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available potassium中文是什么意思

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用"available potassium"造句"available potassium"怎么读"available potassium" in a sentence

中文翻译手机手机版

  • 有效态钾

例句与用法

  • Determination of available potassium in forest soil
    森林土壤速效钾的测定
  • Within the range of 270m ~ 770m , macro - element ( total phosphate , total potassium , available potassium ) , trace elements , cec and soil ph were correlated in 50m with the rage of 780m
    全氮的空间变异与间距无关,存在纯块金效应,块金值为0 . 2 ,对于全氮,采样间距应小于50m 。
  • That of available potassium showed the interruption of human activities with the highest value ( 81 . 2 % ) , and of cec , total potassium , available copper showed that spatial auto - correlation was master with the value less than 25 % . there was no relationship between spatial variability and distance , but with the nugget of 0 . 2 , therefore , the distance
    Kropng插值结果进一步表明土壤表层养分含量具有高度的空间异质性,决定了空间格局的存在,养分含量的斑块( patch )的大小、形状及空间分布等具有显著的差异,但是不论在什么方向,养分含量由低到高的分布梯度规律总是存在的。
  • Vegetation restoration also resulted in the changes of soil physical and chemical properties , i . e . , the contents of organic matter , alkali - hydro nitrogen , rapidly - available potassium and the contents of fine sand , very fine sand and clay were increased significantly , while ph and the content of rapidly - available phosphorus were decreased
    植被的恢复使土壤理化性质发生了变化,与恢复前相比土壤中有机质、碱解氮、速效钾以及细砂、极细砂、粉砂、粘粒含量显著增加, ph值和速效磷含量降低。
  • The available phosphorus contents of the run - off from the plot iii and plot iv were higher than that of other two plots " run - off . the nutriments of sediments from the four plots were higher than the nutriments of soil in the plots . the plot ii and plot iv had the higher enrichness degree of total nitrogen than the other two plots ; the available nitrogen enrichness of sediments from plot iv was the highest , that of from plot illwas the lowest ; the available phosphorus enrichness of sediments from plot iv was the highest , that of from plot illwas the lowest ; the available potassium enrichness of sediments from plot ivwas the highest , that of from plot ii was the lowest
    泥沙各种养分含量均高于小区内耕作层土壤中的相应养分含量,表现为:第2 、 4小区的流失土壤全氮养分富集度高于其余两个小区;第4小区流失土壤有效氮富集度最高,第2小区次之,而第1小区和第3小区的流失土壤有效氮含量与区内耕层土壤相似;各小区流失土壤中速效磷富集度为第4小区最大,第3小区最小;而第4小区耕层土壤中在流失过程中速效钾西南农业大学二oo二届硕士学位论文一积累量最大。
  • 2 . soil properties varied sharply , with available potassium showing the highest cv ( 106 % ) , available iron the relative higher ( 98 . 5 % ) , and soil ph the lowest ( 12 . 9 % ) , with others the medium values . cv of total nutrients did not change greatly , which meant total nutrients are stable
    养分的变异系数范围在12 . 9 106之间,速效磷的变异系数最高,为106 ,有效铁的变异系数也较高,为98 . 5 , ph值的变异系数最低,为12 . 9 ,其它大多数养分的变异系数属中等强度变异。
  • With the help of gis and geostatistics , the results of studying on the spatial variability of 13 soil fertilities , namely soil ph , cec , organic matter , total nitrogen , available nitrogen , total phosphate , available phosphate , total potassium , available potassium , available copper , available zinc , available iron , available manganese in purple hilly areas can be showed
    而且,大部分的研究对象主要集中于北方平原地区,南方丘陵地区的土壤空间变异的研究才刚刚开始。以下是运用gis技术,采用地统计学方法,对丘陵地区紫色土表层( 0 20cm )土壤中的氮、磷、钾等13种土壤养分的空间变异性规律进行研究的结果: 1
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