'lffiCfm ~ l:«i ~ 0W<lR mcnr qq 12 0fq; 1 ~ 2004 '1:- 102-106

~ cIT ~l11f*, ~ ch fWwr', itq:;l:r fm"* ~ ch~, ~~T ~ ~ ~ ~ ~ ~ ~ U'1fT'T, 'lffiCfm ~ 0W4R ~

~ f?&i;fr 1 10012

mmT: ~ -q ~ -qftm 19K q;r 1:% ~ 'IWT iT 1ftit' Gm m -q \iITl1T;;mIT ~ \3ftr ~ ~ fiJIT \3Tfucot~T '1fT'T~, \"Iftr ~-\3~, R1'iI~?ICh(1)1 \3T~ f.rmi'!'i" Gm ~ -q ~ m;;mIT ~ I \3nfflcll mf.r cf; m~-tlW Ch#f-<ntt ~ ~ l:«i '~ cf; ~ ChT CflR'lT '4'r q;r ;;mIT ~ I ~ cf; ~ "ffif c@" tr~~ ~ ~ cf; m u ~ "@:IT (fCf) CflI1 fcmT "IT wmrr ~ I lffiI]f \3T~ -q ~ \'l\"f, cf; Cfi;B ~ <fRJ-\3~ Chl<q'i'il~(il <frfiIcIif \3TIr ~ ~ \311~{1'1CR11:if1(il ~ ChT m, ~-~ q;m;r '<rn) -q Wm c& ~ If{ ij.fCflT JrI1f"1" 00 cf; m fcI:m 1J1IT I m -q qr:rr 'TIlT fit ~ ~ -qftm eft WRT -q IfrJt -q ~ ~ l:«i \3lT'qffir ~4 c@" ;r ~ 20 U 40 % (fCf) ~ CO{ ~ ~ ~ ~~ 1RT2f (~ \3ftr ''iB!") c& ~ '4'r IOU 30 % (fCf) qg;r ~ ~ I \3fdllR U ~ '4'r '«IT T.f(ilT ~ fit ~ ~ '~ cf; '~-mn<#rCh rrrr c@" \3TfUcn ~ "'itt ~ \3ftr ~ -q trfuo ~ ~ q;m;r ~ ChT ~ <r¢r -q w.mq; fu7. ircfr 7. I f<RT 19K cf;, \3rq~ q;m;r ~ eft ¢ f:;{ ~ ~ C:~frill ~ fit ~ ~ ~ -q IfrJt l:«i <mfm'lT cf; m ~ ~ ChT ~ "'iif if.'[ ~~I

~

~ if ~ ~ ~ 0fR ~ 0lXi'1 f.i q;Cf)~ 00 ~ "11~~\J1"1 CfiT mr, \1R'f-~, ~ R!"11~8Cf){OI , R~ <IT

Cl[I"!:jlCf){OI ~\:ffi ~ ~ ~ I ~ R!"11~8Cf){OI ~ ~

w;r ch m~ "11~~\ij"1 ch ~ m ~ (WilOlOS~ ch ~ R~ ~ ~cnT '4t ~ Cf}{W %' I ~ ~cnT "Cf)t9 {I '811Ol f.i Cf) f.i1Ol1 lOICh'f ch "9?:iM GRf CJ)l1 fch<:rr \ilT "BCflill ~ I ~ -'='

~ ~ 0lXilf.iq;Cf)~ "11~~\ij"1 ch R!"11~8Cf){OI cnT ~ 0l~ ~ ~ t (R~ 0lXi'If.iq;Cf)~ "11~?I\ij"1 ch 1:l!ll ~ 'IWT cnT ~-"{f~~ 0fR I:lWlc8Cf){OI GRf ~ if ~ cnB if ~ N(f %' \iJT ~ if ~ GRf ~ if ~ \ilT "BCflill ~ 1

~ {lfillOlf.iCf) ~ ~ l:f-f wf, sl~'8I~"1SI~q;lOIl~5 0fR

~CRlI#1VI\8I~cf~i\l~cffi"1 ~ '4t ~ "CJ)l(f ch fWr ~ fctlr \ilT

¥%" l-I;~~~chCfiRUT~~Ml~~~1

~ ~Trtl if ~ ~-1J;"_Cf)I{<SI'HI~~ ~ $ ~-01qtlC:'lllOl

~~'8I~fCk;jCf) 0l1~{i'ICRlI":11~ ;n% ~ ~ CfiT "11~~\J1"1 f.i1Ol1 lOI chf ch ~ if "9?:iM fch<:rr "ll<rr ~ I ~ ~ CfiT "9?:iM~ffiiIT if "{f~~ ~ ~m fch<:rr "ll<rr 0fR \j.fCf)T ~ if ~ &TG: c8" ~ :m ch PH 1~8Cf){OI c@" f.r<:litRr q;8 ch R-o: 'fT-~ ~ ~ en: mer ¥ if 1:l!ll "9?:iM fch<:rr "ll<rr I

mlHft~~ mPH: "9?:iM if ~ ~ ~ a,B-Cf)Wl'H I~~ ~ cnT m~ffiiIT if ~ fch<:rr 'T<rr7 ~ ~ 0l1~fi\ICRlI":1'I~ ~

~ c@" t\1~$'lfrffl~~ ~ ch m~ t\1~i?l#11RCf) ~ c8" ~ if ~ fcrfu GRf "{f~~ fch<:rr 1J(lf 0fR

• ~ fclw-f n:ct CQlit mm <i'1WT, .~ ~ ~ ~, ~ ft;;;jT I I 00 I 2

\W@ ~ ~ ~ c8" ~ ~-{lfll101f.iCf) fl?1Cfs~){<hlq~1 ~

c8" ~ I sl{'8I~"1sl~q;lOIl~s ;n% l{Rq) ~ ~ cnT m ~ ~ ~ WiTtcfr ~~, ~ ~ \900 "ll<rr I f.rm1:rcn ~ CfiT m "11 ~?I \J1"1 &TG: *t l1T:'IT CfiT 5 % m fch<:rr "ll<rr I

fcl'1l~sn41{OI

~~: 250~ct~if~~ (100 g, 10if~T)

if ~ (120 ppm) ~ 1:ftr~ ~ (~CfiT 10 %) fi:rwm "ll<rr I ~ ch fWr, 1:l!ll fi if ~ 0fR ~ CfiT ~ WRT ch fWr sl~'8I~"1sl~q;lOIl~s 0fR ~ CfiT"9?:iM fch<:rr"ll<rr I~ ~ ft1 fi if ~ 10 g ~ f.iCf)I~Cf){ \mCfiT 0llOl'lf.ill.Cf)~,

~ ~ ~ "11~~\J1"1 ch fWr {1'81101f.iCf) 1:ftr~ fch<:rr "ll<rr I

~: ~ ~ if 'I1ffifm ~ ~ ~ ch 1J~ c8" 5 kg ~ 'lffi ~ 0fR \j.fCf)T ~ ~ 2 if c;~Tfir 1lir ~ ~ fch<:rr"ll<rr I ~ ~ if ~ ~ ~ ~ lhlffl{'8

(Pps' 60 ppm) ~ ~ -3ifq) W~T (~O, 40 ppm) cnT ~-«f fch<:rr "ll<rr I mer ¥ if 1fT (~: ~ fcr~m;r) ~ ch lfrw1 if ~ 2002-2003 if m <tt ~ 0fR WI' ct lfrw1 if ~ (~ HD 2687) ~ f.rm1:rcn $ ~ ~ ct 0fCf~iWtf ~ ch ~ if ~ ~ 11fT WTH ~ ~ ~ CfiT ~ fch<:rr "ll<rr I ~ c8" ~ ch ~ ~ Fcm: ~ 0fR ~ if 0l4'If.ill.Cf)\'l,

~ ~ ~ "11~~\J1"1 *t \iJtq c8" ~ I ~ ch ~ 1fT

WTH~~0fR1fT~ch~iffWJ:~1 ~~ (120

ppm) ~ ~ -f.ilOlllOlchr ch ~ (W\Ufr 1) cnT en-~ if, 1fT WTH ch wm ~ 1fT WTH ch 30 ft.r ~ ~ c8" ~ if ~ "ll<rr 11fT 0fR ~ *t ~ qcR- en: m coriI TJt 0fR ~ qc;r~ c8" l1T:'IT (m- 0fR ~) ~ *t ~ I m- 0fR ~ CfiT

~ 'TcIiR

pH: ~ : qr;jt :: 1 : 2.5

{m (~qtr qtfl)

_ [(m ~ (1ft» kg·l ]

~~(%)

-3l1:j'l f.:ll;CfiI'1-N (ppm)

~-N (ppm)

~-P (mg/kg·l)

(~Cffi~~:it<lI'1-K (mg/kg·l)

m:@m (P,O, kglha· l)

~ (~O kg/ha)

~ti&lT ~

I. f.!<Rur f.f;rr ~

2. ~"{CIR:

3. ~ + 2-#1Vl~"'!1I~f\:1~'1l;~~lilf4i1'1

7.6

0.4

16.9

0.045

13.6

11.5

17.0

15.4

32.0

340.0

4. ~ + ~~~I~f\:1gl1 - 4' - fi'r:dlcffill;~~lilf4;1'11

5. ~ + l;';'il:1I~i!f1~1 - 4' - flr~ICf!.1Il;(ililf4;1'11

6. ~ + fqc{j1~l'ih"l1 - 4' - fi'r14lcfull;(ililf4;1'11

7. ~ + 2-#1'IM"'!1I~f\:1~1 - 4' - flmfCf!.1~Il;~~lilrq,1'11

ll. ~ + W~{I~f\:1sl1 - 4' - fi'r~trcfull;{'tMf4i1'1

9. ~ + 3 - 11~~~"'!1 I~f\:1SI1l;(ililf4;1'1

1 O. ~ + 3 -~ - 5 - ~13l""'1~{'tri\-;'ICffi=Ir.;?~lr-r1'1

11. ~ + 3,5 - sl~f\h11~1'113l1~{'tlCffiI~11'1

12. ~ + 5 - ~13l1~{'t'CffiI~ll'1

13. ~ + 3 - fi'r~ - 5-(4 - fi'r~Cf!.11rq,11~1'1) 13l 1 ~{'t'ICffiI ~'11'1

14. ~ + 3 -~ - 5-~I3l I~{'tlCffi I~11'1

15. ~ + 3-~-5-(3,4-~~~) 13l1~{'t'ICffi I ~ll'1

16. ~ + 3-~~ 5-~;j1I~{'tlCffiI~11'1 17. ~ + 3-fi'r~-5-~I3lI~{'tlCffiI,,!11'1 Ill. ~ + 3-~-5-~I3lI~{'tlCffiI~'11'1 19. ~ + 3-~-5-(3 ,4-~~~) 13l 1~{'t'ICffiI~11'1

20. ~ + sl~el~1SI~~

7.5

0.4

16.6

0.053

16.11

13.4

14.0

16.0

211.0

360.0

~

44.11

44.0

44.3

43.5

44 .2

44 .6

44.5

43.9

43.6

4~1.5

44.0 , 44.4

44 .0

44.5

44.6

44.0

43.8

44.5

45.4

103

(%)

" : . "( ;

JTWT-JTWT fcr~~ ~ 'i1~t1\i1'i ~ cfi ~ :fctm 1fm,

~ 1fT -q 'i1~ t1\l1 'i q;r ~ (g~) ~ \3l'rImft '11~t1\l1'i q;r ~ (%) ~ cor wfi I ~ q;r ~ ~ii@cfil<1llR ~ '4T q;r 1T{ I ~ -q \:il4'f.lC(Ch~ 0fR ~ 'i1~t1\l1'i ~ ~ (1~I<1f.1Ch ~ ~ TIT q;r ~ '4T q;r 1T{ ~ . )() I ~ ~ ~

~ q;r ~ Sffif CfJf.r cfi ~ ~ &m iRChT ~ii@cfil<1 W~ fctm 1fm ~ BY tr 5 % ~ ~ q;r 1T{ I

~~: 4({g'iJ1 W~ -q qn:rr 1fm frt ~ ·Q;u. ~

Chl(~''il~~ ~ \3l1~*1'ICRlI'lJ'~ M tt RHI~?1Ch(al coT ~ CfJf.r -q ~W1 ~ ~ .~u.ChI(~''iI~~ ~ cfi ~ ~ ~ Jt ~ 'i1~t1\i1'i CflT ~ m- \jfT(fT ~ \ill frt ~JtICRlI'lJ)~ ~cfi~~mmcrr~1

104 'I1ffifm ~ ~ ~ ~ ~ Cl1if 12 \3tcn I ~ 2004

m"{U\t 3 - "1:T qq' itt q\T ~ it ~ ~!lXfi 1RT~ q\T ~

~~ "1:T (g,f7TlffiT)

if.!" 'lID ~!lXfi ~ I 2.04 5.36 7.40

2. 2.20 7.88 10.08

3. 2.31 8.19 10.50

4. 2.95 10.45 13.40

5. 2.98 7.02 10.00

6. 2.31 8.19 10.50

7. 2.89 6.70 9.59

8. 2.59 6.36 8.95

9. 2.11 7.49 9.60

10. 2.99 10.60 13.59

II. 2.76 11.00 13.76

12. 2.60 10.40 13.00

13. 3.24 12.90 16.14

14. 3.2 1 12.80 16.oJ

15. 3.48 13.90 17.38

16. 2.46 9.86 12.32

17. 3.57 14 .30 17.80

18. 2.68 10.70 13.38

19. 2.88 11.50 14 .38

20. 2.91 11.64 14.55

~ 0Rf\0.48 0.78 1.26 1.59

~ 0Rf\ = critical difference at 5%

lrom: ~ ~ ~ I:Rm ~ ~ cwr ~ ~~ ctT llT?IT

(m\Uft 3) cf; ~ ~ ~ Si3lT fch cf;crc;r ~ ctT ¥AT 1l

~~ ~~~ ~~I 1fT ctT I:Rm 1l

U'qr JlI~filcR"tI~'I('1 f.:i41IOlch'i 1l info (~msm) 17, ~. 3-fli~-5-~JlI~filCff1I~1('1 (17.8 ~~, 1fT GRT, 3.57

g ~ <~ 14.30 g) ~ WI ~ ~ inf. 15 JfR info 13(~+~-5-(3,4-~JlICR1IfQ;'1I~(ij) JlI~{{ICRllqfl('1 \3lR~. 3-fli~ -5-(4-fli~CR1'IfQ;'1I~('1) JlI~filCRl I..?I('1 ~ 17.38 g JfR 16.14 g ~ ~ I ~cfiT ¥AT 1l ~ (dicyandiamide or cyanoguanidine) ~ W;q ~ cf; ~ ~ 14.55 g (2.91 g GRT ~ 11.64 g~) JfR ~ ~ ~ 10.08 g (2.20 g GRT ~ 7.88 g ~) ~ lTlWfT ~ ~~ ctT ~ ~ I ~ ~ 1l cf;crc;r 7.40 g (GRT 2.04

g ~ <~ 5.36 g) ~ ~~ ctT tT ~.~ I ~ 1l qr:rr

'n:IT fch ~ f.:i41IOlchl" cf; ~ ~ cf;crc;r ~ ctT ¥AT 1l1fT

cf; ~~ ~~ 1l ~ 20 % ctT cr% tfqq ~ I Wi ~ JlCf~~ I:Rm Trt 1l <qr ~ ~ I ~ ctT I:Rm 1l ~ ~ 1l cwr 6.55 g ;~~~ (2.15 g~ ~ ~ 4.40 g) ctT ¥AT 1l

~\NtIIRd (\Hf. 2,~) 13.00 g~ (5.50 gGRT~

7.50 g <~) ctT ~ ~ I ~ ¥AT 1l iJ.~. 17,15 JfR I31l

~~T: J 5.80 (GRT 6.80 g JfR ~ 9.00 g), 15.20 (GRT 6.0 g

~ ~ 9.20 g), 11 .50 (GRT 4.60 g ~ ~ 6.90 g) ~ lTlWfT

~~~~ctT~~IWi~mf.rwrcFm~m~ cf; ~ if 16.32 g(6.32 g GRT JfR 10.0 g~) ~ ~

itt (g,f7TlffiT)

if.!" ~ ~!lXfi ~ 2.15 4.40 6.55

5.50 7.50 13.00

7.06 11.00 H!.06

6.29 9.80 16.09

4.58 6.87 11.45

4.13 6.16 10.29

4.26 6.39 11.65

4.69 7.00 11 .69

4.40 7.00 11.40

5.90 8.90 14 .80

5.10 7.60 12.70

5.40 8.20 13.60

4.60 6.90 11 .50

4.06 6.10 10.16

6.00 9.20 15 .20

4.93 7.80 12.73

6.80 9.00 15.80

5.00 7.70 12.70

4.90 7.40 12.30

5.10 7.60 12 .70

0.66 2.25

WI mtr~T if %T ~ cIT ~ cf; m~ f.:i411OlchY cf; m ~ ~ cf; m1 cR C§E9 wm \len ~ fchm ~ W@" ~ ~ 1l ~13ff (bacteria) *r '11~t1\J1'1 ~ ~ cf; ~ C§E9 ~ wnr ~ JfR <m ~ '11~tl\J1'1 (m\Uft 4) JlCf~ I:Rm ctT ~ ~ 1l ~~ m ~ I '11~tl\il'1 ~ 1fci ~~: m\Uft 4 if ~~Tfm ~ 1fT

~ JlCf~OO Trt ctT I:Rm if cfrm &m '11~t1\J1'1 ~ ~ ~~rcr \3lfIffifr ~~ cf; ~ ~ I:fdT ~ ~ fch iJ. ~. 3,

6 JfR 9 *r ~ f.:i41IOlch'i cf; m ~ cfrm &m 1fT ctT I:Rm

1l '11~tl\J1'1 ~ ~ (%) \3TI'J1® ~ ~ ~ (78.

30 mg~) ctT ¥AT if ~ \len "tr ~ I cnff ~ ~ if 1fT ctT I:Rm 1l \3TT'lffifT '11~t1\J1'1 ~ \:if~ ~: ~ (apparent-N recovery) 29 ~ 44 % \len ¢ I JlCf~OO Trt 1l

Wi~ II ~ 34 %~WI '11~t1\J1'1 ctT~: ~m ~ ~ JfR ~ cf;~, (iJ. ~. 20) ~ 1fT ~ Trt if ~~T: 58.82 JfR 40.55 % qTt ~ I iJ.~. 3, 6 ~ 9

[~t2-CRT11?l~;;]jI~81g)'1tz~~Ii?JfQ;11 '1, ~ + fClc?l'1~c1'liH-4'-fi1l!11cffittz4121fQ;;{H 0iR Wm + 3-'1I~~~~I$R:lsl'1Q.~~121fQ;;{H .,

if ~ ~ ctT ¥AT if em '11~t1\J1'1 ~ JfR ~ <x, ~ CfJliiIT'1I~('1 ~ cf; m ~ ~ 1l f;1f.:iCfJI{CfJ ~ '11~t1\J1'1 cf; ~ cf; cmur~, ~ fch q{@'1\'1~1 crtTll1UT ~ ~

Si3lT m I g>('1'1k4CfJ 3TUnH ~ Wi ~ "i?rill ~ fch ~ m 1l ~ ~ ~~~ f.:i41IOlch'i if iJ.~. 17 JfR 15 [~+ 3-fli~-5-~\:ilI~filCff1I~1('1 JfR ~+

105

m\'lft 4 - ~ &m ~ ~ (mgf1TlffiT) ~ "SIft!r~TO ~ ~

\Wt!l\ tf&:rr 1fT 7lt ."

~ ~ ~ ~

~ N~ ~ N~ I 78.30 20.7

2. 93.50 12.66 40.60 16.58

3. 91.24 10.78 74.83 45.10

4. 118.00 33.08 67.30 38.83

5. 133.20 45.75 54.50 28.16

6. 94.71 16.41 45.43 20.60

7. 143.10 51.75 56.23 2V.60

8. 114.00 48.75 55.34 28.86

V. 89.68 V.48 50.16 24.55

10. 152.4V 61.82 80.24 4V .61

II. 135.24 47.45 66.81 38.42

12. 126.10 39.83 70.20 41 .25

13. 163.26 71. 1 U 64.40 36.42

14. 160.5U 68.5U 56.43 2V.78

15. 162.86 7U.47 84 .6U 53.25

16. 11 5.62 31.0U 62.12 34.52

17. 164.58 71.9U 82.V4 51.87

I ll. 128.6U 44.92 64.0U 36.0ll

19. 140.54 51.86 68.11 3V.51

2U. 148.88 58.82 6V.36 4U.55

~-3Rn: 41 .24 3.57 7.65 1.56

~ -3Rn: = critical difference at 5 %

m\'lft 5 - ~ <fit ~ <Ti i3'nRf ~ ~ -3il1WIl('Il1'I t:(Ct ~ N <fit 11BlT

(ppm)

\Wt!l\ tf&:rr 1fT <Ti i3'nRf >TIt <Ti i3'nRf

\:H I1',Pll('Il1'I -3ITqrffi \:HI1"Pll(Cfl1'l -3Tfqrffi

~ N~ ~ N~4 6.40 5.00 5.44 5.00

2. 7.76 8.80 6AU 6.6U

3. 8.8U 9.UO 7.UU 6.40

4. 9.9U 7.UU 7.UU 6.25

5. 10.5U 9.90 8.80 7.88

6. 7.76 7.00 6.50 5.UO

7. 12.26 12.0U 10.2U 10.44

8. 13.UO 12.08 11 .26 IU.U6

9. 9.UU 8.8U 7.8U 6.8U

10. 13.36 13.2U 12.26 12.UU

11. 13.UO 12.26 11.36 10.58

12. 1'l.58 13.46 11.46 10.90

13. 12.56 11 .36 10.96 9.ll0

14. 14.46 12.UO 9.0U 7.llU

15. 13.00 11.26 7.20 6.54

16. 14.86 13.24 IO.UO V.OU

17. 10.05 8.76 6.ll6 6.UU

Ill. 11 .08 II .UO 8044 7.5U

19. 13.58 12.20 9AU ll.OO

2U. 12.26 12.UO 9.88 7Jlll

~-3Rn: 1.U9 1.05 l.ll 1.26

106

3-~-5-3,4- ~>3l'fCR11fCh'iI~~ JlI~f11cR:II'-:1'I~] cR ~ f.nw:rco ~ <t Wfcfi~ f.nw:rco <t "{C\Cf iT 00 ~ ~ ~ 1

31if1f.NcMI ~ ~ "11~t1"1"1 q;r ~ .q~: ~ 5 cfi ~~~m~fct~~~iT~~WAfiT~ f.nw:rco $ Wtm-~ <t ~ iT 'i I~tl \ij 'i q;r \3lfuco \3lft f%11T ~ *1~W~l\ij'i m ~ ~ ~ <t \f'rm cfi fWl: ~ ~ 1 <m­~ ~ YH ~ ~ ~ cfi Jlq~fi ~ eft ~ eft ~ ~ iT ~~ fufT ~ 1 ~ ~ ~ \1."ff. 17 $ 15, \3lfuco ~ I:fI<ft 1T'ft ~ 1 em -3Rf f."I <11 Y CfiY eft WAf

iT Jlq~~ ~ ~ ~ cR \1."ff. 17, 15, 10 $ 12 \3lfuco ~~~I

~ ~ ~ ~ (9T?; cfi fc8:rr 1fm ~ ~ \3lfuco ~ cfi ~ ~ :qT%' ill \'!W-r~<1 Cf)<:ll j)*11 { (9T?; q;r 1JlfrT '4t fc8:rr ~ ~~I

~~~~~~fct\i@~iTS1~~ ~ 'il~tl\ij'i q;r ~ ~ ~ fct;-<H \JfRIT ~ em 'il~tl\ij'i mr CflT "Cfll1 Cfi"B cfi fWl: 'il~tl\ij 'i ~ q;r ~ 11Rf iT m ;r cficg ~ eft ~ CflT ~ ~ ~ 'il~tl\ij'i ~ $

\3TfIffift 'i I~tl\ij'i ~ eft ~ iT '4t ~ ~ m ~ 1

~ ~ ~ q;r 1JlfrT f."I<1IYCfiY <t "{C\Cf iT ~ Fctim ~ ~ ~ \SI§ilRkl 'i1~tlql<11'i (N-serve) ~ CR'tlM~s f.nw:rco ~~~ ~GTm~~~$~~iT1JlfrT ~ if m. ~ 1 ~ WAf iT ~ JlI~f1'ICfflI'-:1"I~ f."I<1ly<h1· iT

MiT'4t~-~~~~$~*r-~ '4t ~ 1 "1)- Rl~Yil~<1 ~ cfi cmur "¥T-iT ~mr tT ~ if \iffif ~$m~tTcnW~Jlq~~'4t~~~I~~

"¥T cfi ~'* 1R cnW ~ \3lW ~ ~ ~ \3fR;r tT~ 'i1~tl\ijOj CflT ~ ~ ~ ~ ~ eft ~ cfi 8tJ: t>lf."Irhl{Cf)

iRrr ~ 1 ~ em ~ f."I<1ly<h1· q;r m cficg JlXi'lf."IltCf)~ OjI%~\ijOj

q;r ~ mr tT ~ ~ $ ~ ~ eft RlOjI~tlCf){OI ~ ~CflT~CR"cfi~~~iT~m~1 3-fIr~-5-lP{~~<RlT\ifT~ ~ 3-~-5-3,4-

~.::l1rcffilfChOjI~~ JlI~f11CfflI'4l~ ;r ~ cR ¥w.f ~

~ \3fR ;r tT !>l41 1IkYCf) 11Rf iT "¥T CflT ~ ~ ~ 1 ~ ~ ~ CflT f."I<1ly<h1· (N-regulators) 01~ RlOjI~4Cf){OI

~ (nitrification inhibitors) cfi "{C\Cf iT 'qr 1JlfrT Fctim ~ ~~I

~

I . <liTW~~~~mT!;iT,~~R~~~ ql\'lR:\1I~Ji~R, f{?l'cr[U5trrzrr;r, 43 (197 1) 497-499.

2. >ftfM m ~ ~, ~ \3ifq:; ~~R \3l'fq) \3~ 4lf2\1I~"1 <,

?1r<lr7 ~ ~ .JtfrTi JT1lftcnr 9'rifrft1r, 93 (1962) 21 1-21 8.

3. >ftfM m ~~, ~ \3ifq:; ~~R \3ifq:; \3~ 4lf2\1I~"1< ~ '{ftm ~ 2-m-6-S:;I~iful~fl1~ f4frtR, tfrq(;r ~ ~ .JtfrTi JT1lftcnr 9'rifrft1r, 93 (1962) 43 H 36.

4. ~ ~ ~, ~ ~ cfi ~ ~r:rf ir fr, ~~R \3l'fq) WI' ~ ~tJ{lI~Fc8<Ri ~ ~~R ~ ~ n:r ~~QI{lI\1, ~ ~ 22 (1998) 83-88.

5. )ffiR "IT{, ~ m ~ ~ ~~, ftl'lofIP.f1ct"{l ~ ~ 4l!Z\1I$"1( (nitrification inhibitors) ~~, ;ft1r fITrif r[U5

rMJ(iNq;C (e'. : lB ~ t'<WIT T17'f <IT ~ ~), ~ fr ~ ~R 1'. 3, ~ \3ifq:; ~ ~ ~, ~ ~ (1993) ~ 97-108 .

6. ~rqfirfrqq'\lJ1:R~~,~ ~R\3Tfq)~~4'I.1ICf1'i'I(l{lI~cMl%q{t'1

~~~~'1I~~'if4,ct~R~,~~22(IW8) 77-82.

7. qf.ffi <IT ~, ~ ~ ir, ~ cfr, ~ fr ~ '3fr n:q' ~ n: -3m:

(~) cft7mr ~ atfrE ftf?RcFm JTT7'fRq; tfi'Rtr, 4lh T!;ir~R,

~ lfI'f <IT ~ ~~R, ~, (1978) ~ 794-796.

8. ~ ~ ~ -3m:, ~m u-;fr '3fr, 1fr;:rfr \3~ cfi, 11IW-T~ 'l cfr qq' ~ ~ ~ lB, ftr'~ t:!;lS ili{Ck(l~Ji~R \3l'fq) WI' ~ ~ ~ ~ ~tJ{lI~Fc8<Ri 'lTi-2 : 3,5-~\3lI~ftl<RiI~Rl , ql~(1"11Rl ~ 4,6-~ fGf{fl1lH1, ~ iif#r.JtfrTi cfifi:R?t; 34 <IT (1995) 938-940.

9. ~ ir ~ ~ <tRr iT -3m:, ~~R n:'lS \3~ mr0fr \3l'fq)

~ ~ \3ifq:; ~ ~ tIi<m ~ (!.iP.1 Th'l"l\1 ~ ~ ~ ~ ~ ~~R rgRI;I~R 1l~, ?1r<lr7 ~ ~ .JtfrTi JT1lftcnr 9'rifrft1r, 29 (1966) 504-507.

10. '2IRrm, mfrcfiqq'~\3IT{TR,~~~~: n: tl'~ fRi\3l'\1", 'qffijlq ~ W4R ~, ~ ~, (1999) ~ 160.