soil dressing

Presence of soil is not favorable for recovering fine gold in the process of gold dressing.

其余为砾石、卵石和泥土.泥土在选金中不利回收细粒金.

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Technical essentials of turf-bed preparation, fertilizer dressing, soil disinfection and disinsection for cool season turfs and lawns in Northern China are expounded in this paper.

论述了中国北方冷季型草坪绿地建植时坪床的处理、施肥、土壤消毒与杀虫等技术要点；

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At the same La application rate level, the concentration of La in root was lower by foliage dressing than that by soil dressing, but the difference was not evident.

在同一施镧处理水平上，喷施的根部稀土元素镧含量低于土施，但两者间无显著性差异。

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The pot experiment was conducted to analyze the concentration and distribution characteristics of rare earth elements ( REEs) lanthanum ( La) in forages upon the foliage and soil dressing the La.

设立盆栽试验，研究不同施用条件（喷施和土施）下稀土元素镧在牧草体内的含量及分布特征。

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The larvae could be controlled by dressing sieved dry manure-soil treated with trichlorphon, Rogor etc. into garlic furrow at planting in autumn.

秋季栽蒜时用敌百虫、乐果、甲基异硫磷等喷拌过筛的干粪土，溜入蒜沟内预防幼虫，覆土后地面喷敌敌畏或敌百虫粉消灭成虫，可控制苗期危害。

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An experimental study of silo drainage effect on soil dressing

竖井排水对盐碱化土壤改良的试验研究

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The concentration of La in each part of forage plant with soil dressing was evidently different from that in the control only when the concentration of La application was high.

土施处理的各部位稀土元素镧含量只有在较高施用浓度下，才与对照之间有显著性差异。

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Through years of efforts, explore soil dressing change layer. underground dark irrigation, fertilizer, biological fixed comprehensive agronomic measures.

通过多年的努力，探索出客土换层、地底暗灌、配方施肥、生物固定等综合农艺措施。

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The results showed that there were no obvious residual REEs under soil dressing and seed dressing methods, total REEs contents in various part of wheat samples increased about 5%& 10% than that of controls, and their distribution patterns were similar with the corresponding soils.

研究结果表明，土施和拌种的小麦各部位没有发现明显残留，施用样各部位稀土总量比对照样增加约5%&10%，其分布模式与土壤类似；

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