Doctor in hot water (8), 8 letters
Make arable, perhaps, 8 letters
Provide water to artificially, 8 letters
Supply water to artificially, as farmland, 8 letters
Worked on dry land, maybe, 9 letters
Piping in water to, 10 letters
Supplying dry land with water by means of ditches etc, 10 letters
Agriculture facilitator, 15 letters
Farm's water source, perhaps, 15 letters
Moistening devices, 10 letters
Dripping faucet, perhaps, 8 letters
Poison ivy sap, e.g., 8 letters
Princess's pea, e.g., 8 letters
The pea, to the princess, 8 letters
Something that causes irritation and annoyance, 8 letters
Smoke, dust, pollen, etc., 9 letters
When rattier, I may do this, 8 letters
Rubbed the wrong way, 9 letters
Thorn in one's side, 10 letters
A sudden outburst of anger, 10 letters
An uncomfortable feeling in some part of the body, 10 letters
The act of troubling or annoying someone, 10 letters
An advocate of irredentism, 11 letters
An irritable petulant feeling, 12 letters