Commercial Fertilizer Resources
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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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This publication discusses the proper calibration methods sprayers and other liquid applicators.
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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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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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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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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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This publication covers a procedure for applying wood ash as a lime substitute on agricultural lands. This method can be used by manufacturers and dealers who wish to supply wood ash or by landowners who wish to receive wood ash. If the practices in this publication are followed, there should be no adverse environmental effects or regulatory consequence from the land application of wood ash.
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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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