Vineyard Management Blog

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Beautiful vineyard with ripe blue grapes hanging from vines, perfect for wine production.

PHI in Vineyard Spraying: A Critical Guide for Managers

Understanding and adhering to Preharvest Intervals (PHI) is critical for vineyard managers to avoid costly harvest rejections and maintain compliance. This guide defines PHI, explains how to interpret pesticide labels, and provides a step-by-step protocol for robust PHI management.

January 6, 2026

5 min read

#PHI#preharvest interval#vineyard spraying

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