92 REPORT OF OFFICE OF EXPERIMENT STATIONS. 



Pseiidomonas radicicola prepared in the laboratory, however, gave 

 very gratifying results, especially \vlion used in conjunction with 

 lime, and are believed to be of value. The varieties of P. radicicola 

 found on different species of legumes could not be differentiated by 

 bacteriolooical methods and are c(msidered to be identical. 



A study of the mushroom iiulustry has also been begun, particu- 

 larly as regards buildings and market conditions from the standpoint 

 of the anuiteur grower. American spawn cultures have been tested, 

 and ex[)eriments are under wa}' looking toward the control of the 

 iwushroom maggot. 



Experiments with dust and licpiid sprays for apples have been 

 completed with satisfactory results. For Keiffer pears dust sprays 

 have been a failure, while liquid sprays have been a complete suc- 

 cess. Other horticultural woi-k has included pollination experiments 

 with apples, dipping nursery stock for the San Jose scale, further 

 tests of various petroleum emulsions and insecticides, and cooperative 

 experiments in ai)ple breeding, i)runing, and other orchard pi'oblems. 

 There has also been cooperative work in spraying cantaloupes Avith 

 Bordeaux mixture for macrosporium blight. 



The chemist has been studying leguminous crops with reference to 

 the jiniouiits of iniinurial constituents removed from different soils 

 with and without fertilizers, is carrying on cooperative experiments 

 Avith crimson clover, and has continued work on petroleum enndsions. 



The entomologist is studying, among other things, methods of con- 

 trol for the apple leaf miner and the plum curculio. 



The publications of this station received during the past hscal 3'ear 

 were Bulletins 71, The action of formaldehyde in the preservation of 

 milk; 72, Dust and licjuid spraying; 73, The K-L emulsions and 

 spraying; and 74, Some experiences with insecticides for the San 

 flose scale. 



'I'he income of the station (hu'ing the i)ast fiscal year was as 

 follows : 



United States Mi.pn.i.rintioii. llntcli Act $1.'), 000. 00 



TTiiited States aiJiiroiiriatimi. Adaius Act 5,000.00 



Fees LiSG. 00 



MisceUaneoiis ., 32.00 



Total 20. 818. 00 



Ke])orls of the i'eceii)ts and expeutlilures for the I'niled States 

 funds have bi'en rendered in acconhince with th(> schmbdes j)rescribed 

 by this Department and have been approved. 



'I'he i^assage of the Adams .Vet made possible the }mrchase of some 

 nnich-needed e(|ni|)nieiit I'oi' investigations in chemistry and soil 

 bacteriology, but the needs of the station contiinie to be very urgent. 

 Land for experimental work is especially necessary, as no funds are 



