WHEAT 



49 



often be made of amounts smaller or larger by oO per cent. Ni- 

 trate of soda should he very uniformly sown, after all lumps 

 have been pulverized. Xo ooveriug is required, but when harrow- 

 ing can be done without serious injury- to the stand of plants, it 



Fig. 19. — .^HOf k- of "Whk.it fko.m IOju.il .\ri:.\s. 



On left, fertilizr-d "nith nitrate of .«oda ; on right, no nitrogen in the 

 fertLU2er. 



will often he helpful, both as a means of hastening the absorption 

 of the nitrate of soda and also for its effects as a cultivation. 



It should always be borne in mind that the application of \ery 

 large amounts of nitrogen in any form, e^"en in barn^■ard manure, 

 may cause the straw to grow so tall and weak that it may fall, 

 or lodge. The application of phosphate and kainit is believed 

 to have a tendency to strengthen the straw and to reduce the 

 danger of lodging. 



Formerly when cotton-seed was worth less than tweh-e 

 dollars per ton, it was largely used as a fertilizer for ^vheat. 

 Cotton-seed «'as plowed in when the wheat was sown, and 

 its use, especially when combined -ndth acid phosphate, 

 was effective. Cotton-seed is now in most localities too 



