An organ pipe is a sound-producing element of the pipe organ that resonates at a specific pitch when pressurized air (commonly referred to as wind) is driven through it. Each pipe is tuned to a specific note of the musical scale. A set of organ pipes of similar timbre tuned to a scale is known as a rank or a stop.
1 In general, cotton grows quicker as the average temperature rises and the longer and hotter the season, the greater the yield. 2  The growing season from planting to picking lasts approximately six months, as outlined below.
The warmest parts of the state, with the longest growing season, are the Gulf Coastal Plain, the Central Basin, and the Sequatchie Valley. In the Memphis area in the southwest, the average date of the last killing frost is 20 March, and the growing season is about 235 days. Memphis has an annual mean temperature of 62Â°F (17Â°C), 40Â°F (4Â°C) in January, and 83Â°F (28Â°C) in July. In the Nashville area, the growing season lasts about 225 days.