【摘要】 土壤水分测定方法的新进展—ＴＤＲ测定仪逄春浩（中国科学院地理研究所，北京，１００１０１）水分是天然土壤中的一个重要组成部分，它不仅影响着土壤的物理性质，制约着土壤中的养分和溶济的溶解，转移和微生物的活动，而且是构成土壤肥力和土壤性质的一个重要因素，在...更多还原

【Abstract】 Soil water content mcasurcmcnt is very important for monitoring natural resourcesand environment. The measuremnent means has been a key problem. TDR is a new equlp-ment that has been wldespreadly uscd abroad.TDR is more suitable for arld area than neu-tron moderation,The Institute of Geography has installed and demonstrated TDR in 1992at the Yucheng experimental station.更多还原