Bnchmrkng Adv Irrigation Schdlng for Peanuts in AL, FL and GA while evaluating plating date and irrigation impacts on new peanut cultivars, yield, grade, aflatoxin, and water requirements and use of drone technology for management decisions


University of Georgia

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Southeast (GA, FL, AL)

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Final Report

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Irrigation management is becoming increasingly important for peanut production with more than 50% of the peanut acreage in Georgia and Florida now irrigated. In Alabama, the irrigated acreage is smaller but increasing rapidly as 
the state is providing incentives for producers to adopt irrigation. With the resulting increase in demand for water resources, 
it is imperative that we develop and adopt technologies and strategies which maximize water use efficiency. Technology is changing at a rapid pace and needs to be adopted by agricultural production. Recent research in peanut growing states indicates that several "advanced" irrigation scheduling methods including soil moisture sensing or canopy temperature sensing can be an effective and efficient way to irrigate peanuts. The development of a crop water stress index (CWSI) for peanuts by Porter et al. (2015) has provided the beginning basis to use thermal sensors to determine irrigation thresholds for peanuts. In addition, there are web-based tools that use estimated crop evapotranspiration to schedule irrigation. Precision irrigation is a tool that can be used to implement all of these practices and is defined as varying the application rate of irrigation water across the field to meet the crop's measured demand or to manipulate physiology to improve crop water­
use efficiency. Precision irrigation is made possible by two key technologies. 

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