furrow-irrigation

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Furrow Irrigation

Author : James C. Marr
ISBN : PSU:000019039336
Genre : Irrigation canals and flumes
File Size : 22. 75 MB
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Furrow Irrigation

Author :
ISBN : UCR:31210020138929
Genre : Irrigation canals and flumes
File Size : 63. 96 MB
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Furrow Irrigation

Author : George A. Lawrence
ISBN : UIUC:30112101919956
Genre : Irrigation canals and flumes
File Size : 23. 76 MB
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Contour Furrow Irrigation

Author : Karl O. Kohler
ISBN : UIUC:30112101919931
Genre : Contour farming
File Size : 33. 29 MB
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Farmers Use Of Basin Furrow And Bed And Furrow Irrigation Systems And The Possibilities For Traditional Farmers To Adopt The Bed And Furrow Irrigation Method

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ISBN :
Genre :
File Size : 81. 76 MB
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Designing An Automatic Cut Back Furrow Irrigation System

Author : James E. Garton
ISBN : UIUC:30112019809059
Genre : Furrow irrigation
File Size : 52. 13 MB
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Soil Erosion And Its Control Under Furrow Irrigation In The Arid West

Author : S. J. Mech
ISBN : UVA:X030490563
Genre : Furrow irrigation
File Size : 66. 34 MB
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Furrow Irrigation Optimization With Nonuniform Soil And Optimal Number Of Samples

Author : Hajime Ito
ISBN : UCAL:X53400
Genre :
File Size : 78. 72 MB
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Rice Production With Furrow Irrigation In The Mississippi River Delta Region Of The Usa

Author : Gene Stevens
ISBN : OCLC:1154298763
Genre : Technology
File Size : 48. 3 MB
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Furrow irrigated rice is an alternative method for growing rice with less water and labor than conventional flood irrigation. In the Mississippi River Delta region, layflat plastic pipe is used to supply water to furrows from irrigation wells. Different size holes are punched in pipe to optimize uniformity of water distribution. Beds are made before planting to channel water down furrows. Rice seed is planted in rows with a grain drill. Water infiltration in furrows is two-dimensional through a wetted perimeter with soil in the bottom of furrows and sidewalls of beds. An ideal field for furrow irrigation has no more than 0.1% slope with high clay content. No rice cultivars have been developed specifically for furrow irrigation but tests showed that some cultivars tolerate water stress better than others. In field trials, rice yields with furrow irrigation were lower than flooded rice with the greatest yield loss in the upper part of fields. However, results indicated that rice yields can be increased with proper timing of nitrogen fertilization and irrigation and adaption of new rice herbicides for weed control.

Water Use Efficiency Of Drip Sprinkler And Furrow Irrigation Systems

Author : Falih K. Aljibury
ISBN : UCR:31210025027838
Genre : Furrow irrigation
File Size : 26. 2 MB
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The Furrow Irrigation Erosion Simulator

Author : Washington State University. College of Agriculture and Home Economics. Research Center
ISBN : UIUC:30112096877508
Genre : Irrigation
File Size : 46. 20 MB
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Nonlinear Hydrodynamic Model Of Furrow Irrigation

Author : Francisco Souza
ISBN : UCAL:X15343
Genre :
File Size : 78. 14 MB
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A mathematical model of the entire furrow-irrigation process has been developed. This model can be used to analyze and predict the performance of free-draining sloping furrow irrigation systems; capability for preduction of low with cutback was also provided. The model is based on the solution of the complete continuity and momentum conservation equations, which govern the unsteady, gradually varied flow of water in open channels. Therefore, it is a complete hydrodynamic model. In addition, it has been demonstrated that zero-inertia conditions can also be simulated by the present model. A fully implicit finite-difference scheme was used to find approximate solutions for the integrated form of the non-linear governing equations, which are simultaneously solvedby the double-sweep technique. The input to the model consists of the inflow discharge, furrow slape, cutoff (application) time, lenght, roughness (the Manning n), soil-infiltration characteristics (k and a in the Kostiaskov equation), and furrow shape (C and M in the top width equation, B = Cym, for a power-law cross section0. output information consists of advance and recession times, post-irrigation areal distribution of infiltrated water along the furrow, runoff volume, as well as water application and storage efficiencies. Dimensional analysis was applied to reduce the number of governing parameters in the equations. Model performance was evaluated by comparison with field data. The results of both the hydrodynamic and the zero-inertia approaches ...

Stochastic Furrow Irrigation Modeling

Author : Lawrence John Schwankl
ISBN : UCAL:X39581
Genre :
File Size : 68. 35 MB
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Influence Of Furrow Irrigation Schedule On The Development Of Phytophthora Root Rot And The Effects Of Root Rot On The Water Relations Growth Phenology And Yield Of Processing Tomatoes In The Field

Author : Jean Elaine Beagle-Ristaino
ISBN : UCAL:X33114
Genre :
File Size : 89. 32 MB
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Relation Of Water Absorption To Duration Of Application In Furrow Irrigation

Author : John C. McWhorter
ISBN : UCR:31210024785881
Genre : Furrow irrigation
File Size : 60. 18 MB
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Bacteriological Aspects Of Drip And Furrow Irrigation With Treated Wastewater

Author : Rafael Kopschitz Xavier Bastos
ISBN : OCLC:1184566388
Genre : Irrigation water
File Size : 67. 66 MB
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Identification Of Intake Parameters And Control Of Furrow Irrigation Systems Under Spatially Variable Infiltration

Author : Eduardo Bautista-Vera
ISBN : UCAL:X48092
Genre :
File Size : 45. 25 MB
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Stochastic Scheduling Simulation And Optimization Of Furrow Irrigation

Author : Narendra Singh Raghuwanshi
ISBN : UCAL:X54479
Genre :
File Size : 64. 55 MB
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Field Wide Infiltration Variability In Furrow Irrigation

Author : Kenneth Craig Tarboton
ISBN : UCAL:X32744
Genre : Furrow irrigation
File Size : 87. 96 MB
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Inoculum Density Furrow Irrigation And Soil Temperature Effects On The Epidemiology Of Phytophthora Root Rot Of Processing Tomatoes

Author : Deborah Ann Neher
ISBN : UCAL:X42622
Genre :
File Size : 41. 58 MB
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