SACE Stage 2 Agricultural Systems Practice Questions - SACE Stage 2 Agricultural Systems External Assessment Exam

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An automated IoT capacitance probe system installed in a vineyard measures continuous soil moisture at 20cm, 40cm, and 60cm depths. What data pattern indicates that irrigation water is leaching beyond the active root zone?

A rapid rise in soil moisture at the 20cm sensor only A steady decline in soil moisture at all three depths during peak daylight hours A sharp, immediate increase in soil moisture at the 60cm sensor following an irrigation event Zero change in soil moisture readings across all sensors over a 48-hour period

Correct Answer:

A sharp, immediate increase in soil moisture at the 60cm sensor following an irrigation event

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