scholarly journals A WiFi-Based Sensor Network for Flood Irrigation Control in Agriculture

Electronics ◽  
2021 ◽  
Vol 10 (20) ◽  
pp. 2454
Author(s):  
Jaime Lloret ◽  
Sandra Sendra ◽  
Julia García-Fernández ◽  
Laura García ◽  
Jose M. Jimenez

The role of agriculture in society is vital due to factors such as providing food for the population, is a major source of employment worldwide, and one of the most important sources of revenue for countries. Furthermore, in recent years, the interest in optimizing the use of water resources has increased due to aspects such as climate change. This has led to the introduction of technology in the fields by means of sensor networks that allow remote monitoring and control of cultivated lands. In this paper, we present a system for flood irrigation in agriculture comprised of a sensor network based on WiFi communication. Different sensors measure atmospheric parameters such as temperature, humidity, and rain, soil parameters such as humidity, and water parameters such as water temperature, salinity, and water height to decide on the need of activating the floodgates for irrigation. The user application displays the data gathered by the sensors, shows a graphical representation of the state of irrigation of each ditch, and allows farmers to manage the irrigation of their fields. Finally, different tests were performed on a plot of vegetables to evaluate the correct performance of the system and the coverage of the sensor network on a vegetated area with different deployment options.

2018 ◽  
Vol 32 (2) ◽  
pp. 585-592
Author(s):  
T. I. Fotina ◽  
H. A. Fotina ◽  
Zh. E. Klishchova ◽  
V. L. Arefiev ◽  
О. М. Chemych

Author(s):  
Aidan Duane ◽  
Patrick Finnegan

As the criticality of e-mail for electronic business activity increases, adhoc e-mail implementation, prolonged management neglect and user abuse of e-mail systems have generated negative effects. However, management’s ability to rectify problems with e-mail systems is hindered by our understanding of its organisational use. Research on e-mail systems is often dated and based on quantitative methodologies that cannot explain the interaction between various controls in organisational settings. Updating our understanding of the organisational aspects of e-mail systems utilizing qualitative methods is necessary. This chapter presents a multiple case study investigation of e-mail system monitoring and control. The study examines the interaction between key elements of e-mail control identified by previous researchers and considers the role of such controls at various implementation phases. The findings reveal eight major elements to be particularly important in monitoring and controlling e-mail systems within the organisations studied. These are: (1) form a cross-functional e-mail system management team; (2) implement and regularly update e-mail management software; (3) formulate a detailed and legally sound e-mail policy; (4) engage in structured e-mail system training; (5) create and maintain ongoing awareness of e-mail policy; (6) engage in a process of hybrid feedback and control-based e-mail monitoring; (7) firmly enforce discipline in accordance with the e-mail policy; and (8) conduct regular reviews and updates of the e-mail management programme.


Measurement ◽  
2014 ◽  
Vol 47 ◽  
pp. 483-495 ◽  
Author(s):  
Oscar Casas ◽  
Marga López ◽  
Marcos Quílez ◽  
Xavier Martinez-Farre ◽  
Gemma Hornero ◽  
...  

2007 ◽  
Vol 6 (3) ◽  
pp. 433-455 ◽  
Author(s):  
David Whitebread ◽  
Sue Bingham ◽  
Valeska Grau ◽  
Deborah Pino Pasternak ◽  
Claire Sangster

The authors present findings from a large 2-year study exploring the development of self-regulatory and metacognitive abilities in young children (aged 3 to 5 years) in educational naturalistic settings in the United Kingdom (English Nursery and Reception classrooms). Three levels of analysis were conducted based on observational codings of categories of metacognitive and self-regulatory behaviors. These analyses supported the view that, within the 3- to 5-year age range, there was extensive evidence of metacognitive behaviors that occurred most frequently during learning activities that were initiated by the children, involved them in working in pairs or small groups, unsupervised by adults, and that involved extensive collaboration and talk (i.e., learning contexts that might be characterized as peer-assisted learning). Relative to working individually or in groups with adult support, children in this age range working in unsupervised small groups showed more evidence of metacognitive monitoring and control. Relative to children in supervised groups, they also showed more evidence of “other” and “shared” regulation. The implications for research, theory, and educational practice are discussed.


2014 ◽  
Vol 94 (2) ◽  
pp. 184
Author(s):  
Adrian G. Fischer ◽  
Tanja Endrass ◽  
Martin Reuter ◽  
Christian Kubisch ◽  
Markus Ullsperger

1979 ◽  
Vol 1 (3) ◽  
pp. 177-179 ◽  
Author(s):  
J.A. Kennerley

In this paper the author distinguishes between the busi ness manager's task of making decisions and the supervisor's role of monitoring and control, and urges that the former must be aware of the modern business information system. The importance of firms developing an 'Information Demand Structure' is discussed to allow the making of instant com parisons of various courses of action in response to informa tion on events which are outside of their usual planning and which are likely to affect their business.


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