MAINE AGRICULTURAL EXPERIMENT STATION I9II 27I 



one year old French Crab seedlings for budding or grafting, and about 

 one thousand grafts of Tolman Sweet cions root grafted on French 

 Crab, for experimental work. 



Orchard Spravixg Experiment. 



This is a continuation of last year's work, modified 'by the results 

 obtained, and is a test of the home made concentrated lime-sulphur spray 

 as a fungicide used at diflferent strengths, with arsenate of lead as the 

 insecticide. Tests of arsenate of lead as a fungicide are also included. 

 One plot of trees is treated with Bordeaux mixture for comparison. 

 No trees have this year been left unsprayed for insects, as the desir- 

 ability of spraying has been fully established. 



There are 25 rows in the experiment. The first six trees in each row 

 are treated as follows : 



Rows I to 3, inclusive, arsenate of lead at the rate of 4 pounds to 

 50 gallons of water. 



Rows 4 to 9, inclusive, home made concentrated lime-sulphur solu- 

 tion, used one-fifth stronger than the strength recommended by the 

 latest dilution tables, with 2 pounds arsenate of lead to 50 gallons of 

 water. 



Rows 10 to 15, inclusive, the same lime-sulphur solution used at the 

 dilution recommended, according to its density, plus 2 pounds arsenate 

 of lead to 50 gallons of water. 



Rows 16 to 21, inclusive, the same lime-sulphur solution used at a 

 dilution one-fourth weaker than the strength recommended by the latest 

 dilution tables, plus 2 pounds arsenate of lead to 50 gallons of water. 



Rows 22 and 23, arsenate of lead, at the rate of 2 pounds to 50 gal- 

 lons of water. 



Rows 24 and 25, Bordeaux mixture of the 3-3-50 formula, plus 2 

 pounds arsenate of lead to 50 gallons of water. 



Orchard ]Management Experiments. 



13 B. Rows 4 to 12, inclusive, beginning with the seventh tree in the 

 respective rows, are fenced off for sheep pasture. The object of this 

 is to determine the effect of pasturing sheep in orchards as a means of 

 fertilizing the soil and keeping down the grass. 



13 C. Rows 13 to 18, inclusive, beginning with the seventh tree in 

 each row, are fenced off for pasturing with hogs, for a similar reason. 



13 D. Rows 19 to 25, inclusive, beginning with the seventh tree in 

 each row, have been left in grass, to compare with the cultivated and 

 pastured plots. 



13 E. Rows 26 to 30, inclusive, throughout their entire length, have 

 been dressed with barnyard manure at the rate of 6 cords per acre, to 

 compare this means of fertilizing with the three preceding plots and 

 with 13 F. 



13 F. Rows 31 to 35, inclusive, have been treated with the complete 

 4-8-7 chemical fertilizer at the rate of 1000 pounds per acre. 



