Using crop reflectance to determine sidedress N rate in potato saves N and maintains yield (original) (raw)

European Journal of Agronomy, 2012

Abstract

A low basal N application combined with in-season adjustment of the sidedressNrate has been proposed as a means to saveN in growing potato (Solanum tuberosum L.). We hypothesize that a measurement of canopy reflectance provides information which can be used to adjust sidedressNrate. The objective of our work was to develop and test a canopy reflectance-based Nsidedress system for potato

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