Radhanath Swami Speaks about King Prthu from SB 1.3.14
O brahmanas, in the ninth incarnation, the Lord, prayed for by sages, accepted the body of a king [Prthu] who cultivated the land to yield various produces, and for that reason the earth was beautiful and attractive.
rishibhir yachito bheje navabam parthivam vapuh
dugdhemam oshadhir viprah tena ayam sa ushattamah
