نتایج جستجو برای: sprinkler irrigation systems

تعداد نتایج: 1221929  

Journal: :Sustainability 2021

Preserving the sustainable agriculture concept requires identifying plant response to water regime and rationing for irrigation. This research compares different irrigation designs coupled with a parametric evaluation system on soil erosion suitability assess sites vulnerable based model (ImpelERO) in an area of 150.0 hectares, Ismailia Governorate, Egypt. Land maps are prepared using Geographi...

2014
Taylor Myers André Marshall Michael Gollner

Title of Thesis: A POTENTIAL FLOW MODEL OF A FIRE SPRINKLER HEAD Taylor Myers, Master of Science, 2014 Dissertation directed by: Professor André Marshall Department of Fire Protection Engineering Understanding fire sprinkler sprays fills a critical gap in the modeling of fire suppression systems. Previous research has shown that a modeling framework consisting of an instability model coupled wi...

Journal: :Pharma innovation 2022

A field experiment was conducted at Wetland farm, Department of Agronomy, Tamil Nadu Agricultural University, Coimbatore during summer 2022 to study the effect growth and yield parameters greengram under different irrigation methods. The laid out in randomized complete block design having seven treatments replicated thrice. treatment are T1: Check basin method (Line sowing), T2: (Broadcasting),...

Journal: :پژوهش آب در کشاورزی 0
رامین منصوری دانشجو دکتری سازه های آبی دانشگاه لرستان حسن ترابی استادیار گروه مهندسی آب دانشگاه لرستان حسن گلیج دانشجو دکتری سازه های آبی دانشگاه لرستان دانیال میرشاهی دانشجو کارشناسی ارشد سازه های آبی دانشگاه لرستان

limited water resources, especially in iran, require most effective method of water use to avoid losses. one of the important parameters in irrigation is water distribution uniformity coefficient (cu) in sprinkler irrigation. cu in every irrigation depends on pressure heads (p), riser height (rh), distance between sprinklers on lateral pipes (sl), and the distance between lateral pipes (sm). th...

2006
Kipling S. Balkcom D. Wayne Reeves Joey N. Shaw Charles H. Burmester Larry M. Curtis

Cotton (Gossypium hirsutum L.) yield and quality responses to irrigation have not been described for conservation management systems that growers are rapidly adopting. We conducted a field experiment from 2001–2003 in the Tennessee Valley near Belle Mina, AL on a Decatur silt loam (fine, kaolinitic, thermic Rhodic Paleudults) to examine how irrigation regimes and tillage systems affect ginning ...

2007
DANIEL J. O ’ CONNOR

Schirmer Engineering Corporation (Schirmer Engineering) was retained by The Fire Protection Research Foundation (FPRF) as a Project Consultant for the project titled “Data Needs for NFPA Automatic Sprinkler Committees.” This report investigates the NFPA 13, Standard for the Installation of Sprinkler Systems (2007 Edition) requirements for dry pipe systems having a maximum volume of 500 gallons ...

ژورنال: علوم آب و خاک 2006
کورش رضائی‌‌مقدم, , حمیدرضا ابراهیمی, , عزت‌‌اله کرمی, ,

Increasing the water use efficiency through promotion of sprinkler irrigation system, in order to increase production, has been the aim of the Ministry of Agricultural-Jihad in the past decade. Considerable amount of investment and efforts have been devoted to this end. Therefore, investigation of these efforts and development of models to predict the adoption behavior of farmers are of conside...

2007
Bo Hjorth

The occurence of corrosion is a potentially major problem for all sprinkler systems. It could cause a problem for the operational reliability as well as for the performance reliablity. It is of course negative for the operational reliability if corrosion causes plugged piping, clogging of control valves or simply non-opening sprinkler heads. All of which may well be the effect of uncontrolled c...

Journal: :Journal of nematology 1981
A W Johnson J R Young B G Mullinix

Phenamiphos, ethoprop, and carbofuran each at 6.7 kg a.i./ha were applied to squash, southern pea, and corn via injection into a sprinkler irrigation system. This method was then compared with a conventional application of phenamiphos and ethoprop granules spread on the soil surface and incorporated into the top 15 cm for control of Macroposthonia ornata and Meloidogyne incognita. Nematode popu...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید