...ging空间插值；速效钾；gis [gap=972]keywords: spatial variability; geostatistics; kriging interpolation ; soil potassium;gis ...
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The advance of soil potassium 土壤钾素研究进展
soil potassium content 土壤钾素含量
soil potassium nutrition 土壤钾状况
soil potassium resources 土壤钾资源
soil potassium fertility 土壤钾素肥力
soil potassium-resources 土壤钾资源
The results are as follows: 1. The contents of total soil nitrogen and Olsen-P in farmlands increased obviously, soil potassium content increased slightly in general and reduced in some regions.
研究结果表明： 1、甘肃农田土壤全氮、速效磷含量显著提高，土壤钾素含量总体上略有上升，但局部地区下降明显。
参考来源 - 甘肃农田氮磷钾养分资源特征研究Water soluble K and exchangeable K are the activest parts in soil potassium rank.
众所周知，土壤水溶性钾和交换性钾是土壤钾库最活跃的组成部分。
参考来源 - 长期施肥条件下紫色土—小麦系统中钾素利用的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
There was also a significant correlation between the root activity, root weight and soil potassium uptake of the same crop.
此外，不同土壤上同种作物的根系生物产量、根系活力与作物吸钾量间也呈正相关。
The sediment and soil potassium condition is related to some factors, such as granule size, organic matter content, CEC and land use means.
沉积物对土壤钾素状况的影响与其颗粒组成、有机质含量、CEC和土地利用方式等因素有关。
The soil potassium fixation was increased after dry and humid alternation. Soil with higher potassium content had a higher fixation ability.
当土壤经过干湿以后，土壤会发生明显的固定钾作用，土壤含钾量越高，固定钾能力越强。
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