Page 221 - 《水资源与水工程学报》2023年第1期
P. 221
! 1# «¬¬, <: D®¯°±²f³´µÃ¶·ªÒDd¡¸¹®Yw 2 7
1
2
kg/hm,whichwas44.7% higherthanCK(P<0.05),2.8% higherthanSF(P>0.05),7.3%
2
higherthanF(P >0.05)and34.1% higherthanS(P <0.05).Theplantheight,stemdiameter
andleafareaunderSF treatmentwereoptimalcomparedwiththeothertreatments,whichweresignifi
1
cantlydifferentfromthoseofCKandStreatment (P<0.05),soSF treatmentwasmorebeneficialfor
1
thedrymatteraccumulation.Inaddition,thesoilureaseactivityandsucraseactivityunderSF weresig
1
nificantlyhigherthanthoseunderCK,SandFtreatmentsandtheperformancewasbasicallythesame
duringthewholegrowthperiod.Therefore ,thecrushedwheatstrawpaddingandplasticfilm mulching
cansolvetheproblemsoflowsoiltemperature ,poorwaterretentionrate,lowseedlingrateandlowyield
causedbysinglestrawmulchingintheMinqinOasis,andalsoimprovethesoilfertilitydeclinecausedby
longtermsingleplasticfilmmulching.So,SF treatmentisrecommendedtobetheoptimalmulchingfor
1
theMinqinOasisIrrigationAreainnorthwestaridregionofChina.
Keywords:crushedwheatstrawpaddingandplasticfilmmulching;sunflower;growthdynamics;soil
enzymeactivity;yield;theMinqinOasis
³ÅS] [22] 、
PÅ [23] 、 w½Ò] [24] 、 SÌ] [25] b
1 ./01
¾uGÜÝÞë)¹u¨²j¶1ȹ, ¦c
,-0Þx02zu^
õðåpR ¥ÈÉop5ݬj¶¥¿, )2
op5Ý。
'Sq, ãk'n±、 j¶å、 ¦<A¿i [1-3] 、 Gao ] [26] +^³Å, uGÜÝ:Ó+ÜÝÞ[Ñ
LTVWÅÚ, ûÌVWøM\Á<X2 opÙÚÈÉ 30%, 1»2ÐÈÉ 31%。O³ç
, M÷Àpqj¶+、 qøÀÁ、 KLås, ü: ] [27] 、 ïå] [28] ÊË+^£5, !uGj
ñòæãuÑÒLÙX<t [4-7] 。ab, 16M ¶xëk, ÷[uÄvk, ð */ê¸wx,
\u02up<tɹ、 ÉÙD1ÑÒ$ß« ÌLTVWÙL´。
gix>。eg1b[LTVW, ÑÔÜÝ
£Ìø
ÂßoSÜÝ uGÜÝ3#»
]iÚno´ëo3#+^:½Át [8-10] 。`
ù´, §~:ÃM«IÜÝ3#h¤L。o
ÑÔÜÝYZ, 5
oSÜÝuGÜÝ
SÃMuG«IÜÝ3#ð ')ú¥、 nl、 ¦
+^Í, °kÿß½/Ä, O±Üݵú)æ [29] [30]
úÙ¹。5¿R] 、Zhang ] +^
Çøbû。
³Å, «IÜÝ3#¥¦ÈÉopÙÚ, ¨²j¶
ÑÔÜÝ3#R8<tüOt,, í
1È]½, !LTVWU½, )2
LTVW
ã P, R 8 Ý E W - Á d h À . 3
Þ!"<t。`, SfoEGÜÝ$j¶³
# [11] 。oS Ü Ý 3 # ¨ ÿ ú ¥ n l o
[12-13] eXuG5¬ 1~2cmSfoÀP, 5L
, )2
n!j¶P¬1», ¾Æ¬op
MÿuGÜÝoSÜÝÃ;, n¥n¥、 n
[14]
[12]
LT È i ÿ 1 » ¹ 。 f ] 、 ¼ Z ì
] [15] 、 Ì/4] [16] 、 ³<·] [17] +^³Å, oS 1、 ¨²j¶VW, Ü¥úûop5ÝÐÈÉop
ÙÚ。w±?ÜÝúø%ÿåpop
ÜÝ¥¦¨êj¶\´M, ')9ýu³ÄC、
±qÙÚÎ、 4Mb]>, ¤c,!ÿj¶1
`·k'uL、 `·opLT];。º
] [18] +^³Å, åãoSÜÝ^\vopÙ », Ìyzj¶C¡、 mv¨ÿ:Po。
ÚÍÎg±ÞÈÉþ 10%。ô¿] [19] +^³ +^³Å, SfoEGÜÝ3#a¾ÀÿuGX
Å, ëoSÜÝÍ@ìvoÞ§9ÙÚÈÉ j¶l?Ã, [ïGZ¢û;-µ,, c'
[20] )oSuGF:o, Þ¾ØnLTJ*ö
11.4%。¤2ú] Ì02up+^³Å, o
SÜÝv95ÝÐÍ+ÜÝkÎÿ 11.87%, )2¹ [30-31] 。
[21] SfoEGÜÝuGoSF:ov,
9UãÙÚÛ±ÿ 10.4%。Æ9R] +^
³Å, Øn5ÝÐoSÜÝvÍ+ÜÝkÎÿ ¥¦¨²j¶&Ä, `·opÙÚÈÉ。O$)
3.92%, ÙÚÛ±ÿ 1.67%, Q¤b¾ÂßoS 5SfoEGÜÝvj¶p´+^:Ìͱ,
ÜÝYZ¦å)%Øn5ÝÐÎ、 ÙÚÎ]>。 ¤j¶p´$mnj¶\´M:P£, o
áãä, uGÜÝR8ÑÒ±qør'。 p³±Ã±8/»i¢±Pj¶Ã±px