How choosing the right planting format can lower your operating costs Growers are faced with many different sizes of flats, packs and trays to choose from. Sizes range from a “slim” size with flats configured at a 7.25” by 20” size, to square sizes, such as the 17x17” size, with many, many sizes in between. It doesn’t help that the stated size of a configuration isn’t always the actual...