the content of soil

Objective: Detect the content of arsenic in soil and wheat with study on bio-absorptance of arsenic.

目的: 测定小麦中的微量砷,并研究其自然迁移规律和生物吸收比的特性.

It reaches a maximum when the moisture content and then decreases the increase of soil humidity.

当含水量增大到25%时,腐蚀速率达到最大,然后腐蚀速率随着湿度增加而减小.

The content of soil organic matter is highest in the top layer and decreased from top layer to bottom layer.

表土层有机质含量最高，且随着土层深度增加，有机质含量逐渐降低。

The content of soil organic matter ( SOM) was the important index for soil fertility.

有机质含量高低是土壤肥力水平高低的重要标志。

The content of soil Micro-biomass Carbon and Nitrogen of Different Grazing Intensities on Pasture

不同放牧强度下人工草地土壤微生物量碳、氮的含量

The content of soil quick-acting potassium in the chilli field is lower than the soil in the sugarcane field.

与甘蔗地土壤比较，辣椒地土壤速效钾含量呈降低趋势。

The content of soil inorganic phosphorus showed decline trends in NP+ PM treatment after long-term application of no fertilizer.

在长期不施化学磷肥的条件下，NK与猪粪长期配施处理土壤的各组分无机磷含量呈下降趋势。

Four kinds of amendments are able to increase the content of soil nutrient.

四种改良剂均可增加土壤养分储备，提高土壤速效养分。

The content of soil potassium in Guizhou and the application of potassic fertilizer

贵州土壤钾素状况与钾肥施用问题

The fertilizer can raise soil fertility significantly, and increase the content of organic matter.

有机肥能有效地提高土壤肥力, 并可以有效地促进土壤有机质的增加和更新.

It embodied that the content of soil organic matter increased, soil unit weight improved, and the number of soil microorganism increased.

具体表现在增加了土壤有机质含量，有利于土壤容重的改善，同时增加了土壤微生物种群和数量。

The content of soil ulmin, and the entire nitrogen have slightly rise;

土壤有机质、全氮含量略有上升；

Meanwhile, the content of soil water-stable granular structure tended to be lower.

土壤团粒结构含量偏低。

Clay and silt content of the soil also affected the adsorption constants.

土壤中粘土和淤泥的含量也会对吸附常数有所影响.

The content of soil heavy metals and shallow underground water quality were not greatly influenced by making use of the renovated water for irrigation.

使用再生水对土壤中重金属含量及示范区浅层地下水水质未造成明显影响。

The content of soil organic matters reduced with the increase of soil depth in 0-60 cm layers;

0～60cm土层土壤有机质含量随深度的增加而减小；

Compared with pure stand, mixed forest has a better soil nutrient status, the content of soil organic matter being increased 16.7%.

和纯林相比，混交林林下土壤养分状况有所改善，土壤有机质含量提高了16.7%。

With soil water content improving, increased the content of soil nutrient among fertilizer treatments.

在同一施肥条件下，随着土壤水分的增加，土壤养分含量增加。

The content of soil organic carbon in herb treatment was greater than that in shrub removal treatment.

灌木层的去除使得土壤有机碳含量显著小于草本层的去除后的土壤碳含量。

The content of soil organic matter affected soil swelling rate remarkably when soil texture was not obviously different.

有机质含量在质地差别不明显情况下，对土壤膨胀率也有极显著的作用与影响；

Soil particle composition, organic matter, pH, agricultural management measures and land use types had a certain influence on the content of soil phosphorus.

土壤颗粒组成、有机质、pH值、农业管理措施和土地利用方式对土壤磷素含量都有一定影响。

The content of soil phosphorus in Fujian planting tobacco area was totally abundant. 6.

福建烟区土壤有效磷素含量总体比较丰富。

Several key results were given as follows: Nitrogen addition significantly increased the content of soil soluble nitrogen.

定位研究结果表明：外源氮输入显著改变了土壤中可溶性氮含量（P0.05）。

The content of soil phosphorus in Wushan soil in rice season was greater than in that of wheat season.

乌栅土速效磷含量，稻季高于麦季。

The content of soil available N, available K and non-exchangeable K changed regularly with wheat growth.

结果表明，土壤速效氮（AN）、土壤速效钾（AK）和非交换性钾（NEK）含量随小麦生育进程呈现有规律的变化；

To Calculate the Content of Soil Trace Element According to the Size of Grain in Soil

根据土壤颗粒组成推算土壤中微量元素的含量

But the content of soil available Sulphur was remarkably increased after harvesting soybean.

而种植大豆的土壤有效硫含量较种植前有所增加，说明大豆的茬口较好。

In addition water loss in transpiration of plants is also affected by the content of soil moisture and the amount of precipitation.

蒸腾耗水量还受土壤湿度、降雨量的影响。

Research on the content of soil micronutrients and affecting factors

土壤微量元素含量及其影响因素的研究

Fine root decomposition had less effect on the content of soil readily oxidized organic carbon.

细根分解对土壤易氧化碳含量无显著影响。