Assessing the Effects of Drip Irrigation System Uniformity and Spatial Variability in Soil on Nitrate Leaching through Simulation

doi:10.13031/trans.59.11488

Cited by 7 publications

(2 citation statements)

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“…Using simulation, the researchers found that spatial variabilities in saturated hydraulic conductivity, saturated water content, and the initial soil water and soil nitrate contents all resulted in significant differences in nitrate leaching. Wang et al (2016) conclude that microirrigation system uniformities as low as 60%, although lower than the current standards, may be acceptable in terms of nitrate leaching, as the soil spatial variability may dampen the uniformity effects of the microirrigation system.…”

Section: Microirrigationmentioning

confidence: 73%

“…However, spatial variability in the soil can greatly affect the ultimate nutrient distribution in the soil (Wang et al, 2016). Using simulation, the researchers found that spatial variabilities in saturated hydraulic conductivity, saturated water content, and the initial soil water and soil nitrate contents all resulted in significant differences in nitrate leaching.…”

Section: Microirrigationmentioning

confidence: 99%

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Emerging Technologies for Sustainable Irrigation: Selected Papers from the 2015 ASABE and IA Irrigation Symposium

2016

Trans.ASABE

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Section: Microirrigationmentioning

confidence: 73%

Section: Microirrigationmentioning

confidence: 99%

Emerging Technologies for Sustainable Irrigation: Selected Papers from the 2015 ASABE and IA Irrigation Symposium

2016

Trans.ASABE

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Increasing Crop Productivity in an Eco‐Friendly Manner by Improving Sprinkler and Micro‐Irrigation Design and Management: A Review of 20 Years' Research at the IWHR, China

2017

Irrigation and Drainage

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The use of sprinkler and micro‐irrigation has progressed continuously from being a novelty that was employed by researchers to being widely accepted, efficient methods of irrigation for many crops during the past 30–40 years in China. This paper reviews the studies that have been conducted on sprinkler and micro‐irrigation at the WatSave Lab in the China Institute of Water Resources and Hydropower Research (IWHR) over the past two decades. These studies address several areas of concern and provide partial answers to the questions raised during the application and extension of these relatively new irrigation technologies. With the aim of exploring the consumption of sprinkled water that is intercepted by the canopy, the amount of water interception and the losses were quantified, confirming that sprinkler irrigation is an efficient irrigation method. The standards of sprinkler and micro‐irrigation uniformity were studied with respect to many aspects of water and solute dynamics, environmental effects, and crop yield and quality under a wide range of environments from arid to subhumid climates for typical wheat, cotton, maize and vegetable crops. As a result, new target uniformity values have been recommended. Other studies on water, solute and bacterial transport from normal water and sewage effluent can also be useful in the design, operation, maintenance and management of irrigation systems. Copyright © 2017 John Wiley & Sons, Ltd.

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Modeling of irrigation and related processes with HYDRUS

Lazarovitch

Kisekka

Oker

et al. 2023

Advances in Agronomy

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Assessing the Effects of Drip Irrigation System Uniformity and Spatial Variability in Soil on Nitrate Leaching through Simulation

Cited by 7 publications

References 37 publications

Emerging Technologies for Sustainable Irrigation: Selected Papers from the 2015 ASABE and IA Irrigation Symposium

Emerging Technologies for Sustainable Irrigation: Selected Papers from the 2015 ASABE and IA Irrigation Symposium

Increasing Crop Productivity in an Eco‐Friendly Manner by Improving Sprinkler and Micro‐Irrigation Design and Management: A Review of 20 Years' Research at the IWHR, China

Modeling of irrigation and related processes with HYDRUS

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