IS 14791: Prevention and Treatment of Blockage Problem in Drip Irrigation System - Code of Practice

17 Pages·2000·1.8 MB·English

by  Bureau of Indian Standards

इंटरनेट मानक
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Whereas the Parliament of India has set out to provide a practical regime of right to
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in order to promote transparency and accountability in the working of every public authority,
and whereas the attached publication of the Bureau of Indian Standards is of particular interest
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education and knowledge, the attached public safety standard is made available to promote the
timely dissemination of this information in an accurate manner to the public.
“जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ”
Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru
“The Right to Information, The Right to Live” “Step Out From the Old to the New”
IS 14791 (2000): Prevention and Treatment of Blockage
Problem in Drip Irrigation System - Code of Practice [FAD
17: Farm Irrigation and Drainage Systems]
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee””
“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
Bhartṛhari—Nītiśatakam
“Knowledge is such a treasure which cannot be stolen”

IS 14791 : 2009

Indian Standard
NOITNEVERP AND TNEMTAERT FO EGAKCOLB
.
MELBORP NI PIRD NOITAGIRRI SYSTEM -
CODE FO ECITCARP
KS 65.060.35

0 SIB 2000
BUREAU OF INDIAN STANDARDS
KANAM ,NAVAHB 9 RUDAHAB HAHS RAFAZ GRAM
WEN IHLED 110002
June~2000 PriceG roup4
dnanoitagirrI mraF eganiarD tnempiuqE and metsyS lanoitceS ,eettimmoC FAD 54
FOREWORD
sihT naidnI dradnatS was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard dezilanif yb eht
noitagirrI and mraF eganiarD tnempiuqE and metsyS lanoitceS eettimmoC had neeb devorppa yb eht dooF
and erutlucirgA noisiviD .licnuoC
ehT pird noitagirri metsys is eno fo eht medom noitagirri seuqinhcet ot ezimonoce eht esu fo retaw ni
.erutlucirga tI has a yrev hgih retaw esu ycneiciffe as ti seilppa retaw yltcerid ot eht plant toor .enoz
noitallatsnI fo pird noitagirri metsys seriuqer yvaeh laitini .tnemtsevni fI reporp erac fo eht metsys is ton
nekat gnirud eht ,noitarepo ereves egakcolb melborp is dmrucco hcihw stluser ni metsys .eruliaf A deen was
,erofereht tlef ot poleved a standard edoc fo ecitcarp rof noitneverp fo egakcolb melborp ni pird noitagirri
metsys ot erusne elbuort eerf noitarepo and gnol mret ecnamrofrep ni eht .dleif
nI noitaraperp fo this standard elbaredisnoc assistance has neeb dedivorp yb Jain noitagirrI smetsyS ,dtL
.noaglaJ
roF eht esoprup fo gnidiced rehtehw a ralucitrap tnemeriuqer fo this standard is deilpmoc htiw eht lanif
,eulav devresbo ro ,detaluclac gnisserpxe eht tluser fo a tset ro ,sisylana shall eb dednuor ffo ni ecnadrocca
htiw SI :2 1960. seluR‘ rof gnidnuor fo laciremun seulav .‘)desiver( ehT rebmun fo tnacifingis secalp deniater
ni eht dednuor ffo ,eulav dluohs eb eht emas as that fo eht deificeps eulav ni this standard.
IS 14791 : 2000
Indian Standard
NOITNEVERP AND TNEMTAERT FO EGAK-COLB
MELBORP NI PIRD NOITAGIRRI SYSTEM -
CODE FO ECITCARP
1 EPOCS ro ereht is ytimrofinu-non fo retaw noitubirtsid ro
ereht is latot egappots fo noissime fo noitagirri retaw
sihT standard seificeps eht senilediug rof noitneverp
hguorht eht pird metsys ro eno ro erom fo eht senilpird
and tnemtaert fo egakcolb smelborp ni pird noitagirri
ro nehw a egral rebmun fo srettime era ,dekcolb
.metsys
dedivorp that eht tser fo eht pird noitagirri metsys
2 SECNEREFER stnenopmoc era ni lamron evitarepo .noitidnoc
ehT naidnI Standards detsil woleb niatnoc snoisivorp 3.3 gnidaoL etaR - ehT egareva noitartnecnoc fo
hcihw hguorht ecnerefer ni this ,txet etutitsnoc dednepsus etalucitrap ni eht noitagirri ecruos ,retaw
noisivorp fo this standard. At eht emit fo ,noitacilbup desserpxe ni smargillim yrd( mass) rep ertil fo retaw
eht snoitide detacidni erew .dilav llA standards era .)mpp(
tcejbus ot noisiver and seitrap ot stnemeerga desab _-
3.4 Media Filter - A noitartlif ecived that uses a
no this standard era degaruocne ot etagitsevni eht
deb fo aidem ot evomer dednepsus cinagro and
ytilibissop fo gniylppa eht tsom tnecer snoitide fo eht
cinagroni selcitrap eht-morf noitagirri ecruos .retaw
standards detacidni :woleb
3.5 pH - ehT esrevni fo eht mhtiragol fo negordyh
SI No. Title
noi .noitartnecnoc ehT Hp lauqe ot 7 stneserper
:99701 1999 ngiseD noitallatsni and dleif lamron .retaw sseL than 7 is cidica and erom than
noitaulave fo noitagirri-orcim 7 is .enilakla
metsys - edoC fo ecitcarp
3.6 Strainer-‘Qpe Filter (Strainer) - An ecnailppa
(first revision)
gniniatnoc eno ro erom gnitartlif ,stnemele desu rof
9891:58721 noitagirrI tnempiuqe - reniartS gnitarapes dednepsus sdilos morf eht retaw gniwolf
epyt retlif - noitacificepS hguorht eht ecnailppa and gnitcelloc meht no eht
ecaf fo eht retlif .tnemele
14483 rezilitreF and lacimehc noitcejni
traP( :)1 1997 :metsys traP 1 irutneV rotcejni 3.7 Sodium Absorption Ratio (SAR) - A oitar rof
lios stcartxe and noitagirri retaw desu ot sserpxe eht
:60641 1998 noitagirrI tnempiuqe - aideM
evitaler ytivitca fo muidos snoi ni egnahcxe srotcaer
retlif - noitacificepS
htiw lios and detaluclac as :swollof
:34741 1999 noitagirrI tnempiuqe -
enolcycordyH srotarapes -
noitacificepS
3 SNOITINIFED
roF eht esoprup fo this standard, eht gniwollof erehw
snoitinifed shall .ylppa
cinoi noitartnecnoc is desserpxe ni .lqem
3.1 Backwash - A erudecorp that sehsulf retaw
fo lios nac eb deifissalc as :rednu
hguorht a retlif tank ni esrever noitcerid ot eht lamron SAR
gnitarepo noitcerid os as ot evomer derutpac cinagro
Class SAR Range
and cinagroni etalucitrap morf eht retlif .aidem
woL woleb 10
3.2 Blockage/Clogging of Dripline/Emitters or
System - ehT pird noitagirri srettime/enil ro metsys muideM 81-01
is deredisnoc ot eb yllaitrap ro ylluf deggolc/dekcolb
hgiH 62-81
eud ot ,larenim cinagro rettam ro elacs morf sepip
nehw eht noissime etar hguorht eht srettime is decuder yreV hgih evoba 26

1
IS 14791 : 2000
dednepsuS 4.3
3.8 Total Suspended Solids (TSS) - Water Analysis Interpretation
sdilos ni eht ecruos retaw edulcni lios selcitrap
ehT retaw sisylana nac eb deterpretni as nevig ni
gnignar ni ezis morf esraoc sand ot enif ,syalc gnivil
elbaT 1.
smsinagro gnidulcni ,eagla ,airetcab plant ,sirbed
plant ,stoor ,sevael small sehsif and a ediw yteirav fo 4.3.1
Suspended Solids
suoenallecsim retaw enrob .rettam
dednepsuS sdilos ni eht retaw ylppus edulcni lios
3.9 An ecnailppa desu rof
Chemical injector - selcitrap gnignar ni ezis morf esraoc sands ot enif
lacimehc tnemtaert ro/dna gnitcejni rehto slacimehc
,syalc gnivil msinagro gnidulcni eagla and lairetcab
ni eht pird noitagirri .metsys
and a ediw yteirav fo retaw enrob .rettam erehW eht
4 YTILAUQ FO RETAW ylppus retaw has erom than 200 mpp dednepsus
,sdilos a gnilttes basin is dednemmocer roirp ot eht
ecruoS fo retaw shall eb dezylana ylluferac rof pird
raluger .retlif
noitagirri smetsys as eht egakcolb smelborp era ylesolc
detaicossa htiw eht ytilauq fo .retaw evitatneserper-A 4.3.2
Electrical Conductivity
retaw elpmas shall eb detcelloc rof .gnitset
ytinilaS yam eb desserpxe as lacirtcele ytivitcudnoc
4.1
Tests )CE( ni mc/ohmm ro as latot devlossid sdilos )SDI(
ehT stset dluohs eb deirrac tuo no eht elpmas ot ni ,mpp htiw 1.0 mc/ohnmr = 640 mpp .yletamixorppa
enimreted eht gniwollof sretemarap fo retaw :ytilauq
4.3.3 Hp
)a dednepsuS sdilos ezis )k etanobraC
ehT Hp fo ecrnos retaw desu rof noitagirri is yllamron
and ytitnauq
nihtiw a egnar fo 6.5 ot 8.5. retaW Hp yam pleh ro
)b PH m) edirolhC rednih eht noitca fo enirolhc desu rof lortnoc fo
c) muiclaC )n etahpluS lacigoloib htworg Hp is evitacidni fo devlossid sdilos
tneserp ni eht ,retaw hcus as muiclac/nori etanobrac
)d Magnesium )P etartiN
hcihw lliw etatipicerp tuo ot esuac rettime .gniggolc
)e muidoS )q noroB
4.3.4 )aC(
Calcium
)f muissatoP )r edihpluS
,yllareneG an noitagirri retaw hgih ni devlossid
)g norI s) ecneserP fo lio
muiclac is elbarised as ti stimrep retaw ot etartenep
)h esenagnaM )t .C.E lacirtcelE( ylisae and seod ton .elddup tI is doog rof thgil slios
,ytivitcudnoc ot evorpmi rieht lacisyhp .seitreporp
)mc/sohmillim
4.3.5
Magnesium (Mg)
)i_ setanobraciB )u latoT sdilos
tI sevaheb ekil muiclac ni eht .lios yllausU dnuof ni
4.2
Water Sampling elbarusaem .stnuoma detropeR as Ca + Mg ni tset

fI eht retaw ecruos is a llew ro erob ,llew eht elpmas .stroper
dluohs eb detcelloc retfa eht pmup has nur rof at
4.3.6 )aN(
tsael flah an .ruoh elihW gnitcelloc samples morf a Sodium
,ekal ,revir ,riovreser ,cte eht samples dluohs eb nekat
A lios htiw a egral tnuoma fo muidos detaicossa htiw
raen eht ertnec and woleb eht retaw .ecafrus nI esac
yalc noitcarf has roop lacisyhp seitreporp rof plant
fo lanosaes snoitairav ni ecruos retaw ,ytilauq eht
.htworg ehT lios semoceb ykcits and .suoivrepmi
elpmas dluohs eb nekat nehw eht retaw ytilauq is at
its .tsrow 4.3.7 Potassium )K(
tuobA 1 000 lm retaw elpmas dluohs eb detcelloc ni tI is yllausu dnuof ni ylno small stnuoma ni larutan
a naelc sselruoloc glass elttob gnivah llew dettif glass .sretaw tI sevaheb ekil muidos ni eht lios and detroper
.reppots erofeB gnitcelloc ,elpmas eht elttob dluohs as Na + K ni tset .stroper
eb desnir and denaelc ylhguoroht at tsael eerht semit
4.3.8 norI )eF(
htiw retaw elpmas erofeb eht lanif elpmas is drawn.
ehT samples dluohs eb dellebal ylreporp and tnes norI as wol as 0.1 mpp ni a elbulos suorref mrof yam
yletaidemmi ot a retaw tset .yrotarobal etaerc rettime gniggolc .melborp evlossiD nori yam
niatreC ,stset hcus as ,nori laudiser enirolhc tnetnoc etatipicerp tuo fo retaw eud ot egnahc ni erutarepmet
and ,Hp dluohs ylbarised eb deirrac tuo no tset ,etis ro ,erusserp ni esnopser ot esir ni Hp ro hguorht eht
as rieht stluser era tcejbus ot egnahc llit eht samples noitca fo .airetcab ehT tluser is a erhco egduls ro
era nekat ot eht .yrotarobal emils mass elbapac fo gniggolc eht eritne .metsys
IS 14791 : 2000
Table 1 Interpretation of Water Analysis
(Clause 4.3)
SI No. Parameters Degree of PresenceIProblem
A
tinu‘
Normal Higher Extreme’
(1) (2)
(3) (4) (5) (6)
0 PH 7 <7 Acidic >7 A
ii) Electrical Conductivity llUllhOS/Clll <OX 0.8-3.0 23.0
(Salinity)
iii) Total dissolved solids wr <so0 500-600 >600
iv) Hardness wm <200 200-300 >300
v) Calcium wr <60 60-100 >lOO
vi) v-r <25 25-40 >40
vii) Carbonate Ppm <200 200-600 >600
viii) Bicarbonate ppm <200 200-600 >600
ix) Chloride (Toxic) ppm Cl40 140-350 >350
x) Sulphates ppm <20 20-50 >50
xi) Sodium ppm Cl00 100-200 >200
xii) SAR <3 3-9 >9
xiii) Potassium ppm <lo 10-20 >20
xiv) Sulphides ppm <I5 15-25 >25
xv) iron ppm co.1 0.1-0.4 X.4
xvi) Manganese ppm co.2 0.2-0.4 >0.4
xvii) Suspended solids ppm <lo 10-100 >lOO
xviii) Permeability
a) Caused by low salts bO.5 OS-O.2 co.2
(EC)
b) Caused by sodium SAR c6.0 6.0-9.0 B9.0
Toxicity
a) Sodium ppm c3.0 3.0-9.0 B9.0

b) Chloride Ppm Cl40 140-350 >350
c) Boron ppm co.5 0.5-2.0 B2.0
)xx Clogging
a) Iron wm co.1 0.1-0.4 X.4
b) Manganese v-t co.2 0.2-0.4 BO.4
c) Sulphides wm co.1 0.1-0.2 >0.4
d) Calcium carbonates w-t No levels established
)nM( 4.3.11 etanobraC ),OC(
4.3.9 Manganese
ekiL ,nori esenagnam ni noitulos yam etatipicerp tuo etanobraC is dnuof ni emos .sretaw muiclaC and
as a tluser fo lacimehc ro lacigoloib .ytivitca muisengam setanobrac era ylevitaler .elbulosni tuB
eht snoitac detaicossa htiw hgih :nanobrac sretaw era
4.3.10 ),OCH(
Bicarbonate ylekil ot eb muidos htiw a small tnuoma fo .muissatop
etanobraciB is nommoc ni larutan .sretaw muidoS nopU gniyrd ni eht ,lios eht etanobrac noi lliw evomer
and muissatop setanobracib nac tsixe as dilos salts. muiclac and muisengam morf yalc yb a ssecorp
muiclaC and musengam stanobracib tsixe ylno ni ralimis ot that fo setanobracib and a alkali )cidoS(
.noitulos As eht erutsiom ni eht lios is decuder yb lios lliw .poleved
noitaripsnart ro yb ,noitaropave elbulosni muiclac ro
4.3.12 )lC(
Chloride
muisengam setanobrac era .demrof tnanimod~muiclaC
edirolhC is dnuof ni all larutan .sretaw tI is cixot ot
slios nac emoceb a muidos tnanimod )cidoS( lios yb
emos plants ni hgih .noitartnecnoc llA nommoc
eht esu fo etanobracib noitagirri .retaw
3
SI 14791 : 2000
sedirolhc era elbulos and etubirtnoc ot eht latot salt 4.3.16 Sulphides
stnetnoc )ytinilas( fo .slios
With noitartnecnoc fo erom than 0.1 mpp fo latot
4.3.13 Sulphate (SO,) ,sedihplus sulphur airetcab yam worg nihtiw eht
noitagirri ,metsys gnimrof masses fo emils hcihw yam
tI is abundant ni .erutan ,muidoS muisengam and
golc sretlif and .srettime
muissatop sulphates era ylidaer .elbulos muiclaC
etahplus has a detimil .ytilibulos etahpluS has on 4.3.17 Presence of Oil
citsiretcarahc noitca no eht lios tpecxe ot etubirtnoc liO ro tnacirbul noitanimatnoc lliw esuac tsomla yna
ot eht latot salt .tnetnoc retlif ot yldipar gulp up. sneercS deen ot eb denaelc
4.3.14 Nitrate (NO,) htiw a tnevlos and netfo sand aidem must eb
yletelpmoc .decalper ehT noitulos ot lio melborp is
toN ylnommoc dnuof ni egral stnuoma ni Iarutan
yllareneg eht noitanimile fo lio yb gnimmiks ti ffo ro
.sretaw setartiN etubirtnoc ylthgils ot eht ytinilas fo
yb gniward retaw morf rewol slevel llew woleb eht
.lios
retaw .ecafrus
nI small ,tnuoma ti stca as a plant tneirtun tub hgih
5 LACIMEHC TNEMTAERT SECIVED
slevel etacidni evissecxe esu fo .srezilitref
slacimehC yam eb detcejni otni eht noitagirri-orcim
4.3.15 noroB )B(
smetsys yb eht esu fo rotcejni pumps, irutnev noitcus
llamS tnuoma fo noroB is laitnesse rof plant ,htworg
secived irutnev( )rotcejni ro laitnereIfid erusserp tanks
tub rehgih snoitartnecnoc era cixot ot plants.
as detartsulli ni .giF 1.
INJECTION PUMP

DIFFERE HAL
PRESSURE TANK
VENTURI

FIG. I LACIMEHC INJECTIODENV ICES
4
IS 14791 : 2000
5.1 Venturi Injector 6.1.5 Physical Blockage of Dripline/Lateral
irutneV rotcejni shall ylpmoc htiw eht tnemeriuqer lioS ,nedrub-revo mraf yrenihcam ,cilfart ,skcor plant
fo SI 14483 traP( .)1 irutneV srotcejni era lufesu no stalks gnigdol fo sugar ,senac and stoor lliw dnet ot
rellams .smetsys yehT yllareneg evah a tnacifingis hcnip eht laretal thus gnikcolb ro gnicuder eht wolf
daeh ssol ssorca ,meht and this stimil rieht esu no fo noitagirri retaw hguorht eht laretal ro .enilpird
regral .smetsys
6.1.6 Failunz ofMain Filtration System
5.2 Injector Pumps
noitceleS fo ,reporpmi dednuor roop dedarg noitarNf
These are evitisop tnemecalpsid pumps fo rehtie notsip aidem rof sand retlif ro tcerrocni hsem ezis fo eht
ro mgarhpaid ,epyt hcihw era derewop yb an lanretxe neercs .retlif
rewop ecruos hcus as ,cirtcele a elbatrop enilosag
enigne ro yllaciluardyh detarepo using eht erusserp 6.1.7 Poor Maintenance of the System
fo retaw ni eht noitagirri .enil noitcejnI etar nac eb rewoL ycneuqerf and rewol ycneicilte fo gnihsulf eht
detaluger ylesicerp and slacimehc nac eb detcejni at submain and eht .slaretal
tnatsnoc noitartnecnoc using eht rotcejni .pmup
6.1.8 Quality of Water See 4.
5.3 Differential Pressure Tanks
7 METHOD OF ASSESSMENT OF
esehT era elpmis and elbailer .secived~ yehT dluohs
BLOCKAGE PROBLEM
eb desu erehw a ssorg lacimehc noitacilppa is ot eb
nekatrednu tuohtiw drager ot eht noitartnecnoc fo 7.1 Driplines on Ground Surface
eht lacimehc ehT etar fo noitartnecnoc sesaerced htiw
nehW senilpird era laid no eht ,ecafrus eht eerged fo
retaerg wolftuo fo eht .lacimehc
egakcolb nac eb dekcehc yb snaem fo lausiv noitcepsni
6 BLOCKAGE PROBLEMS IN DRIP and gnirusaem eht tnuoma and ytimrofinu fo
egrahcsid hguorht eht srettime ro secifiro and
IRRIGATION SYSTEM
gnirapmoc ti htiw eht deificeps .egrahcsid
6.1 Apes fo stnanimatnoc and rehto srotcaf gnidael
ot egakcolb smelborp nac eb deifissalc as .rednu 7.2 Dripline Buried Under Ground
6.1.1 Solid Contaminants nehW senilpird era ,deirub ti is ton elbissop ot kcehc
laudividni srettime ro secifiro yb lausiv noitcepsni
esehT edulcni lios ,selcitrap gnivil ro daed cinagro
and eht wolf setar ni eht senilpird dluohs eb dekcehc
,slairetam eagla and airetcab ,emils sdees and elacs
yb eno ro erom fo eht gniwollof :sdohtem
morf ytsur sepip and .sretlif ynA rehto dilos rettam
hcus as seceip fo enelyhteylop epip shavings, rags, )a yB gnitresni a erusserp eguag otni eht liat
nolfet epat and stcesni tneserp ni noitagirri retaw dne fo eht .enilpird
hcihw era ton yletauqeda deretlif ,tuo dnet ot elttes
W yB gnirusaem dettew .retemirep
as stnemides ni eht epip senil and esuac gniggulp fo

eht secifiro ro .srettime cl Visual noitcepsni fo eht dleif kcolb rof nevenu

htworg fo .porc
6.1.2 Dissolved Contaminants - Biological or
Chemical Clogging Problem d) tnemerusaeM fo .egrahcsid
muiclaC ,etanobrac muisengam ,etanobrac nori ,edixo
8 PREVENTION AND TREATMENT OF
esenagnam edixoid hcihw yam worg etagergga ro
BLOCKAGE PROBLEM
etatipicerp ni retaw as ti stands ni eht senil ro
setaropave morf srettime ro secifiro neewteb 8.1 Physical ‘Ikeatment
.snoitagirri retaW secruos rof orcim noitagirri edulcni lapicinum
6.1.3 ehT srettime nac emoceb deggolc as a tluser fo ,retaw ,sriovreser ,srevir canals and dnuorg .retaw
stoor gniworg otni and gnikcolb eht enilpird secifiro sdiloS dluohs eb devomer ot tneverp pmup ,raew
ro .srettime rettime ,gniggulp gniggulp fo sevlav and gniggolc fo
epip .senil As a bmuht ,elur ni esac fo ,srettime all
6.1.4 Emitter Suck-back selcitrap retaerg than htnet-eno eht muminim wolf
ehT rettime nac emoceb deggolc as a tluser fo eht path noisnemid fo eht ,rettime shall eb devomer morf
enif lios lairetam gnieb kcab-dekcus otni /enilpird eht retaw ot tneverp rettime gniggulp yb .’gnigdirb‘
srettime at eht dne fo an noitagirri elcyc nehw eht ,eroferehT eht retlif dluohs evomer selcitrap nwod ot
metsys is gniniard revo a doirep fo emit eseht selcitrap 0.03 ot 0.18 mm retemaid .ezis roF orcim srelknirps
tnemec rehtegot edisni eht rettime ecifiro gnicuder htiw egral and elpmis ,secifiro lavomer fo selcitrap
egrahcsid setar and ni eht emertxe gnikcolb eht htneves-eno eht ecifiro retemaid is yllareneg
rettime .rehtegotla deredisnoc .tneicilfus
5