生稻冷浸田半旱式垄作高产栽培技术

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a primary study on techniques of direct sowing of single season rice with ridging but no furrowing

一季晚稻起垄免耕直播技术应用初探

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the influence of rice ridging cultivation with irrigation on rice output

水稻垄作灌溉对产量的影响

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the control effect of ridging on weed in maize field were studied.

研究起垄对玉米田杂草的防除效果。

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the power device provides power to the ditching and ridging device, the slowing device and the spraying device.

动力装置提供动力给开沟起垄装置、播种装置及喷施装置。

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Decreasing ridging height before transplanting will go against the forming of tobacco chlorophyllous. Treating by ridging after transplanting will be beneficial to the synthesis of chlorophyllous.

降低移栽前起垄高度不利于叶片叶绿素的形成，采用移栽后再起垄处理更有利于叶绿素SPAD值的合成。

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the content of potassium and the tobacco leaf quality in the treatment of ridging by low planting and applying potassium fertilizer at rosette and toping stage respectively are better than any other treatment.

以低起垄两次培土成垄，团棵期、圆顶期分次施钾对烟叶的钾含量和品质效应最好。

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based on the ideal of stochastic medium, the ground ridging induced by frost heave submits to normal distribution.

根据随机介质的思想，土体冻胀引起的地表隆起近似为正态分布。

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finally, equiaxed structure of cast strip was in favor of formability and ridging resistance.

铸轧薄带的等轴晶组织比柱状晶组织有利于提高冷轧退火带的成形和抗皱性能。

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effects of different ridging mode and applying potassium fertilizer at different stages on leaf quality of flue-cured tobacco

不同成垄方式及分次施钾对烤烟品质的影响

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seeding-machine with ridging and paving plastic mulch

起垄全铺膜播种机的研制

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