OCR Text |
Show 14 Bulletin No. 173 ( of crops a much larger area may be served by the same sized stream than if all crops had exactly the same seasonal water requirement. The approximate period during which water is used by the various crops discussed in this bulletin is shown in Figure 9. It is seen that alfafla, wheat, and oats are able to use water early in the season, whereas sugar- beets, potatoes, and corn do not require water till later. Alfalfa, on account of the May June Jufy Aug Sept Oct Sugar Beets Potatoes 1 .. . fan 4 HHL rffe » BiBBHflSfl ^^ -^ St^ S^ Sjm^^ t^ SS^^ S^ k 38&& 4mii& M£%! ij£& eto&. x ''*%• • , Alfalfa I I j j l 1 i | | l j 1 J | j . LuUiilgJj'" ' JliLi1 JiiJ" Lia/ y" ' ' ' v& m, " i '• • - T X ."':,^ sl^^^ 1 SKr-'^*;.. '^ m^ r « .* _ flHTTTv* Lj'*' TFBffWWBBIlHBBHi^ Sife^^ V,** is ^$ iS5f? » £ Sifc - mm ug , vv/.-. Wheat f'w? SiS^; V*' fcgt i;'. ' f^ W*:--'. ':* fmwWBBmEgm&,~. "£•>.. ... J, :-. > - 1. imafe*?':._.' '-..... :.* » ^ mm\ %&&!&-',£'•'*-' i j* s , i- A k Oats • TV-' t ^^ K&'' *- mmMW>% 2Z'rJv ••..-*&' J:" ij; § * ab.*#^. .___.> fe ifil; f£&. c WjSMu^ SjSP^ HBits^ si^ i lfet M JSIKB afiii:"-'^--'-. # Corn r « $ isaMifei£ ••' ~>~ fc mmW •'•.',-•* • • '•". Fig. 9. - Diagram representing the seasonal use of water by various crops in Cache Valley, Utah. |