-110- 



Di!:PART!i.i::r: of .'griou^tip-E 



BtJT.LPrriN (co.it. ; 



C0>fTRIBUTI01I? yPOU BUmxV <W PLAirT IIDUSTRY 

 Utmber, 

 502. Dachnovvski, A.?, ■ Cuaiity and value of important types of peat mat- 

 erial. IGIS. 



Peaches: ^:ro abaction sstimates ana important ccm- 

 morciai iist^'icis and varieties.' 1515. (in 

 coor:Gratior. .vith Bur. crov: est, ) 



Ciorub-fruit iu^rovement: a study. of bua' varia- 

 tion in we Euraiia leruon. Ib^O. 



Citr-i3-f-"uit iiu;;rovei^er.~ : r. _stu-ay .cf bud . varia- 

 tion m the Lisbon le;..on. iSSb. 



Streei; trees. 1920. ^ ^ •, 



Soil disinfection vad". hot vvater to control, the 

 root-]nict nematode and parasitic soil fungi. 1S20. 



Frost protection in lemon, p^i^cnards. 1S.20., 



805. Gould, H. P. 5: 

 jVndrews, F. 



813..Shamel, A.D. 

 . St al.. 



ai5. 1 



et al 

 815. iiulford, f.L, 

 BIB. 3yars,L.P. it 



Gilbert, W.Tv. 

 831, Shamel-, A.D. 



. e.t .al 

 822. Gould,?-.?. & 



Andre'ATS, P.. 



Pears: -jrolucticn estimates and iioportant com- 

 . r::;er>;ial districts and vai'ieti,e5'. 1920. (In 

 cooperation 'vith Bur. cvor .est.) 

 823. Warburton.C.W. & Experiments with Kherson and Sixty-Day Cats. 

 Stanton, T.R. • 1920, ... . .' 



828. Rand,F.V. .i . Baciarial •yilt of cuciirbits. ^320. 



Enlows, M.A. 



829. ■Brandes,.EiWv 



. 83Q. HawkinsjL.A. .fc 

 Sando, C.E. 



836. Rothgeb,B^E. -i . 

 Sieglinger, J.B. 



842. Byars, L.P. 



. ..•.844. Coo, H.S. & 



Martin, J.N, 

 . 85o. Husmann, G.C. 



859. Sando, C.E. 



,866.. Cook, F.C. 

 867. Shrader, J.K, 

 .,869. Ka;7e3,H.K» & 



Harlan, /l.V.' 

 871. Boyce, J. 3.. 

 876. Kephart'.L.tV. i 

 IvIcKo^, R. 

 '87"^, Clark, J. A. 

 . .. :.e-t al 



878. J__ 



.: .■ et al . 



879i boblittle, S.?. 



• The rao sale disease of sugar cane. and <b,ther .gras- 

 ses ^ 1919. . : ■ ■ 



Effect of temperature on the resistance .to wounding 

 of certain s.^iall fruits and cherries. 192C. 



Broo.ra-corn ercperimeuts at '"co'dward, Oklahoma. 

 1920, * . . . • 



:Tne.nc:aitode disease of wheat caused by Tylen- 

 chu3 tritici. 1920. 



Sweet-clovsv seed. 1920» . ..■ ■ 



Cui'rant-gra^oe .•^rowiiig: a oro:ai sing, new industry. 



1920, ' ■ ' . 



The process of ripening in the tomato, considered 



esppciaily from the. commercfal. standpoint. 



1920, 

 Picka.'ing spra^y-s. 1920, 

 The castor-oil industry. ,1920. 

 The irJieritance of the len;|th of internode in 



tha r.ichis of the barley spike. 1^20. 

 Tlie iry-roi ojT incense cedar. 1920. . 

 Hairy-vsto'.i. seed proiuctios in the United States. 



. -1920. " ,, ■ ■ 



Australian vheat varieties . in the Pacific coast 



area. l*^30.„ • • : . . . . 



Variotal e::psriis.;ntf5 with. sprin.g whea'o on the 



northern G^rsat' .^laina. 1920. . 



TJie LiOsaic disease of cuciirbits, 1920. 



