Commercial Fertilizer
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This publication gives a procedure to calculate the value of broiler litter based on prevailing retail selling prices of commercial fertilizers containing nitrogen, phosphorus and potassium.
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Many farmers and gardeners use natural minerals and organic fertilizers rather than synthetic ones to build their soil. If you use organic materials as all or part of your fertilization program, this publication will help you calculate the proper amount to use from the recommendations provided by a soil test.
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This publication provides information on (1) the nutrient content of manures available for land application, (2) how to determine manure application rates and whether supplemental fertilizer will be needed for maximum crop production and (3) how to use management techniques to maximize the fertilization potential of farm manures.
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This publication primarily focuses on rear discharge, twin spinner spreaders common for poultry litter application in the southeast.
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Applicators used in granular applications should be calibrated to ensure uniformity and accuracy. An accurate and uniform application can reduce the quantity of an active ingredient required for a given degree of control.
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This publication discusses the proper calibration methods sprayers and other liquid applicators.
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Fertilization is an important practice of maintaining plant health. The blueberry plant is no exception, but there are important considerations when fertilizing blueberries. The rates, timing, and type of fertilizer should be common knowledge for the grower. In this circular, how to fertilize blueberry plants is described with text, diagrams, and calculations to provide growers, Extension agents, and anyone interested with the knowledge to successfully grow blueberries, from newly established to mature plantings. This publication was written to address commercial growers’ need for a reference to avoid costly mistakes such as over-fertilization, discussing both granular and liquid fertilization.
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Excessive fertilization does not equate to greater crop yields. Crop yields are optimized when nutrients are efficiently used, which requires fertilizer applications to be based on the right source, the right time, the right rate, and the right placement. These are referred as the four Rs of fertilizer management, whose purpose is to supply plants’ nutrient requirements, reduce production costs, and mitigate environmental impact.
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Poultry litter is widely used on pastures and hayfields in Georgia. There are many benefits when it is used wisely. Producers should use nutrient management planning and recommended rates to ensure poultry litter is used in ways that maximize its benefits without harming the environment.
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