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Show L mii'b n i as in r a an n.a ei eisw ECONOMICAL DISTRIBUTION I OF IRRIGATION WATER By I. M. WINSOR, Utah Agricultural College. Oreg-m Short Line llallroad Detii-1 (I'oUtlhurd fti'iti luet week ) , Further expertnienta tit Hie t'tnh experiment atuttoli give uu these re lulls: j TABLE NO. 2. Psiatlve Amounts of Water Required by Different Crops to Produce One Pound of Dry Matter. To produce one tioiind dty mutter. I potntnra required I " pounda water To produce one pound dry matter, out a required I.2UX pounds waier. To produce one imiind dry matter, whent required l.ot'.i imiindn water. To produce one pound diy matter. Bugar beeia required l.u'.'H pottuila water. To produce one pound dry tuntter. rorn required 7.VI aiunilM water. Thla table allows ua nut only the different iimoiiiiia of water requited by various crops, but also gives ua an Idea nf the lltiineuae quiiti'lly need by theae plants for a amiill iimoiitit of Btnred up material. The. reatilta nf uiher experlitiettta will gl'e ua allll further light uu the BilbJeeH of tbe moat ecoiiuilllcul amount uf water tu give the various plants In Table No. 3 we Bee the yields of various crops as a result of the up plication of different ainounia til water In K.rma uf the depth In Inches over olio acre. The yields' are given per acre. TABLE NO. 3. Amount of Water In Acre-lnchea va. Vltld Par Acre. Average for Four Veara. ,.,. I,;,j;.;';;r ti til t liU. I In. do bu Oata Ifi In. 72 bu. ill In Ui bu. 411 In 7 bu " f In. 3H bu." Mil Uf bu. 10 III. 44 bu. Wheat lu In. 4A bu. I'i In. 49 bu. 3S lu. f.4 bu. Ml In. 4 ht 76 lu. hi bu. 10 In. 1 bu. 15 In. 711 bu. Corn 2i In. VI ha. I 20 In. 9 bu. 30 In. 10 bu. r.S ln. 114 bu. 7 In. bu7 Hurley IK In. aa hu, 2f. In. 68 hu. 4",n- 63 bu- lu In. ft.H2H Ihe. Alfalfa Jo In 424 Iba. 2f In. I0.6IH Iba. .f.0 In. 12,163' Iba. E In. 2,r.l bu. I'otutoea 10 In. 27.1 hu. Ii In. 27f bu. 20 III. 202 bu. R In. HI" tuns flugur Heels lu In. IN D2 Ions 15 In. 21 as tuna 20 111 IS7tona The aoll la a sandy loum with excel lent under drainage. Now, after atudylng thla table for a mlnule, If I were lu aak, fur example: "What would be the moat rronimilral diBtrlhutlon or water under these run-dltlons run-dltlons for augur beets?" muny of you would answer: "At the rate nf fifteen acre-lnchea per acre." beiuuae Ihe fifteen fif-teen Inch application guve the grout-rat grout-rat yield. It ua look at It from a new point of view. We Inferred In the opening of thla talk that the vulue of the lund la dependent to a very great ex tent upon the wnler supply. Let us miiku this pulnt a IK t lo clearer. Our lund without Irrigation la limited limit-ed practically to the growing of wheat. In I tati (Idaho) the yield la about 2& buahela per acre, allowing an ample am-ple margin Tuklng Hie figures nf sev rrul Jeudlng dry farmers the average coal uf producing a crop la ffitit) per acre. K'xainplii I Is self explanatory. KXAMI'I.K I. 2.'i bu. wheat at f.- I 111 '.'.' Huh-trucMug Huh-trucMug rust 6u, leuvra 10fl.', as ptoflt un land alone. Any additional profit, then, over lliMi.'i per acre which a fanner may obtain through imitation la due to the Irrigation anil that aloi.e Com paring theae values we have, laVtig an uvt-riiKit t rop of anitar beeia ua uu example: KXAMI'I.K II 10 tuna lit II Ml t'HMili ii m the total tetiiin. Takini; ::t.nu as cost of pro itiiciliin. we luiie I .! mi as ihe profit on land and aaier After Kitlitraeilnit 1 1 hi',:,, tin- iiiotll on laud nluue, we have lis :'. iu. tin- piofli on the water i..,.i- aaeiaii I isir "an il n n J ; . ! per acre font apprnvlmntelt , when up- ? ' 'f piled to one acre j. - . . ' Thus the profit on the water la ovi r i r.r .'. four tlmea the profit on thr land ah ho. r r , Thl being the cne we ahould fli ura) ''."" . t our crop returns not In terms of acre ,",'-"' of land Imt acre inches of waier. Wo ' ; 'j will not then confine our fifteen acre 'Inches of wafer lo one acre of land ' -. ! In order that we mav reap the great- , , I eat possible tnntiuce nn that one ncre. hut will spread II over a larger area, . 1 mi that we can get greater returns ' fmm our water For example. If we , spread the llfteen acre Indira nvet ' ' . thtee a. rea of ground we will reap, ar- J ', cording to tnhle No. :t, three llmea ; 13 711. oi M Ik tuna aa compared wlih 1 ' I SIM tuna If the fifteen acre Inehi a -are routined to the one acre of land. Or. using oats as ntiother example, we ! 1 . get a vlcld of i'i.' luiahels of oata with .' a 6 Hu h applic ation of water and 2 1 . bushels with ii '.'oliiih a). plli atliin. . Now, If we were to pread the Iftl ' . Inches over 4 uciea of ground, muaing -t '. ' Sfc nn application of 6 Inches on each arre, we would gel a yield of 4 limi-a i'il'. or "IS bushels uf nala on thoao lour acres with the aame amount of water that It took lo produce k'J buali L ' els nn one m te Whether or not this. . ., .' la a paying proposition can be deter . V mined by solving a simple pinhleiii In ' arithmetic. The average coat of pro ! ; during and harvcaltng an acte of Irrl- . gated oala Is nhoiit s 00. litOIH.KM III. ' , Twenty Inches of water over I arre I riHliices K bushela of oats. h2 hu I oata at .Mic Ml uu. Cost, I till $ 13 . I profit on land and water, flouo profit I on land only. $-'3 00 profit on water I alone. I Twenty ncre Inchra of wnler over 4 ' I acres produces IMs bu. oats. 24k bd. f oals at Mic II'.'IUO Cost nn 4 acres f.r.'liu $:i-j uu prollt on land and wo- Ji let, fio oti proht on laud alune. ..2.ll(i , I profit on waier alnne ' I Thus the prnllt Is more than doub I led The minimum yield per acre of I ' Iland there, la much leas Important L Aa than the maximum yield per acre Inch I of waier. j I |