| 1. | Salinity refers to the total concentration of salts present in the soil solution .
含盐量是指土壤溶液中所存在的盐类的总浓度。 |
| 2. | Drainage water analyses may not indicate the composition of soil solutions accurately .
排水分析不能正确地反映土壤溶液的组成。 |
| 3. | Determination of oxygen content in forest soil solution
森林土壤溶液中氧含量的测定 |
| 4. | Most research results indicated that temperature has the effects on concentrations of dissolved organic matter in soil solution and on composition of soil organic p
大多数研究结果显示，温度对土壤溶液中的溶解态有机质和土壤有机磷组分有较大的影响。 |
| 5. | The results indicated that the higher irrigation quota was , the higher soil moisture content and the lower soil salt concentration was . but the total salt content increased evidently
结果表明高灌水定额下，灌后土壤含水量较高，土壤溶液浓度较低，但总盐量有所增加。 |
| 6. | Soil nitrate concentrations were estimated based ontdr ecw and a simple linear calibration of ecw vs nitrate concentrations and then predict the soil column nitrate
研究表明，利用时域反射技术得到的土壤溶液电导率计算的硝态氮浓度随溶液电导率以及土壤含水量的变化而变化。 |
| 7. | The soil factors affecting the capacity of fixing - ammonium in tested soils were mainly parent material , soil clay composition , ph , cec , organic matter , available n and concentration of nh4 + in soil
其影响因素主要有成土母质、粘土矿物组成、土壤阳离子交换量、 ph值、有机质含量、碱解氮含量和土壤溶液中铵离子浓度等。 |
| 8. | The release of fixed ammonium still continued at the reaction time of 42 days . ph was an affecting factor of nh4 + - fixation in soil and the category of cation was an affecting factor of fixed - nh4 + - release from soil
供试土壤固定态铵的累计释放量随着时间的延长而缓慢增加，反应42天仍未达到最大值，土壤溶液中阳离子种类能影响固定态铵的释放。 |
| 9. | Ions ( mainly refering to ca2 ' , mg2 * and ncv et al . , which have higher concentration in soil solution ) in rape rhizosphere with no re and appropriate dose re treatments moved mainly via a diffusion process up to a 3mm distance from the central compartment ( c . c ) , and mainly by mass
油菜对照和低浓度稀土处理距根表3mm以内离子（主要指ca 》 、 no 。 w等在土壤溶液中浓度较大的离子）迁移以扩散方式为主， 3mm以外的区域则以质流方式为主。 |
| 10. | In this paper , two methods of efficient improvement of hyperaccumulators are discussed : first , to improve the uptake of heavy metals by plants by increasing heavy metal concentrations in soil solution ; second , to adopt some means based on physiological mechanism of heavy metal phyperaccumulators
本文所探讨的提高此技术功效的方法基于两个方面：提高土壤溶液中重金属的浓度，促进植物对重金属的吸收；根据已?解的超积累的生理机制可能采取的一些措施。 |
