St. Paul-Land O’Lakes Inc. net earnings were $55 million on sales of $2.2 billion for the first quarter ending March 31, 2007, up from the year-ago $26.1 million and $2 billion, respectively. LOL’s agronomy sector reported $2.1 million in pretax earnings versus a year-ago loss of $6.4 million. LOL participates in agronomy via its 50 percent stake in Agriliance LLC. It said a better reflection of the agronomy performance would come later in the busy spring season.