Solved: Aphid infestation of fruit trees can be controlled either byspraying with
Chapter 7, Problem 53(choose chapter or problem)
Aphid infestation of fruit trees can be controlled either byspraying with pesticide or by inundation with ladybugs. In aparticular area, four different groves of fruit trees are selectedfor experimentation. The first three groves are sprayed withpesticides 1, 2, and 3, respectively, and the fourth is treatedwith ladybugs, with the following results on yield:ni NumberTreatment of Trees (Bushels/Tree) si1 100 10.5 1.52 90 10.0 1.33 100 10.1 1.84 120 10.7 1.6
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