A comprehensive review of the studies on soil organic nitrogen compounds and the types of its mineralizable models is presented.
就目前土壤有机氮组分方面的研究情况作一简要综述，探讨土壤有机氮矿化模型类型，以及今后其模型研究的方向。
SummaryResults available showed that soil age did no significant effect on the distribution of the forms of soil organic nitrogen.
现有的材料说明，土壤年龄对土壤的氮素形态分布没有明显的影响。
The correlation between soil microbes and soil organic carbon was negative, and the correlation between number of fungi and soil organic nitrogen was positive.
相关分析表明，土壤微生物总数与土壤有机碳呈负相关，真菌数量与土壤有机氮呈正相关。
The contents of total nitrogen had a significant positive relationship with the soil organic carbon.
人工林土壤全氮与土壤有机碳含量之间呈显著的线性正相关。
The N in the SOM existed mainly in the form of organic nitrogen, and the soil C:N was significantly correlated with SOM.
土壤中的氮素主要以有机氮的形式存在于土壤有机质中， 土壤碳氮比与有机质含量显著相关。
Dynamics of different soil nitrogen pools after application of urea with DCD or organic materials were studied by aerial incubation method.
采用好气土壤培养试验，研究了尿素配施有机物料和DCD条件下土壤不同氮库的动态。
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。
Results showed that energy and materials input were mainly organic. There were surplus of nitrogen, phosphorus and potassium in the farmland soil pool.
结果表明：该农户生态系统能量和物质的投入均以有机为主，农田土壤库中氮、磷、钾均有盈余。
Great part of soil nitrogen is organic forms.
土壤有机氮的分解矿化是可矿化氮的根本来源。
This could be confirmed by the organic matter and nitrogen circulation and the improvement of soil fertility.
这可以从有机物质、氮素的循环和土壤肥力因素的改善得到证明。
A field experiment was conducted to investigate the nitrogen transform of different organic manures in soil, and its effects on the growth and quality of strawberry.
土壤中硝态氮和铵态氮的含量直接影响着作物的生长和品质。通过田间试验研究了不同有机肥料氮素在土壤中的转化及其对草莓生长和果实品质的影响。
In low fertility soils, the effects of organic materials on soil microbial biomass nitrogen was rather apparent, about 4 times of high fertility soil.
土壤肥力不同，有机物料对微生物体的影响效果不同，在低肥力土壤上的效果突出，约为高肥力土壤的4倍。
Compared with Karst no-Rocky Desertification soil, the content of soil Organic Matter and Nitrogen in various degrees of Karst Rocky Desertification shows a tendency to drop suddenly.
且土壤有机质、全氮、酸水解性总氮、氨基酸态氮和碱解氮含量按照石漠化程度的由轻度到极强度而呈递减趋势，但土壤其他氮素含量并未表现相同的变异规律。
The results showed that straw application increased crop yield, soil organic carbon accumulation, soil total nitrogen and phosphorus content as well as phosphorus activation.
结果表明，秸秆还田提高了作物产量，增加了土壤有机碳积累和土壤氮磷含量，且能活化土壤磷素。
Soil organic matter, total nitrogen and OlsenP were increased by 57%, 22% and 303%, respectively, while NH4OAC-K was decreased by 6%.
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%。
The results showed that total nitrogen, available nitrogen and organic matter were the main fertility indicators for soil fertility evaluation in the planted forest land on the Loess Plateau.
结果表明，全氮、碱解氮和有机质是黄土丘陵区人工林土壤主要的肥力指标，其含量能更好地反映土壤肥力状况。
Soil organic carbon increased with stand age, while nitrogen decreased and then increased.
土壤有机碳含量随林龄的增长而逐渐增高，有机氮则先减后增。
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。
Soil organic matter, total nitrogen, total phosphorus, available nitrogen had middle spatial correlation patterns.
土壤有机质、全氮、全磷、速效氮具有中等空间自相关性。
Results showed that soil total nitrogen and organic nitrogen fractions were significantly influenced by long-term application of chemical fertilizer and manure.
结果表明，长期施用化肥和有机肥对土壤全氮和土壤有机氮组成有显著影响。
The soil organic carbon and total nitrogen contents obviously decreased and shown an upper-accumulated pattern.
土壤有机质和全氮含量也自上而下显著的下降，表现出明显的表层聚集现象。
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.
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。
The biggest influence to soil organic carbon density was organic carbon content, the next was total nitrogen, and content of soil available phosphorus was also influenced soil organic carbon density.
对毛竹土壤有机碳密度影响最大的为有机碳含量，对土壤有机碳密度的影响次之的为土壤全氮量，土壤有效磷量对其影响程度也较大。
This paper is to study the activity of saccharase and the relation between the activity and the soil organic matter and all the nitrogen.
本试验是探索转化酶的活性及其与土壤有机质和全氮的关系。
The result shows that the content of soil organic matter, total nitrogen and different forms nitrogen decreased firstly, then increased by time pasted.
结果表明，该区域土壤有机质、全氮及各形态氮素含量呈现先降后升的趋势。
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 influence of application of organic and nitrogen fertilizer on the content of alkali hydrolysable N in fertilities soil was studied.
对设施土壤中长期施有机肥与氮肥对土壤中碱解氮含量的影响进行了研究。
Our study suggested that the optimum amount of organic fertilizer in the red soil citrus orchards was about half of annual nitrogen fertilizer.
红壤柑桔园有机肥的施用量（指氮素）占总施肥量的一半左右是合适的。
The numbers of individuals and groups of soil fauna were significantly and positively related to contents of organic matter and total nitrogen in the soil.
土壤动物的类群数、个体数量与土壤有机质、全氮的含量呈明显的正相关；
The numbers of individuals and groups of soil fauna were significantly and positively related to contents of organic matter and total nitrogen in the soil.
土壤动物的类群数、个体数量与土壤有机质、全氮的含量呈明显的正相关；
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