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Evaluation of uniformity coefficients for sprinkler irrigation systems under different field conditions in Kurdistan Province (Northwest of Iran)
coefficient of uniformity Christiansen equation Iran solid set sprinkler irrigation
2015/3/2
In the past few decades, several coefficients of uniformity were developed to express the uniformity of water distribution for different sprinkler irrigation systems. Christiansen's uniformity coeffic...
Assessment cultivated period and farm yard manure addition on some soil properties, nutrient content and wheat yield under sprinkler irrigation system
Sandy Soil Hydrophysical Chemical Properties
2013/2/27
This study examined changes in some soil hydrophysical, chemical properties and wheat yield (grain; straw yield, N, P, K, Protein and carbohydrates contents) as trends under two cultivated period 10 a...
Estimating crop coefficient model for upland rice (NERICA) under sprinkler irrigation system
Crop coefficient upland rice sprinkler irrigation
2011/1/10
Efficient crop coefficient (Kc) estimation is very important to adequately determine water use of a selected crop. In this study, crop coefficient was determined for upland rice (NERICA) under a sprin...
An Optimization Model and Waterhammer for Sprinkler Irrigation Systems
Sprinkler Irrigation Optimization Models Dynamic Programming Waterhammer
2009/10/14
There are many possible layouts for transporting water from its source to hydrants. That is why the most economical solution must be found. In practice, trial and error procedures are usually applied ...
Performance Analysis of Collective Set-Move Lateral Sprinkler Irrigation Systems used in Central Anatolia
Sprinkler system Christensen uniformity coefficient Distribution uniformity Irrigation adequacy Central Turkey
2009/1/8
Performance assessment (PA) of irrigation and drainage systems has been an important area of research and debate in recent years. The present study was carried out to determine some performance parame...
Cotton Yield Response and Economic Implications to In-Row Subsoil Tillage and Sprinkler Irrigation
Cotton Yield Economic Implications In-Row Subsoil Tillage Sprinkler Irrigation
2008/12/15
Deep tillage at a 45° angle has been a recommended practice since the mid-1970s on most Mississippi Delta cotton soils. This practice disrupts hard pans and allows deeper wetting of the soil profile w...
Calibration and Use of the UGA EASY Evaporation Pan for Low Frequency Sprinkler Irrigation of Cotton in a Clay Soil
Cotton Calibration
2008/6/11
A new irrigation scheduling tool called the UGA EASY Pan (Evaporation-based Accumulator for Sprinkler-enhanced Yield) allows remote observation of evaporation that can be correlated with crop water us...
Sprinkler Irrigation as an Energy and Water Saving Approach to Rice Production and Management of Riceland Pests
Sprinkler Irrigation Energy Water Saving Approach Rice Production Management Riceland Pests
2013/9/11
Rice is currently produced on approximately 400,000 acres in the Texas Coastal Prairie. This rice consumes 1.8 million acre-feet of water a year or 13 percent of Texas' renewable water resources. The ...
Automation of Pivot Sprinkler Irrigation Systems to More Efficiently Utilize Rainfall and Irrigation Water
Pivot Sprinkler Irrigation Systems More Efficiently Utilize Rainfall Irrigation Water
2013/9/11
A study was conducted to develop automated pivot sprinkler irrigation systems and determine if such systems use less water and energy than manually operated systems. The study was conducted near Earth...
Influence of Transpiration Suppressants, Sprinkler Irrigation and Moisture Levels on Transpiration and Evapotranspiration
Influence Transpiration Suppressants Sprinkler Irrigation Moisture Levels Transpiration Evapotranspiration
2013/9/11
In 1968 and 1969, moisture level treatments were applied to tomatoes and citrus. Light sprinkler applications and white acrylic paint were applied to leaf canopies of tomatoes and citrus. Moisture use...