Display Techniques All firms contacted that sold hearts displayed them in horizontal rows in refrigerated racks. Most firms displayed whole celery stalks in a similar manner, but two placed them in an upright position in a series of vertical rows. There were three firms, one in each city, that usually display whole stalks on ice, at least in a sizeable number of stores. One firm which uses ice placed the stalks in an upright position as dis- cribed above and the two others placed stalks in horizontal rows on ice. Adequate sales data were not available to permit a thorough evaluation of the effectiveness of displaying celery on ice, but its use did not appear to increase celery sales appreciably. Only one firm, a small celery volume retailer, displayed Florida and California celery simultaneously. The Florida celery was typically sold for 10 cents per stalk less than California celery. On the average, firms in all cities were found to display from three-fourths of a crate to one crate of whole stalks per row and one carton of hearts per row. However, store managers try to adjust the quantity displayed to their anticipated daily sales volume to reduce shrinkage, poor product appearance, and subsequent reworking. The quantity of celery displayed is usually less during the low-volume, early portion of the week and greater for the higher-volume weekend period. Display Space In Philadelphia, most firms typically display two or three rows of whole stalks a- nne row of hearts. Rows are usually 36" long, *he