砂质土壤

砂质土壤磷素的组成特点与释放规律研究

Chemical Forms and Release Pattern of Phosphorus in Sandy Soils

砂质土壤上造林会引起土壤酸化，影响铜和锌的释放。

Afforestation in sandy soils can cause soil acidification and affect Cu and Zn release .

砂质土壤pH对中性缓释复合肥养分释放特性的影响研究

Effect on Nutrient Release Characteristics of Neutral Compound Slow Release Fertilizer by Sand Soil pH

多环芳烃（PAHs）在砂质土壤中的吸附行为

Adsorption of Polycyclic Aromatic Hydrocarbons ( PAHs ) in Sand Soils

HDPE管在砂质土壤中的应用初探

The Application of HDPE Pipe to Sandy Soil

研究结果表明，中性缓释复合肥的养分累积量、拟合动力学方程参数b值及养分平均释放相对百分率的变化趋势，受砂质土壤pH的影响基本一致。

The results indicated that the change trend of nutrient accumulation , dynamical equation b and relative percentage of nutrient release ratio of neutral compound slow release fertilizers were consistent .

对河流故道区砂质土壤水分运移规律及灌溉制度研究结果表明，不同灌水量处理灌水后7d内土壤蒸发量差异较小。

The moisture migration regularity and the new irrigation method in the sandy soil of river ancient channel were studied . The results indicate that the soil water evaporation capacity in 7 days with different treatments of irrigating water quota is not significantly different .

亚洲沙尘源区砂质土壤同位素特征分析

Isotopic Characteristics of Asian Dust Source Regions of Deserts and Sandy Lands

用沥青埋设法改良砂质土壤

Improvement of Sand Soil by Means of Buried Asphalt

某些植物在湿润的砂质土壤中生长茂盛。

Some plants thrive in damp , sandy soil .

二是下层砂质土壤孔隙分布具有一定的不均匀性。

And ( 2 ) the lower sandy soil is not distributed uniformly .

不同烟区土壤中，砂质土壤可利用的有效水量明显高于粘质土壤，而所保蓄的无效水却很少。

Sandy soil has more available water and less unavailable water than clayey soil .

砂质土壤矿物质由各种比例的云母、石英和长石组成。

Sand mineralogy of soils constitutes varying proportions of mica , quartz and feldspars .

砂质土壤不同粒径颗粒中有机碳、养分和重金属状况

Distribution of organic carbon , nutrients and heavy metals in different size fractions in sandy soils

最后，对于空气清洁或砂质土壤的寒冷地区，硫可能会成为植物生长的限制性养分。

Finally , sulfur maybe a limiting element under cool conditions where clean air prevails , or in extremely sandy soils .

总的来说，月季喜欢肥沃均衡的黏性壤土，能够忍受砂质土壤，但是会在白垩土中生长不良。

On the whole roses love clay , enjoy a well balanced loam , tolerate sandy conditions but will struggle in chalk .

酸化和有机质积累对铅的生物有效性影响在砂质土壤比粘质土壤更为明显。

The effects of pH and organic matter on Pb bio-availability were more significant in sandy soil than that in clayey soil .

种植小麦时土壤缓冲力大于种植玉米时，壤质土壤对施用氮肥的缓冲力大于砂质土壤。

Higher buffer power for Nmin accumulation was found in wheat crop and in loamy soil than in corn crop and in sandy soils .

果菜作物，无论粘质、砂质土壤，采取氮钾肥混合3次施肥方式，可获得20%左右的增产效果。

For fruit vegetable species , no matter which kind of soil texture , three times of N + K mixing application could improve yield by20 % .

在砂质土壤上膨润土的最佳经济施用量为耕层土壤重量的5%，即7.5吨／667m~3。

In a word , the best economic amount of application of bentonite is 5 % by the percentage of the soil weight in the sandy soil .

在淋溶性较强的砂质土壤上，固钾作用可使钾素免受淋失，有利于保存肥力和提高肥效。

To a certain extent , this kind of fixation could alleviate potassium from being leached in sandy soils , preserve the fertility and enhance the fertilizer efficiency .

化粪池系统在砂质土壤和喀斯特地形的设置不当，明确显示海岸地区需要更先进的污水处理系统。

The poor performance of septic systems in sandy soils and in areas of karst topography is a clear indication that coastal regions require more advanced sewage treatment systems .

通过比较草炭、砂土、草炭-砂土混合基质水物理特性和3种灌溉频率条件下基质蒸发量和水势的变化，分析了草炭对砂质土壤保水特性的影响。

Hydrophysical characteristics of peat , sand , peat-sand mixed media and evaporation and water potential under three irrigation conditions were compared . Effects of peat on water conserving properties of sandy soil were analyzed .

水田开发渗透抑制的破碎碾压工法的基本原理及其应用&日本火山灰土壤水田开发实践和中国砂质土壤室内外研究成果简介

The fundamental theory of the crushing compaction method for the percolation control in paddy field reclamation and its application & a brief introduction about the paddy field reclamation on Japanese volcanic ash soil and the results of the laboratory

得出的坡地土壤水特征曲线表明了坡地砂质土壤在含水量较大时土壤吸力较小、含水量减小时土壤吸力迅速增大的水力特性。

Soil water retention curve indicates that the soil hydraulic characteristics of smaller suction are at higher soil water content , while sharply increasing suction is at decreasing soil water content for sandy soil hydraulic characteristics in the sloping fields .

将商空间粒度计算理论与小波变换相结合并应用于纹理图像分割中，取得了成功。沿海地区的砂质土壤，砂粒间的空隙也相对较大。

The wavelet transform and granularity technique being combined , a segmentation algorithm in texture image was presented , and the algorithm was verified by experimental results . Sandy soils along the coast have relatively large spaces between the sand grains .

砂质农业土壤养分积累和迁移特点的研究

Accumulation and Transport of Nutrients in Agricultural Sandy Soils

鸡粪和化学肥料配施对砂质梨园土壤有效养分的影响

Effects of Combination Chicken Manure with Chemical Fertilizers on Available Nutrients of Sandy Soil in Pear Orchards

农业的发展方向。砂质农业土壤养分积累和迁移特点的研究

Besides , he points out the agricultural developing direction . Accumulation and Transport of Nutrients in Agricultural Sandy Soils

粉煤灰、水库淤积物和污水沉淀物改良砂质贫瘠土壤植树种草的研究&以内蒙古包头试验区为例

Study on Lean Soil Improvement for Planting in Baotou Trial Area , Inner Mongolia , China , by Adding Coal Ash , Reservoir Sediments and Sewage Sludge