17 



Tahi.k II. ^Sliitin'iKj trcdtinent and dtiti- of itpj)lic(tti<>n. (iIsd flic ininihrr and 

 pcrcetitiKje of .sound iind irornii/ ((j>j>li:s. 



WEATHER RECORD. 



Duriiiir the time when the sprayint; was made the weatlier coiKli- 

 tioiis were favorable, witli one e.\(!eption, a.>^ the (hiy.s were warm and 

 Ihe wind was light. 



The rainfall at Delaware, reported to Mr. .1. Warren Smitli, director 

 of the Oliio section of the Weathei- I5iirean, by tlie local observer, 

 shows that no precipitation was recorded for over a week after tlie 

 first spraying was applied. 



On the afternoon of May 22, the day that tlie secoiul spraying was 

 made, Ojhi inch of rain fell, and tliis was followed by contiime<l rain 

 or showers on eveiy day for the balance of the month, l.?."! indies 

 being recorded during this time. The first half of the month of June 

 was also vei-y rainy, (^specially during the first week, the rainfall on 

 the Otli amounting to 2.'.il inclu's. Tlic total for the niontli was 4.'.)7 

 inches. 



Vei-y litbh^ rain fell in July after the l."5th, which was the (late of the 

 third spraying. On the ISth il2'.i inch was recoi-dcd. and this was the 

 lai-gcst amount on any day during the month. 



l"'i-om the fact that the foliage of the trees on rows 4, •), "i, and 7 was 

 well covered with poison late in Septt'inbcr, it is probable that the 

 July rains had little inMueiice t»n the results of the last spraying. 



AMOUNT <»K MATERIAL I'SED. 



The average amount of spray material used by us on each row was 

 35 gallons. During the second spiaying on row i". foui- no/.zles were 



22564— No. 40—04 2 



