Irrigation Resources
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B 1277
Water Quality Assessment
The Greenhouse*A*Syst series of publications is a confidential self-assessment program you can use to evaluate your greenhouse business for risks associated with water management issues. Armed with facts and figures, you will then be able to reevaluate your management strategies and determine ways to conserve water and minimize those risks. By following the guidelines, you will be able to establish a formal companywide water conservation plan. Implementation of this plan will facilitate more efficient use of resources and impart significant savings in water use, fertilizer and pesticides. This publication will help you determine your water quality and help you develop a management plan to monitor your water quality.
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This bulletin contains guidelines to determine irrigation scheduling for vegetable production in Georgia. Irrigation scheduling varies with water management and growers may require different technologies to properly manage water application. This information is supplied to help irrigation managers schedule and operate irrigation systems to optimal capacity, applying water precisely to the crop for maximum effectiveness and high efficiency.
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The majority of agricultural irrigation systems in Georgia fit into one of two broad categories: sprinkler irrigation and micro-irrigation. Sprinkler irrigation systems include center pivot, linear move, traveling gun, permanent set and solid set. Micro-irrigation systems include drip (or trickle) irrigation and micro-sprinklers.
No one system is best for every application. Once you decide to install an irrigation system, you must consider several important factors before deciding which system is best for your situation. This publication is intended primarily for the farmer who has made the decision to irrigate and is in the process of deciding what type system will best fit into his or her operation.
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These irrigation budgets, developed by University of Georgia Cooperative Extension, are estimates of the irrigation costs of a center pivot irrigation system located in southeast Georgia. Our intention is to provide flexible, user-friendly irrigation budgets with default values. That being said, the variation among different farm conditions can impact investment costs and annual costs associated with irrigation; users are suggested to modify these default values and customize their budgets according to their specific field conditions. Please consult your irrigation providers for properly designed center pivot systems that match well production to achieve your irrigation goals. This should serve as a generalized user guide for irrigation budgets and provide guidance for adjusting the default values in the budgets.
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A farm’s return on investment is directly affected by the way water is applied to its crops. The wrong end-gun settings can result in overwatering or underwatering large portions of field acres. Clogged or partially clogged nozzles lead to obvious water shortages that can be visually observed or measured using yield monitors. Systems not properly checked and maintained can lead to significant losses in potential income. This irrigation reference guide will contain information provided by UGA Extension recommended irrigation scheduling rates for corn, cotton, peanuts and soybeans. The guide will also recognize specific center pivot application issues and how to correct them.
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Drip, trickle, microemitters, and subsurface irrigation systems are considered low-volume irrigation. Low-volume irrigation systems are designed to improve irrigation efficiency, delivering water to the crop accurately with minimal water loss. Irrigation efficiency can be categorized into two main concepts: water loss and uniform application. If water loss is significant, or application uniformity is poor, efficiency will be low. Generally, the most significant loss of irrigation water is from overwatering, where the water percolates below the root zone, or from runoff. With good management, losses due to leaks, system drainage, and flushing of filters and lateral lines should not exceed 1%. Low-volume systems have the opportunity to achieve efficiency, and under careful management, will minimize losses from overirrigation. However, using low-volume systems requires increased irrigation frequency and soil moisture monitoring should be used to improve water-use efficiency. This publication covers system design, system efficiencies, components, chemical applications, diseases related to irrigation, and soil moisture monitoring.
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In order to maintain a lush, green lawn and productive garden, supplemental water in the form of irrigation is often needed during peak water use periods. Two basic types of irrigation are suitable for the home landscape: sprinkler irrigation and drip (or trickle) irrigation. This publication contains comprehensive information about irrigating lawns and gardens.
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This publication outlines the sampling procedure for irrigation water to be used in blueberry production. Follow the outlined steps to provide a certified lab with a sample that is representative of the irrigation water to be used for growing blueberry plants.
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This publication addresses winterization of a drip irrigation system. The circular includes information about winterization timing, components of a drip system, precautions to take when servicing a drip system, and a quick reference run-down to the winterization process.
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