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VRDI - Variable Rate Drip Irrigation in Vineyards

Published online by Cambridge University Press:  01 June 2017

I. Nadav  and
A. Schweitzer
I. Nadav*
Affiliation:
Netafim, R&D Center, Derech Hashalom 10, Tel Aviv, Israel
A. Schweitzer
Affiliation:
Netafim, R&D Center, Derech Hashalom 10, Tel Aviv, Israel
*
†E-mail: Itamar.nadav@netafim.com
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Abstract

Vineyards worldwide are subjected to spatial variability, which can be exhibited in both low and high yield areas. We developed a variable rate drip irrigation (VRDI) concept to reduce such variability. The VRDI system divides the vineyard into 30×30-meter irrigation zones, enabling individual irrigation of each zone according to normalized difference vegetation index (NDVI) maps. The first VDRI system was installed in on a 1.2-hectare vineyard Syrah red grape in Israel. With the VRDI system, the yield, leaf area index (LAI), canopy size, water potential, and primary juice chemical analysis results were very uniformed in comparison to previous years without the system.

Keywords

NDVIdrip irrigationspatial variabilityyieldstem water potential
Type
Precision Irrigation
Information
Advances in Animal Biosciences , Volume 8 , Special Issue 2: Papers presented at the 11th European Conference on Precision Agriculture (ECPA 2017), John McIntyre Centre, Edinburgh, UK, July 16–20 2017 , July 2017 , pp. 569 - 573
Copyright
© The Animal Consortium 2017 

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