We often use one noun to modify another, especially in the absence of an appropriate adjective form. But overuse of nouns to modify other nouns can lead to awkward or confusing constructions, so keep two principles in mind. First, whenever possible, use a possessive or an adjective as a modifier. Second, use only short nouns as modifiers and use them only in sequences of no more than two or three words. Foliar injury increases with simulated acid rainfall application duration.
Foliar injury increases with the length of time that simulated acid rainfall is applied.
Confused Phrasing and Word Choice Say exactly what you mean. Read what you have written and, if appropriate, ask someone else to read it to ensure that your writing is correct and clear. Reasons for the decline may be due to the loss of habitat space. The following pairs of words are often confused by students. Here, the examples demonstrate correct usage of the words.