Show many varieties of tree fruits must have bees bees may not have grown bigger and better but they have been given another task to perform in orchards and small fruit plantations according to statements made by specialists in agriculture at michigan state college studies made during the post past few years have proved that many varieties of tree fruits will not produce n profitable crop unless insects have free access to the trees at blossoming bloss oming time and in many cases there are not enough insects under natural conditions to insure a full set of fruit tests made at the 31 S 0 south haven station show that a larger crop of bf raspberries rasp berries was secured from plants to which insects had access than from plants over which cages were placed to exclude insects |