36 The Principles of Fruit-growiny. 
manufactured goods), and especially in improving the 
quality of the product and increasing the attractive- 
ness of the packing. 
It is a common practice to estimate the amount 
of fruit which will be produced at any given time in 
the future by multiplying the number of acres of 
plantation by the yield of a normal acre of that kind 
of fruit. The fallacy in these calculations lies in the 
fact that very many of the orchards which are 
planted in hope and expectation yield only bugs and 
fungi. It is probably not too much to say that fully 
half of the fruit plantations which have been set in 
the past fail to produce any crop for the market. 
There are numbers of people who devote their entire 
energies to copying their neighbors; but having no 
original grasp of the subject, they are likely to 
achieve only a haphazard success. 
