Ficus trees are a popular houseplant that can be found in many homes. But the attractive and easy to care for ficus trees still have the one frustrating habit of dropping leaves seemingly without reason.ungus â Ficus trees are also occasionally affected by fungus, which can make the tree drop its leaves. Often, a ficus tree with a fungus will have yellow or brown spots on the leaves. To correct treat this reason for ficus tree leaves falling off, use fungicide (like neem oil) on the tree.
James T. Russell invented the compact disc. Compact Discs. It was not until 1980 that the first CD player was made; by Russellâs own company. In 1985 the Philips and Sony Corporations decided to make CD players, although some minor changes were made to the original design to suit mass production.
SecurActive Performance Vision. CD-R (for compact disc, recordable) is a type of write once, read many (WORM) compact disc (CD) format that allows one-time recording on a disc. The CD-R (as well as the CD-RW) format was introduced by Philips and Sony in their 1988 specification document, the Orange Book.