Effects of Drip Irrigation Models on Chemical Clogging under Saline Water Use in Hetao District, China
作者： Lili Zhangzhong , Peiling Yang , Wengang Zheng , Caiyuan Wang , Chong Zhang
DOI: 10.3390/W10030345
关键词:
摘要: Saline water is a major resource for agricultural irrigation in arid-semi arid regions, especially when it combined with drip irrigation. However, highly saline can easily cause clogging of the emitters systems, adversely affecting crop growth. Hence, 2a processing tomatoes study was conducted Hetao district. The chemical analyzed using four models: RI1 (all fresh irrigation), RI2 (saline use flowering stage, fruiting stage), RI3 (fresh and RI4 irrigation). results revealed that discharge ratio variation (Dra) Christiansen uniformity coefficient (CU) decreased to 74.0% 70.9%, respectively, which considered as clogged condition poor uniformity. When compared all model, Dra CU fresh-saline alternating models (RI2 RI3) were higher by 12.16% 18.05%, respectively. Additionally, dry weight (DW) fouling less than 16.30%. showed linear relationships (R2 > 0.79) different models. declined, more adverse influence on maintaining high found RI4. Using recommended control systems. Calcium carbonate (CaCO3) dominant scale formed, caused clog grown system water.
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