94 AGRICULTURE. 



The following estimate * may be helpful, but 

 practical experience is the only safe guide as to 

 which plant-food and how much is needed : 

 Nitrate of soda, 6 to lo ounces, in 50 gallons of 

 water to 100 square feet;! sulphate, or muriate, 

 of potash, 8 to 12 ounces in 50 gallons of water 

 to 100 square feet, or wood ashes, 5 pounds to 

 100 square feet; calcium superphosphate, i 

 pound in 50 gallons of water to 100 square 

 feet. Whichever fertilizer is needed should be 

 used every ten days, or two weeks, in watering 

 the plants. 



For mixed, or so-called "complete fertilizer/' 

 Voorhees || recommends one-fourth pound of 

 nitrate of soda, one pound acid phosphate, and 

 one-half pound of muriate of potash for 100 

 square feet. But some think this a little too 

 much. ( See also " Plant Improvement.") 



The kind of fertilizer, as to its slow or rapid 

 availability, to be used depends upon whether 

 the object desired is to slightly enrich the soil 

 for a period of years or to increase the yield of 

 the immediate crop. 



The time of application would depend upon 

 the kind of fertilizer and the object of its use. 



* This estimate was given for roses in the Year-lwol:, 1902, and 

 is meant only as an example. 



f " After the second or third application, a dressing of lime — 

 5 lbs. to 100 square feet^may follow." — Year-book, 1902, p. 557. 



\Fertilizers, by Voorhees, p. 327. 



