MISCELLANEOUS CROPS 229 



square rod. When part of the nitrogen is in the form 

 of nitrates and part as ammonium salts, better results 

 are secured than when the nitrogen is all in one form. 

 It is also advisable to supply the phosphoric acid in 

 more than one form. An even application of fertili- 

 zer to a lawn is quite necessary, otherwise the growth 

 is " patchy." Hard wood ashes evenly spread at the 

 rate of i to 2 pounds per square rod can also be used 

 advantageously as a lawn fertilizer, and when used, 

 they should be reinforced with nitrate of soda. 



