irrigation efficiency Articles
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Study on the joint probability distribution of irrigation water volume and irrigation water efficiency
Using the copula method, the joint probability distribution of irrigation water volume and efficiency is constructed, and their joint return period is also described to reveal the encounter probability of irrigation water volume and efficiency. Furthermore, the conditional probability of irrigation water efficiency with different water volumes is built to show the quantitative effects of flow ...
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Irrigation water governance in practice: the case of the Canale Emiliano Romagnolo district, Italy
Irrigation is an essential element of agricultural production whose absence would create great economic hardship in many regions of the global South. Yet irrigated agriculture uses 70% of global fresh water withdrawals, putting major pressure on global water resources. Whilst much research has focused on technological solutions to improve irrigation efficiency, irrigation water ...
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Raising water productivity
With water shortages emerging as a constraint on food production growth, the world needs an effort to raise water productivity similar to the one that nearly tripled land productivity during the last half of the twentieth century. Worldwide, average irrigation water productivity is now roughly 1 kilogram of grain per ton of water used. Since it takes 1,000 tons of water to produce 1 ton of grain, ...
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Understanding irrigation water use efficiency at different scales for better policy reform: a case study of the Murray-Darling Basin, Australia
This paper examines water use efficiency and economic efficiency with a particular focus on the Murray-Darling Basin of Australia and the stated policy goal of increasing environmental flows of water in the Basin. The different measures of efficiency are explained, and their implications for water reform and the efficacy of market based approaches to addressing the water scarcity issues and ...
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Cotton subsurface drip and overhead irrigation efficiency, maturity, yield, and quality
Subsurface drip (SSD) is used as a water-efficient alternative to overhead irrigation in many crops. This study compared soil water, water use, crop maturity, lint yield, and fiber quality of cotton (Gossypium hirsutum L.) grown with SSD to cotton grown with overhead irrigation. Three experiments were conducted at two Georgia locations in 2004 and 2005. Treatments consisted of overhead irrigated, ...
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Agricultural water vulnerability in rural Iran
Water is an important factor of production and livelihood support in rural communities. Meanwhile, water shortage is a virtually common feature in many arid and semi-arid countries. It is also projected that water stress will be exacerbated in such regions because of climate change. The cumulative effects of these stressors can potentially increase agricultural water vulnerability (AWV). ...
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Optimizing Irrigation Efficiency with Smart Soil Sensor Systems
In the face of growing water scarcity and the pressing need for sustainable agricultural practices, optimizing irrigation efficiency has become a paramount concern for farmers worldwide. Traditionally, irrigation scheduling has relied on estimates and fixed schedules, often leading to overwatering or underwatering, resulting in wasted water, nutrient leaching, and reduced crop yields. The advent ...
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Efficiency of maize irrigation scheduling in climate variability and extreme weather events in eastern Croatia
This study was conducted (2010–2012) to analyse the efficiency of irrigation scheduling in maize production based on soil moisture measurements (Watermark soil moisture sensors) in years with extreme weather events at the research site of the Agricultural Institute in Osijek, eastern Croatia. Three irrigation treatments and four maize hybrids were studied. In the extremely rainy 2010, the ...
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Automatic irrigation control system: easy management, efficient irrigation
Background: With the continuous development and application of science and technology, more and more fields begin to adopt automation technology to improve production efficiency and reduce costs. In the agricultural sector, automatic irrigation control systems have become a must-have device that can help farmers easily manage their fields, achieve efficient irrigation, and improve crop yield and ...
By JXCT
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Modeling the impacts of increase in temperature on irrigation water requirements in Palakkad district: a case study in humid tropical Kerala
Rise in temperature is one of the predicted impacts of climate change with significant implications on water resources management. An attempt has been made to calculate the water requirement of crops in different agro-ecological zones of Palakkad district in humid tropical Kerala using the CROPWAT 8.0 model. Sensitivity analysis was done for a simulated rise in temperature from 0.5 to 3.0 ...
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Potential water savings associated with agricultural water efficiency improvements: a case study of California, USA
This study analyzes the potential for water savings from irrigation efficiency improvements in California, USA. We model water savings associated with three efficiency scenarios in wet, average and dry water years. The ‘efficient irrigation technology’ scenario shifts a fraction of the crops from flood irrigation to sprinkler and drip systems; the ‘improved irrigation scheduling’ scenario uses ...
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GoRoSoBo: an overall control diagram to improve the efficiency of water transport systems in real time
Agriculture plays an important part in the food chain and water resources for agriculture are essential. A problem is that the water transport systems present low efficiencies in practice. Crop yields must be optimized, and the goal of an operational water manager is to deliver water to irrigation sites accurately and efficiently. In order to fulfill this objective, we propose a centralized ...
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Comparative research on water and energy-saving irrigation systems in the GAP and Aegean regions of Turkey
This research was carried out to determine the effects of furrow, sprinkler, drip, mobile nozzle, mobile drip and LEPA (Low Energy Precision Application) irrigation methods on the yields and Water Use Efficiency of cotton in the South Eastern Anatolian Project (GAP) Area and in the Aegean Region. According to the results obtained, the highest yield was produced from the drip irrigation method. ...
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Comparative advantage for the areas irrigated with underground blue water in North China Plain
North China Plain is one of the most important grain-producing areas in China. Because of unevenly distributed precipitation in this semi-arid area, crop production largely relies on underground blue water (UBW) to irrigate, overexploitation of which causes a lot of environmental problems. In this paper, we first defined the representative division of winter wheat irrigation water production ...
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Irrigation water demand and implications for groundwater pricing in Pakistan
This study employs the positive mathematical programming (PMP) approach to estimate groundwater derived demand for irrigation using a cross-sectional dataset of 200 predominantly groundwater irrigated farms from the Punjab province of Pakistan. First, we find that the PMP optimal solution uses less water than what is available (being extracted) in order to make farmers allocate all the ...
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Revolutionizing Crop Management with Smart Irrigation Solutions
Manna Irrigation offers a customized cloud-based, sensor-free software solution that helps growers and corporations optimize irrigation and monitor crop growth. Why Choose Manna Irrigation? Optimized Irrigation Maximize irrigation efficiency to enhance production processes and improve yield quantity and quality. Prioritize sustainability goals for efficient irrigation practices and ...
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Soil Sensors: The Key to Efficient and Sustainable Agricultural Management
Abstract:As the global population continues to grow and resources become increasingly strained, the efficiency and sustainability of agricultural production are becoming increasingly important. Soil sensors play a vital role in this process, providing real-time information on soil conditions to help farmers manage and improve their fields more effectively.Advantages of soil sensors:First, improve ...
By JXCT
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Irrigation Systems and Practices in Challenging Environments
The book Irrigation Systems and Practices in Challenging Environments is divided into two interesting sections, with the first section titled Agricultural Water Productivity in Stressed Environments, which consists of nine chapters technically crafted by experts in their own right in their fields of expertise. Topics range from effects of irrigation on the physiology of plants, deficit irrigation ...
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Review of agricultural water management policies in Near East and North African Region in light of water scarcity
This paper explores the current debate about water management policies and the factors affecting their formulation and implementation in the arid and semi–arid zones of the Near East and North African Region (NENAR). In this context, relevant and significant experiences of other countries in the world facing similar challenges are also considered (Sachdeva, 2009). The literature pertaining ...
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Evaluation of yield, quality and crop water stress index of sugar beet under different irrigation regimes
This study was carried out to evaluate the use of the crop water stress index (CWSI) for irrigation scheduling of sugar beet for two years under the semi arid climate of Iran. Statistical relationships between CWSI and yield, quality parameters and irrigation water use efficiency (IWUE) were investigated. Irrigations were scheduled based on 100 (I100), 85 (I85), 70 (I50) and 0% (I0) of plant ...
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