Influence of time of day on measurement with chlorophyll meters and canopy reflectance sensors of different crop N status
Abstract
Optical sensors are a promising approach for assessing nitrogen (N) status of vegetable crops. However, their potential may be undermined if time of day influences measurements. This study evaluated the effects of time of day and N addition on measurements, made with two chlorophyll meters, SPAD-502 and MC-100, and two active canopy reflectance sensors, GreenSeeker handheld and Crop Circle ACS-470. Three treatments (N1, deficient, N2,...
Paper Details
Title
Influence of time of day on measurement with chlorophyll meters and canopy reflectance sensors of different crop N status
Published Date
Feb 23, 2019
Journal
Volume
20
Issue
6
Pages
1087 - 1106
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Notes
History