soil mineral

Research of contaminative evaluation and biologic effect of combined pollution to rice in the soil of copper mineral area;

在温室条件下，采用水培方法研究汞、砷复合污染对水稻的生长及对汞、砷吸收的影响。

Results indicate hat : The permanent negative chargecapacity ( CEC _ p ) depends on soil clay content and soil clay mineral ssociation.

结果表明: 土壤 CEC _p主要与土壤粘粒含量和粘土矿物组成有关.

Conclusively, artificial factors such as fertilization intensified the spatial variability of soil mineral nutrients.

总的来说，施肥等人为因素加剧了土壤矿质养分的空间变异。

Mineral Residue as Tank Foundation Material and Its Application in Soft Soil Foundation

矿渣罐基础在软地基上的应用

This showed that straw mulching and plastic-film mulching improved soil moisture condition in winter, and promoted wheat to take up and use soil N. soil mineral N was closely correlated to LFN.

说明地表覆草和覆膜改善了小麦越冬期土壤的水分状况，促进了作物对氮素的吸收。土壤矿质态氮动态变化与轻质有机氮密切相关。

Soil Mineral Nitrogen Loss in Surface Runoff and Sediment as Affected by Slope Gradient on Loess Slope

坡度对坡面土壤矿质氮素水蚀流失负荷的影响

Especially in no N fertilization, there was significant positive correlation among soil mineral N, LFN and LFC.

特别在不施氮肥时，土壤中矿质态氮数量与轻质有机碳，轻质有机氮之间有显著的正相关性。

Apart from its vastness, many of these areas are rich in soil and mineral deposits.

他们所居住的区域,不仅幅员辽阔, 而且有许多地方土地肥沃、矿藏丰富.

The Sources of Mineral N Released by EUF and Their Effect on Reflection of Soil Nitrogen Supplying Capacity

EUF析滤出的矿质氮源及其反映土壤供氮能力方面的效果

Effect of Dissolved Organic Acids on Arsenate Adsorption-desorption onto Soil Mineral

溶解性有机酸对砷在土壤矿物质表面吸附&解吸行为的影响

Effect of NaCl stress on growth and mineral element absorption of Leymus chinensis in drying soil

土壤脱湿过程中NaCl胁迫对羊草生长和矿质元素吸收的影响

Effects of Soil Moisture on Mineral Nutrition Uptake in Upland Rice at Tillering Stage

分蘖期土壤水分对旱稻矿质养分吸收的影响