THE MONTHLY BULLETIN. 



311 



thorough. The absence of an agitatt)r is a great handicap to any hand 

 machine. 



For orchards of from ten to twenty acres small power pumps are 

 adequate but even in such orchards a good power machine will pay for 

 itself in a very short time. High pressure and thorough agitation, the 

 great essentials in spraying work, can only be had with a good power 

 machine. Such a machine is shown in Fig. 302 and is able to supply 

 two or four leads of hose with an adequate pressure. Orchardists own- 



FiQ. 3C0.— The oidinarv hand, foot and bucket spray pump at left and a 

 knapsack lump at the light. The pikes of such pumps range from $2.00 

 to $10.00. (Cal. Hoit. Com.) 



ing only small orchards are clubbing together and buying a power 

 sprayer for several orchards and find this a convenient way of getting 

 first class work done cheaply. 



For truck crops an entirely different machine has been devised. 

 Some growers have mounted the ordinary power pumps upon a satis- 

 factory wagon and have made attachments for spraying rows. A geared 

 sprayer such as shown in Fig. 303 is certainly a most commendable 

 machine, making it possible to spray rapidly, thoroughly and with little 

 cost of operation. Such a pump is recommended for spraying potatoes, 

 tomatoes, corn, peas or any ether crops sown in rows or broadcast. 



