Operations3 released

Operations

One page per operation: depth, spacing, timing window, calibration.

Annual nitrogen budget15 g·m⁻²

Irrigation per week20 mm

recomputed on these two numbers · species profiles inside ±15%: 5/6 · operation cards touched: 3/3

Kentucky bluegrass, Turf-type tall fescue, Hybrid bermudagrass (Tifway 419), Perennial ryegrass, Zoysiagrass (Empire)

Mowing to a set height, Hollow-tine core aeration, Nitrogen programme with split applications

bench heat, dim to bright: 0 / 1 / 3 / 2 / 0

2026-09-23

Nitrogen: split ratios, single-application caps and the soil temperature trigger

Nitrogen is the only nutrient you will apply every year, and the only one where the timing matters as much as the total. The method is an annual budget per species, a split ratio that puts the weight…

fertilizing

2026-09-09

Hollow-tine aeration: depth, spacing and the two-pass method

Core aeration removes a plug of soil and thatch, and that removal is the whole point. Depth 75 to 100 mm, spacing 50 to 100 mm, two passes at right angles. Doing it at the wrong soil moisture wastes…

aeration

2026-08-31

Mowing: setting the height and holding the one-third rule

Cutting height is the single parameter that decides which species can live in your lawn. Set it wrong and no fertiliser programme or irrigation schedule will compensate. The method is a fixed target…

mowing