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非交换性钾有效性
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  “非交换性钾有效性”译为未确定词的双语例句
     Study on the Availability of Nonexchangeable Potassium in Cultivated Soils
     耕作土壤非交换性钾有效性的研究
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  相似匹配句对
     Study on the Availability of Nonexchangeable Potassium in Cultivated Soils
     耕作土壤交换性钾有效性的研究
短句来源
     RELEASE RATES OF NON-EXCHANGEABLE POTASSIUM IN SELECTED SOILS FROM NORTHERN CHINA
     我国北方主要土壤交换性钾释放速率的研究
短句来源
     SOIL POTASSIUM SUPPLYING CAPACITY AND RELEASE OF NON EXCHANGEABLE POTASSIUM IN SHANDONG SOILS
     山东主要土壤供钾能力和交换性钾释放的研究
短句来源
     Non-plane version friction clutch
     平面摩擦离合器
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     On the Disunity of Science
     科学的统一性
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The releasing characteristics and availability of nonexchangeable K in cultivated soils were studied by two chemicalsuccessive extraction and pot exhaustion. The results showed that the releasing characteristics and availability ofnonexchangeable K related remarkably to clay minerals. The releasing capacity, rate and availability ofnonexchangeable K in soils with rich illite were much higher than those in others with rich kaolinite or montmorillonite,so that the amounts of nonexchangeable and total K absorbed...

The releasing characteristics and availability of nonexchangeable K in cultivated soils were studied by two chemicalsuccessive extraction and pot exhaustion. The results showed that the releasing characteristics and availability ofnonexchangeable K related remarkably to clay minerals. The releasing capacity, rate and availability ofnonexchangeable K in soils with rich illite were much higher than those in others with rich kaolinite or montmorillonite,so that the amounts of nonexchangeable and total K absorbed by ryegrass and dry biomass in the soils were higher thanthose in others. The averages of release capacity and rate, amounts of nonexchangeable and total K absorbed by ryegrassand dry biomass in kaolinitic and montmorillonitic soils were 46.96%. 45.50%. 41.65%. 43.90% and 67.52% ofthose in illitic soils. The availability of nonexchangeable K in the soils was much higher so that soil K suppliedsufficiently, ryegrass grew well and the dry biomass were much higher during the earlier stage of exhaustion.

采用2种化学连续提取法及连续耗钾实验。研究了几种耕作土壤非交换性钾释放特性及有效性。结果表明,供试土壤非交换性钾释放特性和有效性与粘土矿物密切相关。富含伊利石的土壤非交换性钾的释放量大,速率快,有效性高;黑麦草吸收该土壤的非交换性钾量及总吸钾量高,生物量大。而富含高岭石或蒙脱石的土壤非交换性钾有效性明显较低;非交换性钾的释放量和速率、黑麦草吸收该土壤的非交换性钾量、总吸钾量及生物量的均值分别仅为富含伊利石上壤的46.96%、45.50%、41.65%、43.90%和67.52%。供试土壤耗竭前期非交换性钾有效性高,供钾量大;黑麦草生长良好,生物量大。

 
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