Question

question 4
phyllis has an organic apple orchard. the round - headed apple tree borer can kill a tree, and most farmers spray a pesticide to kill borers. however, phyllis uses neem oil, an oil from the seeds of an indian evergreen tree, to interrupt the insects life cycle.
of the other practices she employs, choose the one that is not an environmentally friendly form of pest control.
she uses fungi - rich mulch and herbal sprays to boost the trees immune systems.
she keeps chickens in the apple orchard to control insects.
she treats larvae deep in the wood of a tree with a chemical repellent.
she plants herbs to attract native bees to pollinate the apple blossoms.

Explanation:

Fungi - rich mulch and herbal sprays are natural, chickens are a biological control, and attracting bees is beneficial for the ecosystem. Using a chemical repellent can have negative environmental impacts like harming non - target organisms and polluting soil and water.

Answer:

She treats larvae deep in the wood of a tree with a chemical repellent.