Definition of "soyl"

But if that countrey of Ireland, whence you lately came, he of so goodly and commodious a soyl

1596 (date written; published 1633), Edmund Spenser, A Vewe of the Present State of Irelande […], Dublin: […] Societie of Stationers, […]; republished as A View of the State of Ireland […] (Ancient Irish Histories), Dublin: […] Society of Stationers, […] Hibernia Press, […] [b]y John Morrison, 1809,

the manurement of Wits is like that of Soyls, where before either the pains of Tilling, or the charge of Sowing, Men uſe to consider what the mould will bear, Heath or Grain.

1651, Henry Wotton, A Philosophical Survey of Education