Scotsman

[vintner]

Of cultivation of trees  in a bower that's not a posh, refined I included. ( 14 ) 

  _ _ _ O _  O _ U_ T _ R _ L

Wrong agent getting part of servicemans pay. ( 1-6 )

  _ _ A _ T _ _

[kev100]

arboricultural

[Quizmonster]

X-factor. 'X' symbolises an error (ie 'wrong') and a 'factor' is an 'agent', as in someone who runs an estate. The x-factor is the element of a serviceman's pay which is intended to compensate him for the disruptions of service life.