- 23 - Indus., Inc. v. Commissioner, supra, factors serve to verify and support this result. At the other end of the spectrum of assets used in petitioners’ grape-growing operation, a tractor would be an example of machinery and equipment that is not a permanent improvement to land so as to classify it within the 10-year class life for purposes of depreciation. The trellising and drip irrigation systems fall somewhere between permanent buildings and farm machinery, such as tractors, and in some ways are intended to have permanence and in other ways do not. The component parts of trellising and drip irrigation systems are personal property before they are configured and placed in or on the ground. By themselves, the posts, stakes, wire, pipe, and tubing are all personal property and could not be considered a “permanent land improvement”. It is the manner in which they are combined and/or affixed in the ground that changes their classification from personal to “real property”. There is no bright-line test by which such assets could be readily classified as always being permanent land improvements or farm machinery or equipment. For example, an above-ground irrigation system would more likely be classified as machinery or equipment, whereas one buried in the ground would more likely be classified as a permanent land improvement. In each instance of an asset that is not clearly in one category or another, we mustPage: Previous 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 NextLast modified: November 10, 2007