Field Experiments with Fertilizers. 



333 



nearly twice as much, and this in alternate pieces and with the saine 

 cultivation." 



From a letter of Mr. Chas. Vanderbilt, Alloway, N, Y., we quote, 

 " I am very glad that I undertook the fertilizer experiment work, as 

 it has helped me to know what our land needs, and my neighbors 

 are just beginning to think that one can tell what one needs by car- 

 rying on the experimental work. I think that acid phosphate, or 

 superphosphate, will show up better than anything else on our clay 

 land as the work shows so far ; and some of our neighbors are going 

 to try acid phosphate as an experiment on their wheat this fall 

 through me. * * * As 1 have got started in the experimental 

 work I shall never stop it. I shall keep on experimenting." 



Farmeps who have experimented.^ The following is a list of 

 the farmers to M'hom sets of fertilizers have been sent. Some have 

 received them but once, others twice, and still others three times. 

 The column headed " Years of experimentation " indicates the num- 

 ber of years that each farmer has experimented and how many suc- 

 cessive sets of fertilizers have been sent to him : 



