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APRIL* ^ p /'7 2 
. *: JUN • ;i 1923 -» 
-'i.'l..&BII*K««t< « ijRSn^j» 
t:OI»TE^TS 
PhyslologicMRfeqBirements Of Kooky Moimtam Ttees 
/ -v CARLOS <K BATES 
(COKtri&ution irom E&re&t Swvlce) ^ 
Pftge 
97 
Wv 
A SWdy of the Infernal Broiling of the Yellow. Newtown Apple - 165 
A. J. WINKLER- 
(CoUtrilmtioii frem C«lifoniia Agricultinral Exj^riment Statton) 
. ^ . 
Oh the: tfee ® Calc^in Carhopate in Nitrogen Fixation 
^ W.^L. GAmMY 
. ■ (C^li)attanfroiisKaBsa&AiiJcvltui«l‘Eiirerl>neiit«atton) ; 
- 185 
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Qfj ytSRWMENT PRIKTII^G OFflCE 
