soil leaching

Effects of Litter Leaching Liquor and Soil Leaching Liquor of Prunus armandii and Quercus acutissima Stands on Seed Sprout and Seedling Growth of Prunus tabulaeformis

凋落物和土壤浸提液对油松种子萌发与幼苗生长的影响

A soil column leaching experiment was designed and conducted to investigate effect of simulated acid rain on release of cadmium from two kinds of red soils.

采用室内模拟酸雨淋溶土柱的方法，研究了酸雨对2种红壤镉释放的影响。

Preliminary Study on Dual-porosity Model of Soil Nitrate Leaching

土壤硝酸盐淋洗的两域模型初探

Soil nitrate leaching not only causes the loss of fertilizer, but also brings about serious environmental problems.

土壤硝态氮的淋失不但造成肥料的损失，而且产生严重的环境问题。

The addition of nitrate or ammonium had a negative effect on soil nutrient leaching.

施加NH4+-N和NO3&N会产生负作用，使土壤养分淋失。

Analysis of Soil Nitrogen Leaching Under Different Land Uses Patterns in the Loess Hilly and Gully Region

黄土高原丘陵沟壑区不同土地利用模式对土壤氮素淋溶的影响

Study on Adsorption of Atrazine by Soil Leaching Column Chromatography

莠去津吸附的土壤淋溶柱色谱法研究

Effect of polymer coating urea on reducing soil nitrate leaching during corn growth period

聚合物包衣尿素对降低夏玉米生长期间土壤硝酸盐淋失的影响

EDTA leaching of soil leaching and non-FT-IR spectra shows that the cultivation of plant functional groups in the area of soil strength was significantly weakened, and in the fingerprint area of the different treatments did not produce a new characteristic absorption frequency, but the intensity changed significantly.

EDTA淋洗和未淋洗土壤的FT-IR谱图表明种植植物的土壤在官能团区强度明显减弱，而在指纹区各不同处理均没有产生新的特征吸收频率，但强度有明显改变。

Results showed that DMPP can reduce soil nitrate leaching significantly.

结果表明，DMPP能够显著减少土壤硝酸盐的淋失。

【 Method 】 Water dissolution, soil leaching and pot experiment methods were started.

方法采用水中溶出法、土壤恒温培养法和盆栽生物试验。

The effect of irrigation on soil nitrate leaching and uptake was conducted with sandy loam soil in the valley of Wudian River.

在陕北米脂县无定河谷地沙壤质土壤上进行了灌水量对土壤硝态氮的淋失和作物吸收效应影响的研究（简称淋吸效应）。

The effect of nitrogen addition on soil nutrient leaching and the decomposition of Chinese fir leaf litter

外加氮源对杉木叶凋落物分解及土壤养分淋失的影响

Soil Nitrate Leaching Risk Assessment in Rubber Plantations in Hainan and Analysis of Its Influencing Factors

海南胶园土壤NO3~&N淋洗风险评估及影响因素分析

Influence of Organic Modifier on the Retention Behaviour in Soil Leaching Column Chromatography

土壤淋溶柱色谱中有机调节剂对保留的影响

Pot experiments were carried out to determine the dynamic changes of pH and water-soluble silicon concentrations of soil leaching solutions in different growth stages of rice after application of slag to paddy soil.

测定了盆栽水稻生育期土壤淋滤液pH和水溶态硅浓度，探讨了其变化规律。

Large variation of base cations in surface soil indicated leaching of base cations was occurred.

表层土壤盐基离子变化较大，说明盐基离子发生淋洗。土壤溶液Ca／AI；

During the growth rice, the water-soluble silicon concentrations of soil leaching solutions in all the treatments increased and reached a peak, then dropped gradually, and at last stage stabilized at a constant value.

在水稻生育期内各处理土壤水溶态硅都经历了一个先上升达到高峰，然后逐渐下降，最终趋于稳定的过程；

Comparatively, soil column leaching method was much closer to the field reality than water dissolution rate method.

相对而言，考虑土壤因子的土柱淋出率法较水中溶出率法更为接近田间实际。

The results showed that the main output of copper was crop harvesting, up to 85.9%~ 95.1% of total output, and the output of copper by field runoff and soil leaching was low.

结果表明，农田Cu的输出主要是作物收获，其输出量占总输出量的85.9%～95.1%，流失和淋溶输出很少。

Al 3+ in runoff was derived primarily from soil leaching.

溪水中的Al3+主要来源于土壤的淋溶。

Effects of Dicyandiamide on Soil Nitrate Leaching and Nitrate Accumulation in Chicory Under Protected Cultivation

双氰胺对设施菜地土壤硝酸盐淋溶和苦苣硝酸盐累积的影响

Loss from soil S leaching beyond the major plant rooting zone was the main S output from grazing system.

土壤中硫的淋溶损失是放牧系统中硫的主要输出形式；

Effects of PAM application rate and method on saturated hydraulic conductivity were studied in laboratory through a soil column leaching experiment.

通过室内土柱淋洗试验，研究了PAM施用量和施用方式对不同碱度土壤饱和水力传导度的影响。

Influence of atmospheric precipitation on soil leaching and desalinization in the North China Plain

华北平原大气降水对土壤淋洗脱盐的影响

The phenomenon of the loss of nutritional element should be paid more attention when soil leaching technique is applied to restoring heavy metal contaminated soil. Fertilizer should be properly used in leached soil according to the proportion of the loss.

在应用土壤淋洗技术治理重金属污染土壤时，应该充分重视营养元素的流失现象，并根据流失比例在淋洗后的土壤中适当施用肥料。

N deposition can acidify the soil and leaching the exchangeable base cations.

氮沉降能引起土壤酸化，同时造成土壤盐基离子淋失。

The Effect of Dairy Effluent and Nitrogen Fertilizer on Soil Nitrite Leaching and N_2O Emission in the Pasture System

有机物和氮肥对牧草土壤硝酸盐淋溶和N2O排放的影响

Effects of Sulfur-Coating from Sulfur-coated Fertilizer on Acidic Brown Soil Leaching Characteristics

控释肥硫膜对酸性棕壤淋溶特性的影响

Study on effect of irrigation on soil nitrate leaching and uptake

灌溉对土壤硝态氮淋吸效应影响的研究