This document discusses factors to consider when selecting an ideal site for planting corn. It outlines various soil characteristics that are favorable for growing corn, including well-drained, deep soil that is medium in texture with a pH of 5.3 to 6.0 and high moisture retention. It also notes that corn grows best with an even seasonal distribution of rainfall. Climate requirements include temperatures between 20 to 30 degrees Celsius and humidity between 60 to 80%. The document also provides background on corn as a major crop in the Ilocos region used for animal feed and processing into foods.