Alfalfa. . 257 



III. Horticulture 

 (John Craig ) 



No. 30. Orchard cover-crops. 3 plats. A comparison of the values 

 of hairy vetch, cow peas and mammoth clover, in apple, plum, pear or 

 peach orchard. All plats in cover-crop experiments ^g acre in extent. 

 Keep soil thoroughly stirred from spring until middle of July, when seed 

 should be sown. Seed furnished by the College. Study also the in- 

 fluence on temperature of soil. Record temperature daily at noon in 

 cover-cropped soil and in soil without cover. 



No. 31. Mulching versus cover cropping. We want a half dozen 

 volunteers to undertake a serious comparison of these two methods of 

 managing orchard soil. We would like to include at least apples and pears 

 in the experiments ; other fruits if possible. We should like to include in 

 the range of the experiments different types of soil. Therefore a wide 

 representation is desired. Particulars sent on application. 



No. T^2. Spraying experiment. Compare lime and sulphur with 

 Bordeaux mixture as a fungicide. Prepare according to directions given 

 in Spray Calendar. 



No. T^T,. Spraying to prevent peach and plum rot. Ammoniacal cop- 

 per carbonate against dilute Bordeaux mixture. Spray twice as fruit is 

 ripening. Spraying material furnished by the College. 



No. 34. Spraying to prevent black rot of grape. Bordeaux mixture 

 with and without sulphur. 



No. 35. Thinning fruit. Conduct careful tests on early apples, 

 peaches and plums. 



No. 36. Strazvhcrry. Variety test. 



No. 37. Raspberry. Variety test. 



Experimenters are requested to send the Department of Horticulture 

 descriptions of new varieties of fruits ; samples of new seedling or cross- 

 bred fruit will also be gladly received and examined. 



IV. Entomology 

 (M. V. Slingerland) 



No. 41. Poison sprays for plum and quince curculios. Experiments 

 with arsenate of lead and arsenate of lime sprays. Specific directions and 

 arsenate of lead furnished by the College. 



No. 42. Spraying for grape root-zvorm. Experiments with arsenate 

 of lead spray to poison the beetles. Specific directions as given in 

 Bulletin 208 or the Spray Calendar. (Bui. 217.) 



No. 43. Spraying and timely cultivation for the rose-chafer. Specific 

 advice in regard to time to cultivate to kill the pupae, and directions given 



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