15 



The effect on the foliage of the first application should be carefully 

 noted, and if at all injurious the amount of copper carbonate, 

 should be lessened to H ounces. 



A REQUEST. 



All persons who are interested in, and take up any of these lines 

 of experiment are earnestly requested to forward me as soon as 

 practicable the results of their work, together with such notes 

 explanatory of the conditions aitecting the trials, as shall aid me in 

 forming correct conclusions in regard to the value of these lemedies. 



