Border strip irrigation

Bay/border Strip Irrigation Border strip, otherwise known as border check or bay irrigation could be considered as a hybrid of level basin and furrow irrigation. The field is divided into a number of bays or strips, each bay is separated by raised earth check banks (borders). The bays are typically longer and narrower compared to basin irrigation and are orientated to align lengthwise with the slope of the field. Typical bay dimensions are between 10-70m wide and 100-700m long. The water is applied to the top end of the bay, which is usually constructed to facilitate free-flowing conditions at the downstream end. One common use of this technique includes the irrigation of pasture for dairy production. Read more about this topic: Famous quotes containing the words bay, border and/or strip: “The seagull’s wings shall dip and pivot him, Shedding white rings of tumult, building high Over the chained bay waters Liberty— Then, with inviolate curve, forsake our eyes ” — “I have, indeed, even omitted facts, which, on account of their singularity, must in the eyes of some have appeared to border on the marvelous. But in the forests of South America such extraordinary realities are to be found, that there is assuredly no need to have recourse to fiction or the least exaggeration. ” —J.G. ( “Perfect present has no existence in our consciousness. As I said years ago in Erewhon, it lives but upon the sufferance of past and future. We are like men standing on a narrow footbridge over a ...

The Indus Basin Irrigation System is characterized as a gravity surface irrigation system, with minimal on-line or off-line storage and limited distribution control. An important characteristic is the limited water availability. On field irrigation within the Indus Basin Irrigation System is almost entirely using surface irrigation and only very few farms adopting pressurized irrigation systems. The objective of the warabandi management system that characterizes the Indus Basin Irrigation System is to distribute the limited available water as equitably as possible. This research evaluates surface irrigation under furrow and border strip irrigation using canal water and groundwater conjunctively. This paper presents results from a numerical model and field observations, to examine the precision surface irrigation paradigm within the water supply constraints imposed by the warabandi system of the Indus Basin Irrigation System. We conclude that laser grading within the IBIS is achievable at a modest cost and effort. Our findings suggest that the improved laser-graded profile persists for at least three crop seasons. Furrow irrigation can attain a high performance using either available canal or groundwater with low quarter distribution uniformity and low quarter application efficiency as performance indicators. Border irrigation can also attain a high performance provided irrigation is changed to fortnightly. Model predictions of advance curve and low quarter distribution uni...

What is a perspective? Perspectives are different frameworks from which to explore the knowledge around sustainable sanitation and water management. Perspectives are like filters: they compile and structure the information that relate to a given focus theme, region or context. This allows you to quickly navigate to the content of your particular interest while promoting the holistic understanding of sustainable sanitation and water management. Border irrigation is a type of surface irrigation where the field is divided into strips separated by border ridges running down the gradient of the field. The area between the ridges is flooded during irrigation. It can be viewed as an extension of basin irrigation to include long rectangular or contoured field shapes, longitudinal but no lateral slope, and free draining or blocked conditions at the lower end. In contrast to basin irrigation bunds are not to contain the water for ponding but to guide it as it flows down the field.

Methods of irrigation surface irrigation Surface irrigation Uncontrolled flooding, Border strip,Check,Basin,Furrow method. Methods of irrigation surface irrigation In all the surface methods, Surface irrigation Uncontrolled flooding, Border strip,Check,Basin,Furrow method. of irrigation, water is either ponded on the soil or allowed to flow continuously over the soil surface for the duration of irrigation. Although surface irrigation, Surface irrigation Uncontrolled flooding, Border strip,Check,Basin,Furrow method. is the oldest and most common method of irrigation, it does not result in high levels of performance. This is mainly because of uncertain infiltration rates which are affected by year-to-year changes in the cropping pattern, cultivation practices, climatic factors, and many other factors. As a result, correct estimation of irrigation efficiency of surface irrigation is difficult. Application efficiencies for surface methods may range from about 40 to 80 per cent. (i) Surface irrigation which includes the following: (a) Uncontrolled (or wild or free) flooding method, (b) Border strip method, (c) Check method, (d) Basin method, and (e) Furrow method. (a) Uncontrolled Flooding When water is applied to the cropland without any preparation of land and without any levees to guide or restrict the flow of water on the field, the method is called ‘uncontrolled’, wild or ‘free’ flooding. In this method of flooding, water is brought to field ditches and then admitted at on...

Irrigation is one of the most important useful things in mankind. There are a lot of methods for irrigation but the main point of this is to give water to the plant effectively and efficiently. Our earth and everything on it is dependent on many things and one of those things includes the plant. Plant respires by giving oxygen and taking in carbon dioxide, therefore the oxygen it releases are inhaled by all living organism such as animals, humans, or anything that depends on water. We need irrigation methods for agriculture as the rain is something that is dependent on the season such as in the temperate zone. Irrigation. source: commons.wikimedia.org The more you read the more information you would get if you have plans regarding agriculture or anything that is related to the soil or plant. Soil There was a time when people suffered through a lot of crisis only because of insufficient rain as it takes a lot of water to take care of large farmland, pouring water over ground was quite impossible as it takes a lot of manpower and time, which costs the farmer more than that he can make out of the farmland. Once the farmer had the irrigation method and little investment they can now be able to do business all over the year even if it’s not the right time. Rainfall verses Irrigation Method Rainfall is nature's irrigation process but it does its work through precipitation, which is water falling from the sky to the soil. The quality of the food doesn’t depend on the shortage of ...

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A volume-balance technique utilizing irrigation advance and recession functions, numerical integration, and an optimization procedure was developed to determine infiltration parameters. The procedure is simple yet rational and accounts for spatial variability of soil characteristics. The required data are flow rate, the coefficients and exponents of the advance and recession functions, and inflow shut-off time. In a field experiment on a clay loam soil (typical of southern Alberta) at the Lethbridge Research Centre, infiltration rates estimated by this technique were similar and in close agreement with those measured with a ring infiltrometer. Except for two border strips, there were no significant mean differences between simulated ( I s) and measured ( I m) infiltration rates. In the two non-conforming border strips, field measured infiltration rates were higher than those simulated with the volume balance approach, most likely due mainly to spatial variability of soil characteristics and partly to lateral flow which occasionally occurs when measuring infiltration with a ring infiltrometer. Citation Excerpt : This phase continues until no surface water remains on the field and the irrigation is complete. The time interval during which infiltration of water into the soil can occur is bounded by the advance and recession functions and is defined as the infiltration opportunity time (Holizapfel et al., 1984; DeTar, 1989; Foroud et al., 1996; Rodriguez, 2003). Water flow, so...

The Indus Basin Irrigation System is characterized as a gravity surface irrigation system, with minimal on-line or off-line storage and limited distribution control. An important characteristic is the limited water availability. On field irrigation within the Indus Basin Irrigation System is almost entirely using surface irrigation and only very few farms adopting pressurized irrigation systems. The objective of the warabandi management system that characterizes the Indus Basin Irrigation System is to distribute the limited available water as equitably as possible. This research evaluates surface irrigation under furrow and border strip irrigation using canal water and groundwater conjunctively. This paper presents results from a numerical model and field observations, to examine the precision surface irrigation paradigm within the water supply constraints imposed by the warabandi system of the Indus Basin Irrigation System. We conclude that laser grading within the IBIS is achievable at a modest cost and effort. Our findings suggest that the improved laser-graded profile persists for at least three crop seasons. Furrow irrigation can attain a high performance using either available canal or groundwater with low quarter distribution uniformity and low quarter application efficiency as performance indicators. Border irrigation can also attain a high performance provided irrigation is changed to fortnightly. Model predictions of advance curve and low quarter distribution uni...

What is a perspective? Perspectives are different frameworks from which to explore the knowledge around sustainable sanitation and water management. Perspectives are like filters: they compile and structure the information that relate to a given focus theme, region or context. This allows you to quickly navigate to the content of your particular interest while promoting the holistic understanding of sustainable sanitation and water management. Border irrigation is a type of surface irrigation where the field is divided into strips separated by border ridges running down the gradient of the field. The area between the ridges is flooded during irrigation. It can be viewed as an extension of basin irrigation to include long rectangular or contoured field shapes, longitudinal but no lateral slope, and free draining or blocked conditions at the lower end. In contrast to basin irrigation bunds are not to contain the water for ponding but to guide it as it flows down the field.

A volume-balance technique utilizing irrigation advance and recession functions, numerical integration, and an optimization procedure was developed to determine infiltration parameters. The procedure is simple yet rational and accounts for spatial variability of soil characteristics. The required data are flow rate, the coefficients and exponents of the advance and recession functions, and inflow shut-off time. In a field experiment on a clay loam soil (typical of southern Alberta) at the Lethbridge Research Centre, infiltration rates estimated by this technique were similar and in close agreement with those measured with a ring infiltrometer. Except for two border strips, there were no significant mean differences between simulated ( I s) and measured ( I m) infiltration rates. In the two non-conforming border strips, field measured infiltration rates were higher than those simulated with the volume balance approach, most likely due mainly to spatial variability of soil characteristics and partly to lateral flow which occasionally occurs when measuring infiltration with a ring infiltrometer. Citation Excerpt : This phase continues until no surface water remains on the field and the irrigation is complete. The time interval during which infiltration of water into the soil can occur is bounded by the advance and recession functions and is defined as the infiltration opportunity time (Holizapfel et al., 1984; DeTar, 1989; Foroud et al., 1996; Rodriguez, 2003). Water flow, so...