noun
Refers to the act of giving water to plants, typically in gardening or farming contexts.
朝の水やりを忘れないでください。
Please don't forget to water the plants in the morning.
この花は水やりが少なくても育つ。
This flower grows even with little watering.
The verb phrase meaning 'to water (plants)'; 水やり is the noun form.
Compound of 水 (water) and the noun form of やる (to give, to do), literally 'water-giving'.