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Journal
Practical agronomy and engineering notes from the Terra-Zenith team — Moscow · İzmir. Field-tested, number-led, written per season.
Winter wheat on chernozem
How subsurface drip moves winter-wheat yield from 4–5 t/ha to 7–8 t/ha on the chernozem of Krasnodar and Stavropol — and why "grain has enough rain" no longer holds in a drying decade.
Peak-summer management
July and August are the peak drought load for southern Russia. Seven practical irrigation rules for sunflower, corn and vineyards in the +28 °C to +35 °C window — drawn from Geoflow Türkiye agronomy and Russian pilot projects 2026.
Audit your regime
Describe your project and current irrigation schedule — we audit and propose an optimised regime within 48 hours.