孢子密度与土壤速效氮呈显著正相关。
Spore density was also significantly correlated with soil available n.
是一种水溶性速效氮肥，氮含量在21.0%以上。
Is a quick water-soluble nitrogen, nitrogen content above 21.0%.
土壤有机质、全氮、全磷、速效氮具有中等空间自相关性。
Soil organic matter, total nitrogen, total phosphorus, available nitrogen had middle spatial correlation patterns.
因此，建议在有机质含量和速效氮较高的植烟土壤上少施或不施饼肥。
So we suggest that if the soil has high organic matter contents and available nutrient, it should applied less or no cake fertilizer.
不同处理耕层土壤速效氮含量营养阶段均高于生殖阶段，速效磷含量则相反。
The content of available nitrogen in plough layer at the vegetative stage is higher than that at the reproductive stage, but opposite for available phosphorus.
结果表明，温度升高，土壤中速效氮释放量增大，释放速度加快，释放周期缩短。
The results show that the release amount of N increases in the soil when temperature goes up , and the release period shortens when the release speed is up.
土壤速效氮含量偏高是烟叶烟碱含量偏高和多数烟叶样品糖碱比偏低的一个重要原因。
One of the major reason of high nicotine in most samples was the high nitrogen content in soil.
玉米大豆混作系统在低氮土壤上主要消耗土壤速效氮，在高氮土壤上主要消耗土壤全氮。
Rapidly available and total nitrogens were consumed respectively in low and high nitrogen soils in maize and soybean mixcropping system.
土壤有机质、孔隙度、速效氮、锌、铁、锰、酶活性等理化指标与秸秆还田量呈显著正相关；
Soil organic matter, soil porosity, availible N, Zn, Fe, Mn and enzyme are all positively related to the amount of straw applied remarkably, while soil specific weight is negatively correlative.
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 content of soil nutrients, especially available nitrogen, phosphorus and potassium is one of the important bases to instruct scientific fertilization.
设施土壤速效养分增加对土壤微生物量碳、氮、磷有明显影响。
Compared with available nitrogen, increased available phosphorus just had the opposite effects to soil microbial biomass.
本来就低的土壤中速效磷，氮迅速通过淋溶和挥发损失。
The soils are inherently low in available phosphorus, and nitrogen is quickly lost through leaching and volatilisation.
生姜专用腐植酸复混肥提高了土壤有机质含量，土壤全氮、碱解氮和速效磷含量。
Ginger specific humic acid fertilizer increased the soil organic matter content, total nitrogen content, available nitrogen content, available phosphorus content.
相关分析表明，磷酸酶、脲酶、蔗糖酶活性与有机质、全氮及速效养分均呈极显著正相关。
Through correlation analysis, active relationship existed between three kinds of enzyme activities and organic matter and available nutrient.
结果表明，海伦黑土全碳、碱解氮和速效钾半变量函数曲线的理论模型符合高斯模型，速效磷的理论最佳模型为球状模型。
The results indicated that the semivariogram of total C , available N and available K were best described by the Gaussian model, while available P was best fitted by the Spherical model.
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。
And it could improve the contents of organic matter, alkali - hydrolyzable nitrogen, available phosphorus and potassium in soil.
与腐殖质组成成分最为密切的农化性状是全氮和碱解氮，其次是速效磷；
It was found that chemical properties closely related to humus compositions were the total and arailable nitrogen, and fast phosphorus.
有机质、水解氮和速效钾的空间变异主要是由结构性因素引起的，速效磷的空间变异是由随机因素引起的。
The spatial variability of organic matter, available N, and available K was mainly caused by structural factors and that of available P was primarily caused by random factors.
在陕西眉县选择农田土壤养分含量不同的地块，研究不同含量的有机质，碱解氮、速效磷、速效钾与玉米果穗穗部性状及产量的关系。
In order to study the relationship between yield, maize ear treats and organ matter, N-OH, available P and K, we selected field block with different soil nutrition in Mei county, Shaanxi province.
灰色分析的结果表明，土壤速效磷的形成主要受到土壤养分，尤其是碳、氮养分的影响。
The results of grey relational analysis revealed that the content of soil nutrients, in particular C and N, had a major effect on avail-P.
对临泽县主要土壤类型的有机质、全氮、全磷、速效钾、速效磷、全盐量、ph值进行了化验分析。
Analyzing the organic matter, Nitrogen, Phosphorus, Fast working Kalium, Fast working Phosphorous, total salt quantity and ph value of the main type of soil in Linze county.
由于氮、磷、钾配施能减轻豌豆根腐病危害，所以目前应多施草木灰、堆肥等富含速效钾的肥料。
Because the use of n, p, and K can decrease the root rot disease index of pea, more plant ash and compost contained abundant available K must be used.
结果表明，对于同一封育年限的油松林地，土壤有机质、硝态氮、速效磷和脲酶含量随采样深度增加而减小；
The results show that in the same H & A, with depth of soil increasing, contents of organic matter(OM), NO-3-N, available phosphor(AP) and urease decreased respectively.
该县土壤有机质含量、全氮含量、速效磷含量分别增加了57%、22%、303%，速效钾含量则降低了6%。
Soil organic matter, total nitrogen and OlsenP were increased by 57%, 22% and 303%, respectively, while NH4OAC-K was decreased by 6%.
碱解氮、速效钾、速效磷含量随着土层深度的加深逐渐降低。
Nitrogen, potassium, phosphorus content with increasing soil depth is gradually reduced.
碱解氮、速效钾、速效磷含量随着土层深度的加深逐渐降低。
Nitrogen, potassium, phosphorus content with increasing soil depth is gradually reduced.
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