(1) For the purposes of this Act, the term Definition “ imp rov ement” used with reference to a holding , o f“ improveshall mean any work which adds to the value of the m e n t”- hold ing, which is suit able to the holding and con sistent with the purp ose for which it was le t, and whi ch, if not executed on the hold ing, is eith er executed directly for its benefit, or is, aft er the execution, made directly beneficial to it.
(2) Unt il the con trary is shown, the following shall be presumed to be imp rovements within the meaning of this section :—
(a) Th e constructio n of wells, tanks, water channels or oth er works for the storage , supply or dis tribu tion of wa ter for the purpose of agr icu lture or for dr ink ing or for the use o f men and cat tle employed in agr icu ltur e.
Explanation.—Such construction on agricultural land shall not be deemed to impa ir the value of the land or to render it unfit for the purposes ol tenancy.
(Z>) The drain age, rec lam ati on from rive rs or other waters or pro tec tion from floods, or from erosion or o the r damage by water , of land used for agr icu tural purposes or waste land which is cul tu rable.
(c) The erectio n of a dwelling house for the ten an t and his family together with all necessary ou t offices.
(3) But no work executed by the tena nt of a hold ing shall be deem ed to be an imp rov ement for the purposes of th is Act if it substan tial ly diminishes the value of his lan dlo rd’s pr ope rty ,