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Show fiATION INVESTIGATIONS nd finnu I M '. bulletin . lrrlltlr lv stthlllnns of i Jul i tier rimcnt of ArN-'jrtth ArN-'jrtth '" of Mwoo'l l,t 11 I tie 1 It Cllll- nl ully llluslinted obj( tof Hi lmestli,ullnn Is th nuaiitity of water m mln i irinu pint' of tl In hi i lew of "10 work ,r 1 10 Mr Mr I M)S tint d m n rnxlm He knowl- dnl nf ,rr '" older tn u, , li foi their , I, n !M tlit- tnRlneers rslnirl r ' ) properl) plan . r,.rini Wlllmiit this ,ic j Inn ii int trinsicllon a, t in f i ii., itlon w arks flit Itmfloi o wilor thero- vlV v 1 I ndont on indl-ment indl-ment or nni tmr Hlghts ji r n r it li impmlnll) , nl I n uppioxlmnti" of Hi i- . "t "' r '3 k3 hi 1 n I innrit on i n ii t r niough to loai" ll our foot during juli I top to ma le h ai it il plh of mi m I it the points of na oi i I ur f t A larRO -Is uai r li lost from the ,etn tin li adgutes ami tho fdbj t I i-o ami evapnn-Inn evapnn-Inn hi b n founil In lm r than li il been supposed, of oil th nirii iirimenta iinlnsa of ' 17 per tent ( the w I - iken In at tho nail lli" I iit moisurn. M li about a qiinlcr of I r mile, whllo the luigost la pe- tit rer mile, Might Ml often irluco grc illy the (((page, If til pti' s whole li r in lie pnlntc 1 out. Iltlnn H tho field luvo In He" In m my plates oull r ult In a doubling (r jpplj White tho loss li i In It If i k rlous mit-ileu mit-ileu h m u ofti n ilono to lin 3 h h ime ton wot P f It lir llll oils liin- is Jl 'I arc brought fj -I --iiiiiip m-owth Imr il 'llioi Mill, ail " i inc fiiun Im- r l I in I u 1,0 losses Hi "ll Hie reoits glvo 11 f if I III dllfPlcllt pirla of tho West for roiluclnR these losai All loporta eniphaMro the need of atoi iro not onlj for InrroosltiR the iron, iiiH4ntoii but In properh farm the nroua alienrty undr rultliatlon. An ImportDiit nuostlon In Iho constitution constitu-tion of atoniRp ipnenolrs la th nniount and chnrictrr of Iho silt onrltd by strpami whoso w iters are stoied ln-oatlRallona ln-oatlRallona of thla iustlon have boon boRuu lit the houtlmet, but Its aliidy will have to he. cinled on for a number num-ber of soisona befeio niuoh dellnlle Inform In-form itlon wilt be available The pro-Kiosa pro-Kiosa report contained ln bulletin 101 de lis with the methods used for pie-vonlliiR pie-vonlliiR tho depnalia of silt Thla la sometimes accomplished by miking sotillnit basins In tho feeders nt short dlsttincen nbovo tho reservoirs, thus chocking the velocity of tho stream and permltllnK a deonsltlon of tho Hi enter pirt of tho silt Klulclng roser-volra roser-volra in remove tho silt hna not jot been nttomptod In connection with thla Investigation There hna been much demand for Inform In-form itlon In icgiid to pumpliiK water for lirlg.itlnn In many plana It la billovril that thla would bo a iheipor method of obtaining n viator supi ly than tho constritttlon of long canals The report contelna th records of cost and inpaillj of tumping stntlona In Arizona and I allfnrnla. It la estimated that viator sufllclent tn Irrigate an aero of ground can ho supplied by pumping nt an averAgo cost of $10 per litre In Allzonn, and In California, whero c1crtrlc.lt cm be cheaply gcnci-atorl gcnci-atorl by water power, the cost does not f xi eod from 2j to 3" cents per acre 1 he difference lies almost altogether In tho tost of developing powoi, for which no goneinl ostimitc cm ho made. In addition to tho general Investigations Investiga-tions In tho arid legion, experiments' wcio begun In the scml-arld legion of enstern Nebraska A laige canal was built In a region vvhoro for thirty jeaia cropa had boon raised by lnlnfall alone, Tho reMilts show that even In regions wheie the rainfall Is ordinarily sulll-clent sulll-clent for the raising of ptotltible tiopa, the us.0 of nn addlllonal supply of wnter much more than tuis for tho construction of Inlgation woiks Tho improvement In tho design of ln. struinents for meisurliig water hna been merited nnd farmers nro adopting the water regl-tora at a number of places where It la Important to have continuous records of the flow of canald nnd laterals Asldo from the principal questions discussed In tho report, there Is much of viiluo to the irrigator relative tn the methods of dlverthiR and distributing unlet In oath stale These details, whllo valuable to the faurei of some experience In lnlgHtion, will b ea-pcclally ea-pcclally helpful tn Hiom who are unacquainted un-acquainted with ngrlculturo whole conditions con-ditions urn such as to nnl'o the nill-llilal nill-llilal nppllritlnn of wnter noce-surj. |