. Practical information on irrigation for British Columbia fruit growers [microform]. Fruits; Fruit; Irrigation; Irrigation. 37 bpr of caiialH in miiilluTii fallfornla. It is well ailaptiMl to ranals I. sh tliau S or 10 foot will"' at tlio top. Tlie iiiotliod is ah loliowfi: For a new canal tlio excavation i« nunlo about >> inclios iainor on i acli side than tho tlnisliod t art!i »4Mtion wlicn ready to roioive ttio lining'. Kor an old earth canal all vegetable matter is removed and If necessary more material taken ont In llie same manner as fur a new canal. In enecl for tills purpos
. Practical information on irrigation for British Columbia fruit growers [microform]. Fruits; Fruit; Irrigation; Irrigation. 37 bpr of caiialH in miiilluTii fallfornla. It is well ailaptiMl to ranals I. sh tliau S or 10 foot will"' at tlio top. Tlie iiiotliod is ah loliowfi: For a new canal tlio excavation i« nunlo about >> inclios iainor on i acli side than tho tlnisliod t art!i »4Mtion wlicn ready to roioive ttio lining'. Kor an old earth canal all vegetable matter is removed and If necessary more material taken ont In llie same manner as fur a new canal. In enecl for tills purpose-. This was found much better and moro economical in labor than tampinn tlie eartli. Kven when usinc a very wet mud, the ground drains sulllc ieiiliy to allow tlie removal of tiie forms next morning. This leaves a very smoolli ditcli with moij' banks ready to receive the concrete lining (Fig 2sK The wooden form is a trapezoidal trough with no bottom; tiio sides are tonuiii' and groove or siiiplap boards nailed to frames luade of 2 in. x 4 in. scantlings cross braced for rigidity. To place the concrete form« similar to the earth forms are used (Fig. 29). This concrete form is smaller than the earth form by the thickness of the lining and is built so as to give a greater tiiickness of concrete at the. Concrete form for carta/ ncTMOD or coMcucrt Lin/na canals \ ith re -s Hi or mutTLAHDS ililii<iMT:'..f- aND POViCR LTD. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Etcheverry, B. A. (Bernard Alfred), 1881-1954. Victoria, B. C. : W. H. Cullen
Size: 1719px × 1454px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectirrigat, bookyear1912
