"Rogation" comes from the Latin "rogare," which means "to ask." The Sixth Sunday of Easter and the following three days leading up to the Solemnity of the Ascension are days during which we beg God's mercy for the avoidance of natural disasters, and it is a time to ask for His blessings, particularly with regard to farming, gardening, and all things related to agriculture.
Assist us mercifully, O Lord, in these our supplications and prayers: and dispose the way of thy servants towards the attainment of everlasting salvation; that, among all the changes and chances of this mortal life, they may ever be defended by thy most gracious and ready help; through Jesus Christ thy Son our Lord, who liveth and reigneth with thee, in the unity of the Holy Spirit, ever one God, world without end. Amen.
Almighty God, Lord of heaven and earth: we humbly pray that thy gracious providence may give and preserve to our use the harvests of the land and of the seas, and may prosper all who labour to gather them; that we, who constantly receive good things from thy hand, may always give thee thanks; through Jesus Christ our Lord, who liveth and reigneth with thee in the unity of the Holy Spirit, ever one God, world without end. Amen.
O Almighty God who hast created the earth for man, and man for thy glory: mercifully hear the supplications of thy people, and be mindful of thy covenant; that both the earth may yield her increase, and the good seed of thy word may bring forth abundantly, to the glory of thy holy Name; through Jesus Christ thy Son our Lord, who liveth and reigneth with thee, in the unity of the Holy Spirit, ever one God, world without end. Amen.