Potato
Water below
59%
Healthy band 65% to 92%
Needs wateringJust watered
Researched Converted from published irrigation figures for this crop.
Most critical when the tubers are forming, just after flowering. Dry then wet encourages scab and hollow centres.
Most critical when the tubers are forming, just after flowering. Dry then wet encourages scab and hollow centres.
Setting the threshold
These figures are a tested starting point on a calibrated monitor. Watch one full wet to dry cycle in your own bed and adjust if the plant tells you otherwise. Soil type, container size and how much sun the spot gets all shift where the right number sits.