Precision variable rate nitrogen for dryland farming on waterlogging Riverine Plains of Southeast Australia?

Thomas L. Nordblom, Timothy R. Hutchings, Sosheel S. Godfrey and Cassandra R. Schefe

Agricultural Systems, 2021, vol. 186, issue C

Abstract: Precision agriculture, using satellite navigation, has grown in popularity around the world. Because of its practical uses for land preparation, sowing, nutrient applications, pest (weed, pathogen, invertebrate) management, stress sensing and harvest recording, many major equipment manufacturers include precision variable rate capability as standard fittings. GIS (Geographic Information System) maps may include georeferenced soil chemistry information and detailed historical harvest yield data. We integrate such data to examine Precision Variable Rate Nitrogen (PVRN) applications with whole-farm management information and rainfall records in a district where waterlogging frequently reduces crop yields.

Keywords: Precision agriculture; Variable rate; Growing season rainfall; Waterlogging; Financial modelling; Decadal risk profiles (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:eee:agisys:v:186:y:2021:i:c:s0308521x20308234

DOI: 10.1016/j.agsy.2020.102962

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