نتایج جستجو برای: irrigation network
تعداد نتایج: 713500 فیلتر نتایج به سال:
evaluating the performance of irrigation systems by providing the possibility of increasing irrigation efficiency in those systems is an important factor in the field of water resources management. in this study, the performance of three systems were evaluated, including linear move sprinkler irrigation systems in maize, sugar beet and alfalfa fields of magsal agro-industrial company which is l...
-Water plays an important role in everyday’s life. Agriculture is a backbone of our country and it uses 85% of available fresh water for irrigation. Irrigation is the method of supplying the water to the plants artificially. In India, Farmers follow different irrigation systems to cultivate the crops. The different types of irrigation methods include sprinkler irrigation, drip irrigation, surfa...
The release policy for a reservoir’s network can be designed by solving a multiobjective control problem. However, the use of resolution algorithms based on stochastic dynamic programming, with their high computational requests, imposes strong simplification in modelling the water system. In particular, downstream irrigation districts are often described as static subsystems, i.e. assuming an a...
Greenhouse is a building, which provides controlled climate conditions to the plants to keep them from external hard conditions. Greenhouse technology gives freedom to the farmer to select any crop type in any time during year. The quality and productivity of plants inside greenhouse is highly dependent on the management quality and a good management scheme is defined by the quality of the info...
Wireless Sensor Networks (WSN) have been highly developed which can be used in agriculture to enable optimal irrigation scheduling. Since there is an absence of widely used available methods to support effective agriculture practice in different weather conditions, WSN technology can be used to optimise irrigation in the crop fields. This paper presents architecture of an irrigation system by i...
Agriculture plays the vital role in economics and survival of people in India. Nowadays Indian agriculture faces a two major problem. We know the government has promoted a free supply of electricity to farmers for irrigation purpose to run their motors and pumps. But it is found that the farmers misusing the electricity to run their home appliances such as radio, TV, fans, and etc. This misuse ...
In arid areas, people living in the proximity of irrigation infrastructure are potentially exposed to a higher risk of malaria due to changes in ecohydrological conditions that lead to increased vector abundance. However, irrigation provides a pathway to economic prosperity that over longer time scales is expected to counteract these negative effects. A better understanding of this transition b...
BACKGROUND The need for reoperation or wound infection treatments between pulsatile and gravity irrigation are statistically equivalent, however, it is unclear which method maximizes operative efficiency and expeditious irrigation. In this study we set out to determine the differences in irrigation rate between these various treatment methods. METHODS This was an ex-vivo experimental laborato...
The literate and city-based polities of Sumer and Akkad in southern Iraq are widely regarded as among the earliest examples of successful city-based civilisation, and great strides have been made in understanding their archaeology, economy, literature and social conditions. Fundamental to the development of these societies was a network of water channels, which provided irrigation for the culti...
One of the problems of existing irrigation networks is seepage phenomena. Seepage problem and its control in irrigation channels is one of the most important issues in the design, construction, maintenance and operation of these channels. In this study, simulated the rate of seepage and phreatic lines in the Mianab irrigation and drainage channels located in the Karun basin using mathematical t...
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