Show Need Pounds Water To Make fake Pound of HayTo Hay To mike 1 pound of dry diy alfalfa hay bay the growing crowing plants need to tob b absorb oib and later giro o oft off or trans from 5 0 to lo pounds of water Irr Irrig use the term tenn transpiration trin tr I ratio bo and anday say ay that alfalfa has a hon tion ratio of from to tl tJ-c tJ e smaller rat ratio fora fo for a cool moist cli ch climate climate mate and the larger Jarger for dryer sections Phrasing it another Va was engine er of the United States ment of Agriculture find that thit to produce Ij 5 tons of dry alfalfa hay an acre in western Oregon about 20 inches acre of wat water r a n y year car w v willbo dl l he be required that IS 13 the alfalfa Y will remove remote remo e from from the soli soh as S much hater ater as v be IN needed to lr covar the field to a depth of 20 inches allowing only a 1 moderate quantIty for dirc t hon evaporation from the soil w oil In the Willamette Valley of Orl Oregon on for example ex mple according to toM toM M R R Lewin of ot the Bureau of engineering the 20 inches of water i required m might ht be made up of 7 inches stored m in inthe the soil from Winter rains rams 3 3 inch mch inches es from rains rams occurring in the growing season nd and 10 Inches supplied by irrigation Tho pro proportIOns proportions proportions portIOns would vary Tary with the sea sea- season sea season sonIn son fon In more and arid regions alfalfa IlIC may need as ns much as 30 inches of w ter a- a ater ter or even en more to produce 5 tons of oC dry hay per acre the de demands for fol both e evaporation ft are rc rai cd in some sections say 8 or 10 tons an lacre iacre the reqUIre reqUIrements moats ments will be roughly proportion proportIon- proportional al to that for the 5 ton corp m in eastern Oregon Olegon Different crops vary widely rn In theIr water vater In a see sec section section tion where it takes about 20 acre inches to grow crow a n 5 ton crop of al alfalfa alfalfa falfa an aero acre it has lias been found that it takes 12 inches for corn or beets bout 16 inches for potatoes and only about 9 Inches for white beans ans If a crop does not pet get et ItS full proper transpiration ratio Mho It vill not manufacture its full quotA for marketable product |