In this Chapter—

• “agricultural buildings” has the meaning provided by section 26(4) of the [1967 c. 9.] General Rate Act 1967 as amended by the [1971 c. 39.] Rating Act 1971;

• “agricultural land” means—

  1. a

     land used as arable, meadow or pasture ground only;

  2. b

     land used for a plantation or a wood or for the growth of saleable underwood; and

  3. c

     land exceeding one tenth of a hectare used for the purpose of poultry farming, market gardens, nursery grounds, orchards or allotments, including allotment gardens within the meaning of the [1922 c. 51.] Allotments Act 1922,

  but does not include land occupied together with a house as a park, gardens (other than as aforesaid) or pleasure grounds, land kept or preserved mainly or exclusively for purposes of sport or recreation or land used as a racecourse;

• “chargeable land” means the agricultural land and agricultural buildings in so much of the area of a regional flood defence committee as does not fall within an internal drainage district, excluding rough grazing land and woodlands other than commercial woodlands;

• “commercial woodlands” means woodlands managed on a commercial basis with a view to the realisation of profits;

• “drainage” has the same meaning as in Part IV above;

• “drainage charge” means general drainage charge or special drainage charge;

• “rough grazing land” means land of either of the following descriptions, that is to say—

  1. a

     land used as pasture ground on which the vegetation consists solely or mainly of one or more of the following, that is to say, bracken, gorse, heather, rushes and sedge; and

  2. b

     land so used which is unsuitable for mowing by machine and on which the vegetation consists solely or mainly of grass of poor feeding value; and

• “spray irrigation” has the same meaning as in Chapter II of Part II of this Act.