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We read every message. We usually reply within a few days, but we cannot promise a set response time.

Helpful details to include

Timing questions: your state, grass type and the soil temperature you measured (with depth and time of day).
Corrections: the page address, what you think is wrong, and a source if you have one.
Tool suggestions: what you were trying to work out and what the tool should ask for.

We cannot give individual professional advice. Please do not send passwords, payment details or other sensitive personal information.