再生水滴灌对黄瓜地土壤特性的影响

再生水滴灌是解决水资源短缺的有效途径之一。采用大田试验方法，以地下水滴灌为对照，分析研究了滴灌条件下不同再生水水质对黄瓜根际土壤特性的影响。结果表明:在土壤理化性状方面，再生水滴灌情况下，黄瓜地土壤pH与对照相比无显著差异；再生水滴灌处理土壤EC值高于地下水滴灌；在土壤养分方面，与对照相比，碱解氮、有效磷、速效钾含量差异不显著；再生水浓度越大，对土壤呼吸的增强效应越明显。

Effect of Drip Irrigation with Reclaimed Water on Soil Properties in Cucumber Field

Reclaimed water drip irrigation is one of the effective measures to deal with the scarcity of water resources. Through field experimental method and taking irrigation with tap water as control treatment, the influence of drip irrigation with different water quantity on soil properties of cucumber rhizosphere was investigated. The results indicated that for the aspect of physical and chemical characteristics of soil, the influence of drip irrigation with reclaimed water on the pH value of soil was not obvious, but the influence of drip irrigation with reclaimed water on the EC value of soil was much higher than the control treatment; for the aspect of soil nutrients, the difference of the contents of alkaline hydrolytic nitrogen, available phosphorus and rapidly available potassium was not obvious. Higher concentration of the reclaimed water leads to higher simulation effect of soil respiration.