This is because experts develop these keys for use by other experts. However, simple keys are usually available for common pests. A dichotomous key consists of a series of sequentially paired statements. To use a key, begin by selecting the anbsp;...
|Title||:||The Safe and Effective Use of Pesticides|
|Author||:||Patrick J. Marer|
|Publisher||:||UCANR Publications - 2000|