470 Reading-Course for Farmers. 



No. 86. Over-run in churning. — To determine effect of tempera- 

 tures of churning and temperatures of wash water. 



No. 87. Variations in the composition of milk. — To determine ef- 

 fects of different conditions upon the fat content of milk. 



No. 88. Small sized cheese. — A test of the market demand for small 

 cheese. 



VIII. PLANT DISEASES. 

 H. H. Whetzel. 



No. 90. Oat smut. — Experiment to show the value of treating the 

 seed with formalin for the control of the. disease. 



No. 91. Loose smut of ivheat. — Special hot water treatment of seed 

 wheat to determine to what extent this disease may be controlled. 



No. 92. Potato scab. — Experiments to demonstrate the value of 

 treating seed potatoes with formalin or corrosive sublimate to control 

 scab. 



No. 93. Club root of cabbage. — Experiments in liming the soil for 

 the control of this disease. 



No. 94. Bean Anthracnose or pod spot. — (a) To determine whether 

 it is possible to grow a clean bean crop with seed from selected spot-free 

 pods, (b) Spray mg with Bordeaux to determine its value as a pre- 

 ventive of this disease in field practice. 



No. 95. Feeding copper sulfate to plants as a preventive of fungous 

 diseases and also as a stimulus to growth and production in the host. 



No. 96. Fire blight. — The control of this disease in young pear and 

 apple orchards, (a) By the fall and winter treatment of "hold over 

 cankers ;" ( b) By cutting out blighted twigs and cankers during growing 

 season; (c) By rubbing off young spurs and water-sprouts from trunks 

 and main limbs of the tree. 



No. 97. Black rot of grapes. — We especially desire to arrange co- 

 operative experiments on the control of this disease based ( i ) upon 

 sanitary cultural methods and (2) upon applications of Bordeaux mix- 

 ture to the vines. 



No. 98. Plans for the control of diseases of any crop in which you 

 are especially interested will be prepared if possible and furnished upon 

 application. 



IX. SOILS. 



E. O. FippiN. 



No. 1'. (a) Drainage. — Study may be made of the relative effective- 

 ness, cost and returns from open drains as compared with tile drains. 



