I VNn 



These experiments were made with corn, which grows for ^^^'^^ ^^^ 



a long period when the ground is warm and the conditions ^°*^ 



most favorable to render the Nitrogen in organic substances ^7 

 available and yet only part of it could be used by the crop. 



When it is considered that Nitrogen in the form of 

 Nitrate of Soda can be bought for less per pound than in 

 almost any other form, the advantage and economy of pur- 

 chasing and using this form is very apparent. 



It is always more economical to buy the 



,-n- r ■^■ • ^ • 1 J " i^u What Fertilizers 



difterent fertilizing materials and mix them 



at home than to purchase "complete" ferti- ^' 



lizers as they are often called. Some do not wish to take pains 

 to get good materials and mix them, and prefer to purchase 

 the "complete" fertilizers. If this be done, j-/5ff/<7/ attention 

 should be given to ascertaming in zvhat form the Nitrogen 

 or '■'■ammonia' exists. Many of the manufacturers do not 

 tell this, but the Experiment Stations analyze all the fertiliz- 

 ers sold in their respective States and publish the results in 

 Inilletins, which are sent free to any one asking for them. 

 Ihese analyses should show in what form the Nitrogen is. 

 The ^^ complete fertilizers" that contain the most Nitroge?? 

 or ^'ammonia'' in the form of Nitrate are the ones to use, and 

 tl.>e ones which do not contain Nitrate or which do not give 

 information of this vital point should not he purchased. If 

 yon have on hand a "complete fertilizer" containing a small 

 percentage of Nitrogen or ammonia, and only in organic 

 form, such as cotton-seed, "tankage," etc., it will be of great 

 advantage to use lOO pounds per acre of Nitrate of Soda in 

 addition to this fertilizer. This is often an economical and 

 convenient method of buying fertilizers. 



The Alabama Agricultural Experiment Fertilizing 



Station at Auburn, Alabama, has made Cotton, 



some interesting experiments in fertilizing 

 C\)tton. Experiments were conducted in many different 

 parts of the State and on various kinds of soil. 



It was noticed that in nearly every case 96 pounds 

 Nitrate of Soda, w^hen used with acid phosphate, gave a 

 better yield than 240 pounds cotton-seed meal when used 

 with the same quantity of acid phosphate. The 240 pounds 

 of cotton-seed meal contained more Nitrogen than 96 pounds 

 of. Nitrate, and cost more than the Nitrate, yet did not give, 

 as a rule, as good results. As a rule, potash did not pay. 



