it is v.-all t'' UFG t'hito bocauso f' better visibility, - A-i^diti -'r •'•.]. offoct iir.y 

 bo obtc:".ir.cd if' th'j T'r.^ch-:r plr.rts his cr-p in roxrs c.t o. Y-ddo r.nglo to, the 

 pr'.;vailini:: \rir:. .dirocti'-;'.-, and thvis '-bt'-inE greater nr.tir:.r. of tho stroamors. 



On'; ranchor 'ciripl'-'yod' tro vaxod pap.;r nsyd f ■ r liriin,': l-jttuc- cratos, 

 vrhich v.-as cut irt^. strca-uors 2 1/2 by 21 inchss, the tail vf each stroanor 

 bc.ii'-,::, slit f r full;* 15 iriohos. "This v.^as in a locality. T;horo tho daily soa 

 br.oz'j v;as str'ri;i, ai-d tho split str ".a .ers attained a rriaximum of r.-'tion, ac- 

 c'.ii.ipaniod by a craciclint; and srapping n;,dso that could bo hoard fo^r a long 

 distanco. Homed larks sho'i.'od a narkod aversion to tho noise if tho-so strooxi- 

 ors o,nd yrould n^t even fly -.vor the fiolds except at a considerablo height. 

 ^1 ti.yo-ply, heavy crop-:-: paper, th-' "t/.-'o plies stuck tog(,-ther vdth asp?ialtum, ■ 

 alsa is used. It is durable and' v;ill stand up in heav^/- v/ind and thr.-ugh 

 severe rains , ' Split- tailed stroi-iMe^rs ■of tl^is paper are said to be very noisy 

 and eff6cti"^o «■ ■ It is roperted t^^ be cheaper than nuslir and m.-^re durable 

 than the cli.^th stroairiers . 



1 h'.n paper strea^r.ors are t • be !,-sod it is sutgcstod that prices .incl\jd- 

 ing cutting be obtained fr-io a l^)cal conpany, i'o chine cutting- -of tho .streairiers; 

 at the paper mill v;ill add Ij.ttlf; to the c-st, v/hile cutting streaners. by hand- 

 on the- ranch is a I'ong and l?b. rious task, ' 



Paper stroajn.ers nay either be pinned t ' tho cord or tied to it v/ith a 

 short string; tiie latter is c risidered best o.s- it /errolts ir.aximuiii rriotion.. The 

 end '"^f the streamer must be f Id-jd back so rxs to give additional strength v/here 

 tied, ' ho-n. tho period of doanagc has p'.ssed, the streaners should be r-ornoved 

 fr'-TT the c.-rd ajod the c-; rd r ;lle'' up and preserved f . r use the follo'..'ing season. 



Cloth stroaioors also r-\ay bo ti 3d to tho cord vrith a short stringy, or 

 they nay be Icnotted directly to tho c-'>rd i.s it is beinr stretched fr^n stake 

 to stake, 'lien cloth streamers are used, the cord v;ith stre.amers attached 

 may be vround upon n-^tched boards and kept intact until again neeoled, 



ilany of the cr-ops attacked by h- iT:ed lar; s o.re grov-Ti ir bod-ro^-os; -others 

 are grov.n in sinoi;- rov^s on a f 1 ; t-surfacod fijld. The distanco betvrcon rov:s 

 or beds wild detemino the exa.ct distanco botn;;een, the rows ?f strUres and 

 streaioers. For- exaiople, in a bed-r 'V/ed crop vhero the ccnt-rs ovf the bods 

 are exactly 27 inches ' apart, a rovf o^d stodces can be placed in the certor of 

 each tenth bod, or about 23 feet apart, or in the center ■ of ■ each tvrelfth bed, 

 or 28 feet ap^:.rt, . The r^o-os ,-f stakes and streo.r.-;ors sho.uld never be placed 

 iro.-re th'.n ^0 f'^et ap-vrt, and it is d- -ubtf ul vhethor -any situati-on vrould arise 

 that v.'ould 'd8n'".nd the placiro" of th-.; r.'V-G closor than 20 feet aport. In 

 eoinnon field usage, the rov.-s ...f stak-;S hvc/rag o odp . u t 25 fsct*- apart. 



This method of protectinr plantl'vts against attach by h'jrned larks is 

 strongly reciviincnded to agricultural jfficials ar,d ranchers fo.cod ivith this 

 pniblom. 'h.-'n pr-.:perly d r.e it is an efficioTit nethod of preventing loss, 

 i>i tine sh' uld be vasted on trials of uncertain and less efficient methods. 

 It is best- to install c^.-ntinuv us string flagging in advance of, or i-t the 

 first si- n if.,' o.ttack upo-n> tho crop. 



The reconrr:"jhd''.tions prosent.od in tlii s loaflcit aro based on- -jxperin.ental 

 Work ivith h-^rned larks in C-'.lif ornia , They -may or nay not be- effective against 

 other seeci.,s or at otk.er points. 



9 



