نتایج جستجو برای: sprinklers

تعداد نتایج: 257  

Journal: :Misr Journal of Agricultural Engineering 2009

Journal: :Visegrad Journal on Bioeconomy and Sustainable Development 2023

Abstract In the presented paper, we evaluated quality of work and economics use irrigation system consisting micro-sprinklers. The experiment took place on football field in countryside southwest Slovakia. original was replaced with a modern one, using control unit, rainfall sensor, in-ground distribution pipes consisted components forming main detailed equipment for irrigating an area 4,272 m ...

ژورنال: علوم آب و خاک 2015
برومند نسب , سعید , بهزاد, مجید , رحمت‌آبادی, وحید , سخایی‌راد, حسین ,

In order to increase the distribution uniformity of sprinkler irrigation systems, some influential parameters such as wind speed, arrangement, space and type of sprinklers must be studied and controlled. In this study, a set of experiments were conducted based on ISO 7749/2(1990) standard to evaluate the ADF 250 and Nelson, F80APV sprinklers. To study the effects of wind velocity, operating pre...

Journal: :Transactions of the VSB - Technical University of Ostrava, Safety Engineering Series 2012

Journal: :International Journal of Enviornment and Climate Change 2022

Litchi (Litchi chinensis Sonn.) is an important subtropical evergreen fruit crop of Sapindaceae family. Fruit cracking a serious problem in litchi happen during growth and its development. affect significant loss economic yield. coincides with period characterized by high day temperature (35-40°C) low relative humidity (60%). Effect water sprinkling over tree canopy on cracking, quality yield w...

Journal: :Misr Journal of Agricultural Engineering 2010

Journal: :Inżynieria Ekologiczna 2016

Journal: :Sistemnì tehnologìï 2021

The purpose of the study is to develop a procedure for determining parameters layout active sprinkler equipment in closed irrigation systems. This paper presents importance transforming agricultural production into highly developed sector economy which impossible without reducing its dependence on adverse climatic conditions. introduction modern computer-integrated technologies, including preci...

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