我们会观察土壤的化学性质——比如某个地方的土壤里有多少氮或者镁——然后与附近土壤的化学性质作比较。
We look at soil chemistry—for example, how much nitrogen or magnesium there is in the soil in one spot—and we compare it with the chemistry of the soil a short distance away.
结果表明，灌溉水质对草坪土壤的化学性质有很大影响。
The results indicate that irrigation water quality has great effect on the chemical properties of lawn soil.
研究结果表明：实行农林复合经营对土壤化学性质有显著的影响，并因作物的品种而存在差异。
Results showed that in compound management of forest and agriculture it is obviously existed the effect on soil chemical property, and there is difference because of variety of the crop.
以往对紫色土的各种研究都忽略土壤砾石的性质和空间分布，以及对土壤物理和化学性质的影响。
The previous researches on purple soils neglected the properties of rock fragments, the distributions of rock fragments, and the influence on soil physical and chemical properties.
不同恢复措施的土壤物理结构、土壤化学性质均获得明显的改善。
The soil physical structure and the soil chemical properties in two restoring measurement are obviously improved.
但现今土壤空间变异规律的研究主要集中在土壤物理性质方面，而土壤化学性质方面的研究还较少。
However, the present study on the rules of the soil space variation concentrates more on its physical aspects than its chemical attributes.
土壤中的绿肥加入量及土壤本身的物理化学性质对绿肥的分解率及分解速率也有影响。
The amount of green manure added to soil and the soil chemical and physical properties also influenced the rate and degree of decomposition of the green manure.
探讨了松嫩平原草原植物群落演替与土壤化学性质和土壤肥力的关系。
The relationship between different plant communities and soil characteristics were studied in the Songnen grassland.
土壤生物化学性质是重要的监测土壤变化的参数。
Soil biological and biochemical variables are considered to be essential to measure changes in soil quality.
本文主要综述了土壤空间变异研究的进展，包括土壤水分特征及状态参数、物理性质、化学性质、重金属及其它元素的空间变异研究。
This paper reviews advances in the research on soil spatial variability, including soil water characteristics, soil physical properties, chemical properties and heavy metal, etc.
本论文的主要研究目标是：1）不同有机肥管理措施下土壤微生物及生物化学性质的变化；
The objectives of this dissertation research were to compare the influences of different organic management practices on 1) soil microbial biomass, activity and plant available soil nutrients;
土壤酶活性与土壤大多数化学性质呈显著或极显著正相关，反映出土壤酶活性可在一定程度上表征土壤肥力水平的高低；
There was significant and remarkably significant positive correlation between soil enzyme activities and most of chemical properties. Soil enzyme activity could be index to monitor soil fertility.
土壤酶活性与土壤大多数化学性质呈显著或极显著正相关，反映出土壤酶活性可在一定程度上表征土壤肥力水平的高低；
There was significant and remarkably significant positive correlation between soil enzyme activities and most of chemical properties. Soil enzyme activity could be index to monitor soil fertility.
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