Show irrigation OF AN ORCHARD plan outlined fop pr proper P all of 01 water ater in 1 furrows full grada G do varies widely at from tho the united st states cas D department of az aarl suit culture or in Ir irrigating lightf g orchards by the furrow follow method the length ivil I vil of tile the lateral ditch us ea OP A furrows to IS governed 90 9 o by the size am ot or tile the elchard had and che character of the end th the rows 11 of f citrus cite trees tree seldom ex C eed it 4 40 0 rods ad in boath but tile the apple orchards or h or of f the northwest rialto at are birg r aoe or as a r ic ean r e in large tr tracts t it Is 1 doubtful it f it ever pays P Y to t run ell water t in furrows fallon s more than about felt nl T here the soil sell la IS oam I 1 water it ashes madla through it short furrows sh should be cs used d buthe otherwise IS 11 water tar ald is lot j A in deep do p percolation on tho the upper part of the tract prof H cul cid bell bertion I 1 of so aan diego goo counte cil 11 of after a careful 1 I of till athla subject has reached tile the conclusion that on sandy or g any soil having boiling a steep cep slope lie 1 proper p per length of furrows soga ff Is feet t whereas her oil an heavier soils san and flat famter t cr slopes slope the length may be bi increased rcck t to feet the grade grad of furrows varies vanes quite widely lo in gat flat valle valleys it often la is not net possible to obtain a fall greater chaft the 1 inch ell to feet whereas where on steep slopes the full my may reach 20 inches per pep loo feet on ordinary soils sofia a grade of it 3 to 4 inches is to be preferred and ahle the fill c exceeds 8 to 10 inches t to a feet the trees should be set out at in n such a ft a 5 US as to decrease tile the slops IP of the furrows the gumbir of furrows in orchards dep depends on the age of the tree the space hand between the rows mma the dop depth h of furrow fellow and the character baracker bar acter of the soil nursery namely stock Is irrigated by one or two in furrows and ad voting trees tree by two we to tour four A common spacing for shallow shalto to far furrows 1 is sa feet but deeper furrows are am 3 8 to 4 feet apart th tha goneril trend of orchard archard practice Is toward deep rather than shallow sha furrows a depth ot of 8 inches being used in 1 ganv as instances 1 amold 1 in spacing poll g fo furrows renive chief consideration should d be given give to the literal mo movement ement of madiare mol mad sture vare in the soil 1 on con ic each cecil side ot of the furrows so is as to insure sure a fairly uniform distribution of moisture the furrowing following implement must most coin mody only used by the dice citrus dista of southern california mrs consists at of a sulky frame to which are attached two tu or three mold moldboard board plows those who prefer a small number of deep furrows as se s a 12 to earn corn liter lister in the pa faiette ette valley idaho wo or OP bhore or crin miner a inches are turned into the head ditch and ad divided up by means co of wooden spouts piano into lot a like lika number of furrowh on steep ground much smaller list streams tire or are used the th length of the bunow varies from feet feel on steep slopes tape to COO feet and ad more on flat slopes slope the time required to moisten let the soil it depends on an the length of the furrow form and the na turn ture of the soil sell in 1 this thia locality it varies art fr from three to 36 hours A 20 acre orchard liard baat under the tha Sumay side canal in the yakima valley t W 5 W VIF s x e s A is p 4 1 irrigating a an apple orchard by the furrow follow method M ili I 1 is watered stated four fear time I 1 in such each al arason tat with mith 14 miners last inches cubic cable toot foot pie per second three furrow a art made b between amen the rows which aich ara am 40 rude rods long the total d supply Is applied B to one halt half the orchard cochard ten tell acres and ad kept hept on A 48 hmar 0 on the he cley clavey ie coams loams of tile the apple cn orchards ehardt on an the eat east bench of the bitter I 1 oot cot river mont manit prof it W fiher formerly horticulturist of the agrical tural total college of montana jia bous has as found oa as a rt it of experimenting that it re quires gone fr from 12 to I 1 11 I 1 houn p M ite the soil in furrow 4 4 feet deep and 3 fret feet alde sideways aldee e in an of hood blind river ore litigated three acres of 0 alg hiees in 1 follow 80 feet long spaced perd s 3 feet lant about a miners ad inch of 11 water motor wai 1 turned into at each h alter a net nate follow fr from a wooden ad head dome and floi 1 t on for about as hours after chaj abo ili the floal j tad an it become me sufficiently dry it va culli ted and in eight or ten I 1 davs a ve r motor was tinned into the alternate rows raw which were left city di dur g ahr th flit iru bru gation |