Notes on running a polyhouse with precision.https://harventis.com/https://harventis.com/blog/attendance-register-margin-leak/https://harventis.com/blog/attendance-register-margin-leak/Wages are the largest controllable cost in a polyhouse. Half days, overtime and advances recorded from memory quietly cost more than a bad spray. Here is how we fixed ours.Tue, 06 Oct 2026 00:00:00 GMThttps://harventis.com/blog/spray-log-workers-actually-fill/https://harventis.com/blog/spray-log-workers-actually-fill/Most spray records are written up afterwards, from memory, by the wrong person. The log only becomes useful when the person holding the sprayer is the one filling it — and that takes design, not discipline.Tue, 06 Oct 2026 00:00:00 GMThttps://harventis.com/blog/track-harvest-by-bed/https://harventis.com/blog/track-harvest-by-bed/A daily total tells you how the farm did. A bed-wise total tells you what to do tomorrow. How bed-level harvest records changed the decisions we make at Elite Harvest.Tue, 06 Oct 2026 00:00:00 GMT