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堿化土壤的持续效果对如何使得强堿化土壤得到彻底改良具有重要意义。
Using the two assured modifying agent can hold back the sodic soil reduce alkalescence of soil increase physicochemical property of soil thereby it can achieve increasing production on rice.