Show IRRIGATION IS FIXED FACTOR I There Is Not a Section In West Under Good System That Is Not B Becoming Becoming Be Be- coming M More Productive I By rotation with alfalfa to keep the tho right amount of ot nitrogen In the tho soil suU and Irrigating to supply Just the right amount of ot moisture land Jan In many of ot the western section that t had been planted to wheat until the yield was waa reduced to 10 or 15 bush bushels bushel ls per aero acre was brought up to a yield of 50 or I 60 bushels Irrigation in connection with the growing of alfalfa h has s hd hid a wonderful wonder wonder- ful effect in keeping up heavy yields and In greater diversity of ot crops throughout the west and at less than tenth one-tenth the cost of keeping up fertility fer for as practiced in the older countries coun coun- tries The enormous yields and sure Bure crops due to these two factors are simply beyond belief bellef to the man of ot the more humid sections who depends on rain for moisture for his growing crops There Tere is not a section In Jn the west today that has been under a good aye aye- tem of Irrigation for ten or more mora years ears that Is not becoming more pro pro pro- productive I every year In quantity quality ity and variety In the irrigated s sections the most difficult problems been solved and their future is assured The same tame methods will not apply to the east but the Irrigated area Is beIng belag be be- ing lag greatly enlarged and Its further development will reach much farther than thought possible a few rew years ago New ways have hate been evolved for developing and using water supplies and it has been fo found fouad td that much of this water supply can bo be used over I ana anci over again The law of nature that water Is indestructible In in- destructible Is being realized in many Irrigated sections where the soil soli for fora a great depth Is gradually being filled with water frosi Irrigation and is either being pumped to the surface again or i Ie ie- Allowed to reach the sur face at ata a a low lower r level where It is again diverted by ditches and carried to storage reservoirs from which it is drawn off oft as needed The great reservoir systems dependent dependent dent on spring and summer flood Water water wa wa- ter waste water anc and seepage from Irrigated districts above are becomIng becom becom- becomIng ing a big factor In western Irrigation The extent to which u the same water I is repeatedly used almost as a constant element is clearly illustrated in northern Colorado where great storage reservoirs are being construct constructed ed cd at a cost of millions of dollars to Impound water water most of ot which has been used at least once before fur ln re to growing crops In this same district more than 15 15 years agn agi agit it was wab generally believed that the limit bad had been reached In irI ir ir- Ir- Ir I ri Since then the area has been more than doubled double and the present area will be more than doubled again when all the works now In course of ot construction construction construction con con- and projected are com com- The same forces that have bave made inthis Inthis in inthis this arid region of so little apparent value only a few lew years yeats ago some fome o othe 01 ot the most productive and valuable acres acres' In the known world are still sUll at work and we can look for ever greater great great- er or results In the near future extendIng extending extend extend- ing lag over this whole region Nature seemed to put a special premium premium pre pro on human effort when whim she first made ro-ade these waste places difficult and uIl unattractive and then gave to mankind mankind mankind man man- kind for their development her choicest prize |