You describe a major problem in the pecan industry—predation by birds. A major legal concern for management efforts is the federal Migratory Bird Treaty Act of 1918 that protects most bird species, including crows. There are similar state laws that …
How can I protect my apple trees from vole feeding damage?
The best method for the control of voles is to use 1/4-inch hardware cloth or plastic cylinders to protect individual trees and shrubs by wrapping the base of the trunk up to about 18 inches high. The cylinder should be …