Category: blog

Understand why water pH alone cannot explain greenhouse media pH drift. Compare alkalinity, hardness, crop duration and treatment evidence before making changes.

Compare greenhouse substrate EC results by extraction method, sampling conditions and crop stage. Find out when to repeat a test before changing fertilizer.

Calibrate greenhouse sensors by defining range, accuracy, reference, method, tolerance, as-found and as-left results, traceability, interval, and failure action. Also verify placement, shielding, sampling, wiring, scaling, controller mapping, alarms, and controlled outputs.

Specify greenhouse lighting uniformity by measurement plane, grid, operating state, metric, boundary, and tolerance. Model structure and screens, then commission PPFD at crop height and remeasure as crop height, dirt, dimming, or fixture output changes.

Inspect a greenhouse by tracing each load path from covering and equipment through framing, bracing, anchors, and foundations. Record movement, deformation, corrosion, loose connections, added loads, drainage defects, and clear thresholds for restricted use or engineering review.

Control greenhouse project documents through one register showing owner, reviewer, revision, status, purpose, due date, linked equipment, and final as-built requirement. Tie acceptance and payment to complete, usable records rather than an unindexed handover folder.

Size a greenhouse boiler from project-specific hourly heat loss, then verify distribution capacity, fuel and altitude derating, redundancy, and low-load turndown. Acceptance must prove crop-zone temperature at design conditions without unstable cycling in milder weather.

Design greenhouse reverse osmosis from representative feed-water analysis and an hourly water balance. Set recovery, pretreatment, membrane flux, concentrate disposal, blending, storage, cleaning, monitoring, and fallback supply together, not from nominal permeate flow.

Manage greenhouse pollination by separating flower quality, pollen viability, transfer, fertilization, and early fruit retention. Match the method to crop biology, climate, pesticides, and local rules; diagnose tagged fruit-set data before adding hives or labour.

Greenhouse irrigation pump redundancy should preserve critical flow and pressure after a credible failure. Define crop outage tolerance, duty points, shared failure modes, isolation, automatic changeover, power, storage, controls, alarms, testing, and repair time before choosing duty-standby or parallel pumps.