Nothing in this Chapter shall-entitle a tenant or a landholder to make an improvement on, or detrimental to, any land, not included in the holding to be benefited by such improvement, unless he is in possession of such land as owner, or has obtained the written consent of the landlord and of the tenant, if any, of such land.

Nothing in this Chapter shall-entitle a tenant or a landholder to make an improvement on, or detrimental to, any land, not included in the holding to be benefited by such improvement, unless he is in possession of such land as owner, or has obtained the written consent of the landlord and of the tenant, if any, of such land.