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。
Q/I Characteristics of potassium are important indices to indicate soil potassium status, and can measure both the intensity and quantity of soil K at the same time.
钾素Q/I特性是表征土壤钾素状况的一个重要指标，它能同时度量土壤钾素的强度和容量。
The above results show that, the effect of alternative freezing and thawing has a great influence on the soil organic matter, soil nitrogen, soil potassium and some soil enzymes.
上述研究结果说明，冻融交替作用对黑土土壤有机质、氮钾和酶活性产生重要影响。
The effect of humic acids on fixation and release of potassium in soil was accomplished by dissolving K-bearing minerals or blocking interlayers and adsorbing k.
腐殖酸对土壤钾素释放和固定的影响是通过对含钾矿物的溶解和层间堵塞以及对钾素的吸附作用实现的。
The sensitivity of different variety maize to potassium in the soil and fertilizer were not the same and the amounts of potassium absorbed by them was great difference.
各品种玉米对土壤和肥料中钾素的敏感程度不同，吸收钾的数量差异悬殊。
In order to increase crop yield and retard decrease of soil K, wheat straw to soil was an effective measure to complement potassium.
但从提高作物产量和缓解土壤钾素下降来看，小麦秸秆还田是一个有效的补钾措施。
Soil organic matter and nutrients(e. g. nitrogen, phosphorus and potassium) play important roles in soil fertility.
土壤有机质和养分（氮、磷和钾等）是土壤肥力重要的物质基础。
But after 4 months in field trial, 90% potassium entered the soil.
而在大田试验中4个月后，有90%的钾进入土壤。
Purple soil supplied the plants with more phosphorus and potassium nutrition and less nitrogen nutrition.
紫色类土壤提供给烟株吸收利用的磷钾养分较多，而氮养分较少。
The results showed that lime soil supplied the plants with more nitrogen nutrition, less phosphorus and potassium nutrition.
结果表明，石灰岩类土壤提供给烟株吸收利用的氮养分较多，而磷钾养分较少。
Soil fungi number and urease activity were negative correlation with soil available potassium content.
土壤真菌数量、脲酶活性与有效钾含量呈负相关。
The yield increase of K fertilizer was quite high at two rates of nitrogen application, and it closely relative to the content of available K in soil and potassium application rate.
钾肥的增产效率在两种氮肥水平下都较高，单位钾肥的增产量与土壤有效钾含量及施钾量呈极显著负相关；
Soil nutrients systematic evaluation method was adopted to study soil nutrients and effect of potassium on economic character of seed of melon and seed-melon, yield and benefit of seed-melon.
试验采用土壤养分状况系统研究法，根据土壤养分状况研究钾对籽瓜与瓜籽的经济性状、瓜籽产量及效益的影响。
Soil moisture and potassium amount could improve potassium content of palisade tissue and spongy tissue.
土壤水分和钾用量能提高叶片栅栏组织和海绵组织的含钾量。
The influence of super absorbent resin on nitrogen, phosphor and potassium in soil were studied.
利用化学分析法研究了高吸水性树脂对土壤中氮、磷、钾养分的影响。
The content of soil nutrients, especially available nitrogen, phosphorus and potassium is one of the important bases to instruct scientific fertilization.
土壤碱解氮、速效磷和速效钾等养分的含量是指导科学施肥的重要依据之一。
The effect of potassium application in the farmland in Gansu corridor and the fluctuation of potassium in soil are discussed.
介绍河西农田施钾效应及土壤钾素消长变化情况。
Beneficial effects of Bacillus mucilaginosus preparation on the growth of rice plant in the potassium deficient soil are described in the paper.
描述了在速效钾缺乏的土壤上，施用钾细菌制剂对水稻生长发育的促进作用。
And it could improve the contents of organic matter, alkali - hydrolyzable nitrogen, available phosphorus and potassium in soil.
土壤中的有机质、碱解氮、速效磷、速效钾的含量均比对照增加。
Even though potassium is stratified under reduced tillage, it is apparent that roots proliferate sufficiently near the soil surface to assume adequate potassium uptake by crops.
虽然在少耕制下，土壤钾有明显的分层分布但在土表附近，作物根系发达保证作物对钾有足够的吸收。
Management of potassium resources refers to the rational application of potassic fertilizers and also includes the preservation of potassium fertility in the soil and its effective use.
钾素资源管理不仅指钾肥的合理施用，也包含了土壤中钾素肥力的保持和有效利用。
The results showed that the average contents of soil total potassium(STK) and soil available potassium(SAK) were(21.
结果表明，该区土壤有机质层全钾的平均含量为（21。
During the whole growing period, the soil available potassium contents were always detracting, but the contents of total potassium in soil had changed little.
在烟株的整个生育过程中，土壤速效钾含量一直在降低，土壤全钾含量变化幅度较小。
The analytical data revealed that the potential fertility of the dryland soils was rather low, such as nitrogen, phosphorus and potassium content in soil were deficient on the whole.
分析数据表明，该区旱地土壤潜在肥力较低，有机质含量差异较大，大部分土壤氮、磷、钾养分供应不足。
There was a very rapid decline in paddy soil phosphorus and potassium with no fertilization contrast to the decline under fertilization conditions.
在不施钾肥的条件下随着水稻种植季节的延续各种形态土壤钾的含量均呈现明显的下降趋势，但下降的幅度和速度各异。
The flask shake experiment showed that the strain NBT was capable of not only releasing potassium from soil minerals but also absorbing most of the potassium released.
摇瓶试验表明，NBT菌株不仅能分解土壤矿物并释放出其中的钾，而且具有很强的吸钾功能。
There are divided into five major soil types according to their ability of suppling potassium.
按供钾能力可将四川主要土壤分为五类。
Whether was potassium balance kept in purple soil cornfield ecosystem under a rotation of rice and wheat?
稻—麦轮作期紫色土农田生态系统钾素平衡状况怎样？
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