Using remote sensing techniques of very high spatial resolution on phenological behaviour over crops in regulated deficit irrigation
Abstract
Research focused on a peach orchard where different irrigation treatments were applied, inducing different degree of water stress in the trees. This water status variability was measured at field level by the use of stem water potential at midday (Ψs), and from remote sensing by the estimation of two parameters related to the analysis of high-resolution near-infrared images (NIR and NDVI) with 25 cm of spatial resolution. Indexes obtained were sensitive to the level of phenological behaviour of variables taken in field crops, which showed significant correlation values with the values obtained using remote sensing techniques.
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