“With regard to the general mode of managing the farm, you shall always have one third part of the arable land under green crops and summer fallow, (the fallow uniformly getting four ploughings, and not
“That by the said lease, which expires at the term of Martinmas first, the said James Miller is taken bound, during the last three years of the lease, to have only the one-third part of the arable in crop or tillage, the other two-thirds in grass, which shall be cut only one year for hay, and pasture the other two ; and also to have always one-third part of the lands under green crops and summer fallow, the fallow uniformly getting four ploughings, and not less than twenty bolls of lime-shells laid on the acre.”