The soil–water flow system beneath a cotton field in arid north-west China, serviced by mulched drip irrigation using brackish water | système sol-écoulement d’eau en-dessous d’un champ de coton en milieu aride dans le Nord-Ouest de la Chine, entretenu par une irrigation au goutte à goutte sous bâche utilisant eau eau saumâtre El sistema de flujo agua-suelo debajo de un campo de algodón en el árido noroeste de China, servido por una cobertura de riego por goteo usando agua salobre 中国西北干旱区微咸水膜下滴灌棉田土壤水流系统 Sistema de fluxo da água no solo sob uma plantação de algodão no noroeste árido da China, utilizando rega gota-a-gota com água salobra sob uma tela

brackish water china climate cotton electrical conductivity field experimentation hydrogeology irrigation management microirrigation mulches plant growth rhizosphere salinity salts soil salinity soil water soil water content spatial distribution surface water water content water table