Boron accumulation in sodic soil is the key factor for irrigation application of studied effluent water.

元素在碱性土壤中的累积是影响试验用污水长期灌溉应用的关键因素。

Saline meadow soil distributed in the micro basin, and sodic alkaline soil in micro slope or micro flat.

盐化草甸土分布在相对低洼的部位，苏打碱土分布在微坡地和高平地。

The combined states of soil humic substances were studied after undecomposed organic materials were applied into sodic meadow paddy soil.

几种非腐解有机物料施于苏打草甸水稻土后，对土壤中不同结合形态的腐殖质的动态变化进行了研究。

Studying continuous effect in improvement of heavy sodic soil with desulphurization by-product is important to obtain theories of completely improvement.

研究脱硫副产物改良强碱化土壤的持续效果对如何使得强碱化土壤得到彻底改良具有重要意义。

With pot-culture experiments, we evaluated the effect of saline-sodic stress on dry matter accumulation of various organs at different growth stages of rice.

选用吉林省西部典型苏打盐碱土，利用盆栽试验的方法探讨苏打盐碱胁迫对水稻不同生育时期各器官干物质积累的影响。