Aphids in a greenhouse: identification and integrated control
Identify aphids early, map hotspots and combine sanitation, biological control and locally approved treatments in a practical IPM plan.
Gros.farm Blog
Crop production in practice. Ideas farm teams can use.
Growing methods, equipment, production management and lessons from farms — with facts and practical conclusions.
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Ten common greenhouse tomato problems and how to diagnose them
A symptom-first guide to ten common greenhouse tomato problems, from leaf curl and blossom-end rot to leaf mold and uneven ripening.
How to prepare a hydroponic nutrient solution safely
A practical workflow for water analysis, fertilizer calculation, stock concentrates, mixing order, EC and pH checks.
EC of a nutrient solution: how to measure and interpret it
Understand what EC can and cannot tell you, how to measure it correctly and how to use feed-and-drain trends in hydroponics.
Yellow cucumber leaves in a greenhouse: diagnose by symptom location
Diagnose yellow cucumber leaves by plant position, pattern and speed of spread before changing fertilizer or applying crop protection.
How to lower soil pH safely in a greenhouse
A step-by-step approach to lowering high soil pH using testing, alkalinity data and gradual amendments instead of guesswork.
Medicinal plants in a greenhouse: how to choose a viable crop
A practical way to choose medicinal plants for protected cultivation without relying on outdated prices or unrealistic profit claims.
Leaf mottling in a greenhouse: a practical diagnostic guide
Learn how to distinguish nutrient imbalance, root stress, mites and disease when greenhouse leaves develop a mottled pattern.