Water Management Revised

8/18/2019 Water Management Revised

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PART I. BASIC INFORMATION

1. Title of Study: Growth and Yield Performance under Water-Scarce Environment of

Aerobic ice !ultivar"

#. Pro$onent": %r. &o"ie A. 'alde() *AS!

+aria ,oeh S. *eredico) *AS!

. m$lementin/ and !oo$eratin/ A/encie":

*ulacan A/ricultural State !olle/eSan ldefon"o) *ulacan

%e$artment of A/riculture- *ureau of A/ricultural e"earch

PAT . TE!0,!A %ES!PT2,

1. ationale

ice i" the "ta$le food for about half of the world $o$ulation and it i" con"idered a" the mo"t

im$ortant cro$ in the Phili$$ine". t i" $roduced e3ten"ively in u(on) the We"tern 'i"aya")

Southern +indanao and !entral +indanao and $redominantly cultivated conventionally in

flooded condition". 0owever) the "u"tainability of the irri/ated rice eco"y"tem i" threaten" by the

increa"in/ "carcity of fre"h water becau"e of the climatic chan/e") $o$ulation /rowth) increa"in/

urban and indu"trial develo$ment) and the decrea"in/ availability re"ultin/ from $ollution and

re"ource e3hau"tion. Thi" i" why our a/riculture today i" facin/ two ma4or challen/e") the need

to increa"e food $roduction to feed the "till /rowin/ $o$ulation and to accom$li"h thi" need

under continuou" water de$letion 5*elder et al.) #6678 *ouman) #669.

Since rice i" one of the bi//e"t u"er" of world;" develo$ed fre"h water re"ource" 5Tuon/and *ouman #66) the a/ricultural "cienti"t" are facin/ a bi/ challen/e to im$rove it" Water

Productivity "o a" to chec< the decline of "urface and /round water re"ource". %ifferent re"ource

con"ervation technolo/ie" 5!T" are bein/ develo$ed and evaluated for their "uitability both in

"ubmer/ed and aerobic "y"tem of rice $roduction 5=u


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"trate/ie" aerobic rice i" the mo"t $romi"in/ in term" of water "avin/ 5Tuon/ and *ouman)

#66.

Thi" $a$er aim" to hi/hli/ht the irri/ation water dynamic" in rice /rown with different water

level techni?ue" with fi3ed day interval.

2. Objectives

The main ob4ective of the e3$eriment i" to determine the /rowth and yield $erformance

of the ,S! c # and ,S! 1@# at different level" of water mana/ement under water "carce

environment.

3. Review of Literature

Atlin G 5#66 m$rovin/ drou/ht tolerance by "electin/ for yield. Pa/e" 1-## in Bi"cher =S)

affitte ) Bu


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'1 ,S! c 1@#

'# ,S! c #

Water Management

W+1 F "oil water content in the root (one at >6-@6 throu/hout the /rowin/"ea"on

W+# F D6-96 from emer/ence till $anicle initiation 5P) >6-@6 from P to

harve"t

W+ F >6-@6 $ercent from emer/ence until P and D6-96 from P to harve"t

W+ F D6-96 throu/hout the /rowin/ "ea"on

W+7 F "urvival irri/ation at vi"ual "ym$tom" of "evere drou/ht "tre""

The initial moi"ture content of the "oil were ta- day" after

emer/ence.

est Management . The e3$erimental $lot" in different location" were monitored for $e"t and

di"ea"e". !ontrol mea"ure" were im$lemented if occurrence of $e"t or di"ea"e" were ob"erved.

!ata gathered.

a. 0ei/ht" of the $lant" in cm were mea"ured from the ba"e of the $lant to the ti$ of thelon/e"t leaf at 6 %AE) D6 %AE and harve"t.

b. Tiller" were al"o counted at 6 %AE) D6 %AE and at harve"t a" $roductive tiller.

c. Panicle len/th in cm wa" mea"ured at harve"t.

. Straw wei/ht 5/ of the "am$le $lant wa" mea"ured after harve"tin/.

e. Yield ta


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W+ .7 D.>D @D.66

W+7 >.6 7.@6 9>.11

Ti!!er cou"t

Table # "how" the tiller number" that were recorded 6 %AE and D6 %AE. 0i/he"t avera/e tiller

count after 6 %AE with mean of .16 wa" recorded from '1W+ treatment) while the lowe"t

tiller number with avera/e mean of #.# wa" ob"erved from '1W+7 treatment. After D6 %AE)

hi/he"t tiller number wa" ob"erved from '#W+# treatment) while the lowe"t wa" ob"erved from

'1W+1 treatment with mean" of .> and #. re"$ectively.

Analy"i" of variance "hown in A$$endi3 Table > revealed no "i/nificant difference" on differentwater level treatment" after 6 %AE. After D6 %AE) analy"i" of variance revealed hi/hly

"i/nificant difference" on tiller count of the different water level treatment" 5A$$endi3 Table 16.

'1W+ /ave the hi/he"t tiller number at 6 %AE and '#W+# /ave the hi/he"t tiller count at

D6 %AE.

Tab!e 2. Mea" tab!e of ti!!er cou"t at 3* #A+ a" -* #A+

Ti!!er cou"t

Treat/e"t 3* #A+ -* #A+

'ariety 1

W+1 #. #.9DD9

W+# #. #.>666

W+ .1666 .#666

W+ #.DDD9 #.@

W+7 #.# #.>DD9

'ariety #

W+1 #.DDD9 .6

W+# #.9DD9 .>

W+ #.7DD9 #.D

W+ #.DD9 .9

W+7 #.# #.DDD9

Pa"ic!e !e"&t'

Panicle len/th 5cm by different water level treatment" that were recorded i" "hown in table .

*a"ed from the re"ult") the hi/he"t avera/e $anicle len/th with mean of #6.76 wa" ob"erved from

'1W+ while the lowe"t $anicle len/th avera/e with mean avera/e of 17.>D wa" ob"erved from

'#W+.


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Analy"i" of variance "hown in A$$endi3 table 1# revealed no "i/nificant difference" on tiller

count of the different water level treatment". '1W+ treatment /ave the hi/he"t $anicle len/th.

Tab!e 3. Mea" tab!e of )a"ic!e !e"&t'

Pa"ic!e !e"&t' c/0

TR+ATM+NT Mea"'ariety 1

W+1 19.>

W+# 1>.@6

W+ #6.76

W+ [email protected]

W+7 1>.>6

'ariety #

W+1 1D.96

W+# 1>.96

W+ 17.>D

W+ 1>.D

W+7 1>.1D

Straw wei&'t

Pre"ented in table ) i" the "traw wei/ht" of different water level treatment". t can be noted that

the hi/he"t "traw wei/ht wa" recorded from '1W+1 treatment) while the lowe"t "traw wei/ht

wa" recorded from '#W+1 with avera/e mean" of @6.66 / and 77.66 /) re"$ectively.

Analy"i" of variance "hown in A$$endi3 table 1 revealed no "i/nificant difference" on "traw

wei/ht of the different water level treatment". '1W+1 treatment /ave the hi/he"t "traw wei/ht.

Tab!e 1. Mea" tab!e of Straw wei&'t )er treat/e"t

Straw wei&'t &0

Treat/e"t Mea"

'ariety 1

W+1 @6.66

W+# >1.DD

W+ 91.66

W+ 96.66W+7 96.

'ariety #

W+1 77.66

W+# 79.

W+ >6.

W+ 91.DD

W+7 D>.66


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ie!

Table 7 "how" the yield" that were recorded. 0i/he"t avera/e /rain yield with mean of D1.66 /

wa" recorded from '#W+# treatment) while the lowe"t /rain yield avera/e of #7.DD / wa"

ob"erved from '#W+7 treatment. '#W+# /ave the hi/he"t /rain yield.

Analy"i" of variance "hown in A$$endi3 table 1D) revealed hi/hly "i/nificant difference" on

/rain yield of the different water level treatment". '#W+# /ave the hi/he"t /rain yield.

Irri&atio" Freue"c4

rri/ation $ractice for rice culture can be e"$ecially challen/in/ in area" with limited water

"u$$ly. Water i" one of the ba"ic need" of $lant" to /row e"$ecially in rice $roduction "y"tem.

Althou/h aerobic rice) can be /rown with le"" water com$ared to lowland rice $roduction.

rri/ation fre?uency refer" to the number of day" between irri/ation durin/ $eriod" without

rainfall. t de$end" on con"um$tive u"e of rate of a cro$ and on the amount of available moi"ture

in the cro$ root (one. t i" function of cro$) "oil and climate. A moi"ture u"e ratio varie" with the


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APPE,%H


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*loc< # ##6.@#D 116.D# #.@ .77 D.61 6.69>1

Treatment @ 1>6.>#D> 1D.7D .D #.D .D6 6.661

E3. Error 1> [email protected]## 9.9779

Total #@ #>1.79 >#.117D

:RAN# M+AN ; -*.323333(*118(8

C6 ; (*.(


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E3. Error 1> .96 6.#6

Total #@ D.996 6.##9

:RAN# M+AN ; #.7@66666617>@D

C6 ; [email protected]#>

A))e"i5 ?. Ti!!er Cou"t at -* #A+

Treat/e"t R( R2 R3

6(7M( #. #. #.D

6(7M2 #.> .# #.

6(7M3 #.> . .7

6(7M1 .@ #. #.7

6(7M8 .6 .1 #.7

627M( .7 . #.

627M2 .7 .# .>

627M3 #.9 #.9 #.7

627M1 .D . .#627M8 #. #.> #.>

A))e"i5 (*. Ti!!er cou"t at -* #A+ ata at a))e"i5 ?.

Source f SS MS F F.*8 F.*( F9Prob

*loc< # 6.D>>9 6. #.96 .77 D.61 6.6@#D

Treatment @ D.9 6.969 7.7 #.D .D6 6.661

E3.Error 1> #.#@1 6.1#9

Total #@ @.19 6.#1#

:RAN# M+AN F .69DDDDDD7699#1

C6 ; 11.7@D7

A))e"i5 ((. Pa"ic!e !e"&t'

Treat/e"t R( R2 R3

6(7M( 1D.D [email protected] 19.@

6(7M2 [email protected] 1>. 1@.#

6(7M3 [email protected] #6.7 #1.


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6(7M1 #6.9 #6.@ 19.1

6(7M8 [email protected] 1>.@ 19.>

627M( 1>. 1. 19.

627M2 #6.6 #6.6 1D.1

627M3 1D.7 1. 1D.9

627M1 19.1 [email protected] 1@.#627M8 1>. 1>. 19.>

A))e"i5 (2. Pa"ic!e !e"&t' ata at a))e"i5 (( c/0.


*loc< # 1.7@#6 6.9@D6 6.9 .77 D.61 6.96

Treatment @ 9.>619 7.11 #. #.D .D6 6.6711

E3.Error 1> @.#61 #.199@

Total #@ >>.7@76 .6776 I

GA,% +EA, F 1>.7!' F >.6#

A))e"i5(3. A"a!4sis of 6aria"ce of Straw 7ei&'t &0 of iffere"t aerobic rice varieties

Treat/e"t R( R2 R3

6(7M( 7@ D

6(7M2 @6 > 9#

6(7M3 D1 D@ >

6(7M1 > ># D>

6(7M8 @ D9 6627M( # 77 D1

627M2 # D 96

627M3 @6 >1 96

627M1 ># 7 >>

627M8 96 >1 >D

A))e"i5 (1.A"a!4sis of 6aria"ce of Straw 7ei&'t &0 of iffere"t aerobic rice varieties

ata o" a))e"i5 (3.


*loc< # 6.6DD9 #6.6 6.16 .77 D.61 6.@679

Treatment @ 6>.1 9.796 1.D9 #.D .D6 6.1D@@

E3.Error 1> D.#DD9 #6#.69


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Total #@ D9#1.DD9 #1.999

:RAN# M+AN ; >(.8333333333333

C6 ; (?.

Water Management Revised

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