As to Occupation and Improvements.

28. Each lessee shall, within two years from the date of his lease, bring into cultivation not less than one-tenth of the land leased by him; within four years from the said date, not less than one-fifth of the said land; and within six years from the date of his lease, in addition to the cultivation of one-fifth of the land, shall place on such land substantial improvements of a permanent character to the value of one pound for every acre.

29. Each lessee of suburban land shall, within one year from the date of his lease, fence in all the open land leased by him.

30. Improvements to be suitable to, and consistent with the extent and character of, the holdings; and none shall be allowed for in any valuation in excess of five pounds for every acre of rural land, or ten pounds for every acre of suburban land.