Tgp chi Khoa hgc Tnr&ng Dai hgc Can Tha Phan A Khoa hgc Ttr nhien Cong nghi vd Moi tnr&ng 30 (2014) 84 93 Tap chi Khoa hoc Tru''''dng Dai hoc Can 1\\6 website sj ctu edu vn PHAN VUNG SINH THAI NONG NGHIE[.]
Tgp chi Khoa hgc Tnr&ng Dai hgc Can Tha Phan A- Khoa hgc Ttr nhien Cong nghi vd Moi tnr&ng: 30 (2014): 84-93 Tap chi Khoa hoc Tru'dng Dai hoc Can 1\\6 website: sj.ctu.edu.vn PHAN VUNG SINH THAI NONG NGHIEP DU*A TREN DAC TINH TAI NGUYEN NlTdC MAT t ^ I TINH SOC TRANG Nguyin Thi My Linh', Nguyin Van Be^, Van Ph?m Dang Tri', Mai Thi Ha' va Pham Le MJ Duyen^ ' Khoa Moi trudng & Tdi nguyen Thiin nhiin, Trucmg Dgi hgc Cdn Tha ^ Phong Hap tdc Quoc ti, Trudng Dgi hoc Cdn Tha Thong tin chung: Ngdy nhgn: 10/09/2013 Ngdy chdp nhgn: 25/02/2014 Title: Agro-ecological zoning based on surface water resources dynamics in the Soc Trang province Tie khda: Vimg sinh thdi nong nghiep, sd dung ddt dai PRA, KIP, GIS, vd tdi nguyin nude mat Keywords: Agro-ecological zones, land use, PRA, KIP, GIS, and (surface) water resources ABSTRACT Agro-ecological zoning based on the properties of surface water resources keeps an essential role in making proper development plans of agriculture and aquaculture sectors The integrated approach, including the Participatory Rural Appraisal (PRA) cmd Key Informant Panel (KIP) approach, field surveys and geo-spatial analysis, was applied to understand the changes of farming systems (from 2009 to 2012) due to impacts of surface water resources and hydrological settings changes in the Soc Trang province The obtained results showed that there were existing three agro-ecological zones, including:fresh(surface) water zone, seasonal saline (surface) water zone and permanent saline (surface) water zone In addition, thirty-six sub agro-ecological zones were divided with detailed spatial surface water resources and hydrological setting, providing a proper base for natural resources planning Phdn viing sinh thdi nong nghiip dua trin dgc tinh tdi nguyin nirdc mat Id ca sd quan nhdm ho trg cong tdc qui hogch sd dtmg ddt nong nghiip vd nuoi thuy sdn Phirong phdp ddnh gid nhanh nong thdn co sir tham gia ciia ngudi ddn (PRA), phong vdn nhom chuyin gia (KIP) vd dieu tra thtrc ti kit hgp vdi viec su dung cong nghe hi Ihong thong tin dia ly (GTS) duoe sir difng di ddnh gid sir thay doi ciia cdc hi thong canh tdc tir ndm 2009 din ndm 2012 dudi tdc dgng cita sy biin dgng cua nguon tdi nguyin nude mat vd dgc tinh thiiy vdn viing nghien cuu Kit qud nghien ciru da xdc dinh dugc vimg sinh thdi nong nghiep trin dia bdn tinh Sde Trdng diiu kiin hiin tgi, bgo gom: vimg nggt quanh ndm, viing man quanh ndm vd vimg man theo mua Ngodi ra, viing sinh thdi nong nghiep chinh ndy ciing dd duge ehia thdnh 36 tiiu phdn viing vdi qui mo khdng gian nho han vd dgc tinh tu nhiin ehi tiit han - ddy Id ca sd quan trgng nham ho trg cdng tdc qui hogch sir dung nguon tdi nguyin dugc hiiu qud han MO DAU Ding bing song Ciiu Long (DBSCL) la vung dit ngip nude Idn nhat Vigt Nam, cd tinh da dang sinh hpc cao vi li mdt fron^ cac viing nhgy cam vdi sir thay dii cua cic ylu td thdi tilt cyc doan va hgu thay dii (Tuan & Guido, 2007; Ll Anh Tgp chi Khoa hgc Tnr&ng Dgi hgc Cdn Tha Phan A: Khoa hgc Tir nhien Cdng nghi va Mdi Inr&ng: 30 (2014): 84-93 Tuin & Nguyin Vin Be, 2008; Mainuddin et at., 2010; Apel et al., 2012) Dudi tic dpng ciia biln dii hau, su thay dii luu lugng nude mat tu thupng ngudn sdng Mekong va viee phat trien cac h? thing cdng trinh thuy lpi (phuc vu cho sin xuit nong nghiep va nudi trdng ibdy sin tten toan dong bang) ed the lim thay doi i ^ d n tai nguyen nude m§t hi^n cd ciia toan vimg (Nguyin Hiiu Trung el al., 2012) Do do, nang cung cip nude mat (d$c bilt la cho eac boat ddng sin xuit nong nghiep va diiiy sin) ciia toan DBSCL d hien tai vi frong tuong lai la vin dl dang dugc quan tim Viec phan viing sinh thai nong nghiip dugc thyc hien kha nhieu frIn thi gidi ttong thdi gian qua, ehii ylu dua ttIn dae tinh moi trudng dat (Mertens & Silverman 2005; Leopold, 2010; Fischer et ai, 2012); ttong do, cac ylu tl liln quan din dpng thii ngudn tai nguyin nude mit (dac biet la sy thay ddi theo eae thing ttong nim) vln eon it dupe quan tam (3 DBSCL, phin viing sinh thii ndng nghiep da duge thuc hien tu nhiing nim 1980; nhiin vile phin ehia chii ylu dya tren eac die tinh dja mgo (vi du: Vo Tong Xuin & Matsui, 1998) (Hinh I) Soc Trang la tinh ven bien nim d phia Nam cda sdng Hiu ciia DBSCL va eo dja hinh tuong doi thip vi bing phing Sdc Tring la viing cd nguin tai nguyen da dgng, ti diiu kiln di phit triin kinh ti Trong thdi ^an gan day, bit Igi Idn nhat eho phit triln sin xuit nong nghiep cua tinh bao gom sy thay ddi bat thudng ciia dilu kiln thdi tilt, dac bift la tinh ttgng nggp cue bp tie dpng eua trieu cudng cung nhu sy suy giim tii nguyin nude mat cdng tic xiy dung cic dap ngin Theo kich ban nude bien dang thi Sdc Trang se la mpt 10 tinh d DBSCL chju tic dpng nghiim ttpng ttong tuong lai; cu thi, nlu muc nude bien dang eao met vao n5m 2100, Soc Tring se bi ngip khoang 45% tong dien tieh dit tu nhien ttilu thip vi nggp frIn 72% tdng diln tich dat ty nhiin frieu eao (MRC, 2009; Schmitt et al 2013) Nghiin ciiu niy da duge thyc hien vdi muc tilu tdng quit la xiy dyng ban phin vung sinh thai nong nghiip tten co sd phin tich die tinh cia nguon tai nguyin dat va dpng thii ciia nguin tii nguyin nude mit theo khong gian va thdi gian; cy the nhu sau: Xac dinh hien trang tai nguyen dit, tii nguyen nude mat va hien ttang su dyng dit dai; vi, Danh gia mli quan he giira ddng thai nguin tai nguyin nude mat \ a sd dung dit dai (ttong giai dogn tir 2006 din 2012) — —-so / i ) Cambodia is " jyf Bien ^ "* Tay ^ , =? ''"" ^^t~^^ ""^ft''-""" 4^ Biin Bdng Chij giii: _;_ Mino pliQ sa n w i - H« thAng sA B \ thich f—JRaiihtinh ^ Dii gi6ng cdt ^m Di\ pliu SS Hinh 4: Ban cac nhdm Hit chinh tren dia ban tinh Sdc Trang (dugc c^p nhat nam 2013) b Kiiu su dvng ddt Dudi tic dpng eua ngudn tii nguyen dit va nude (bao gim ci nguon tii nguyin nude mat va mua), eac kieu sd dung dit dai tten dia bin tinh Sde Tring (Hinh 5) cung co su thay doi; do, cic kilu su dung dit dai ehinh ttong hien tgi bao gom: Thim canh Iiia, va nudi ttdng thuy sin nude Ig / man Hinh 5: Ban dd sir dung dit tinh Soc Trang nam 2013 „ I ^ : TT,„ Tap chi Khoa hoc Tnr&ng Dai hoc Can Tha phAn-l Khoa hoc Ttr nhien Cong nghi vd Mdi tru&ng-30 (2014): rnan.-) A/,O 844^ , ^ -• i.;£n vune CO neuin tii nguyin nude mit thay doi theo 3.2 Phan ving sinh tha, nong nghiep ™ S g frong „5m (nuoc ngot t6„ ,1 ti, thang Die tinh sinh thai nong nghiep ttIn dia ban tinh ^^^ ^^^j tj,^ng i nam sau va cic thing Igi Sdc Tring dugc phin chia thinh viing khie ^^^^ ^^^ 1^ nude min) Kilu sd dung dit dai bao gim: Vung man quanh nim, vimg theo ^^^^^^ ^^jg yj^g |^- i ^ vu chuyen mau, nuoi miia, va viing ngpt quarih nam (Bang va Hinh 6) ^^.^^^g ^•j^^y ggj, nude Ig, mpt phin nhd difn tich Vimg - CO diln tich khoang 43.613 ttdng ciy lau nim va rdng (khoang 14,83% diln tich toin tinh) vdi d§c tinh y^^ng - cd dien tich khoang 432.147 nguon tai nguyin nude mat bi nhiem man quanh (khoing 46,94% diln tieh toan tinh) Vdi lgi the nim Kiiu su dung dit dai ehinh cua vung la: liia ^^^^^ ^g^j ^^n tai quanh nim, diy la vung phat mgt vy, chuyen mau, nuoi trlng thuy sin man, ^-^^^ ^j^ng nghiep thuin lgi, phu hgp vdi nhilu mo trlng vi Iim muli hjnh eanh tic Kilu su dung dit dai chinh ciia vimg - Vung - CO diln tich khoing 112.433 la: ehuyen lua (2 vy ho^c vy), nuoi frlng thuy (khoing 38,23% difn tich ciia loan tinh) Diy Ii sin nude ngpt, cay an qui va chuyen miu Bing 1: Kit qua phan viing sinh thai nong nghifp tinh Soc Trang nam 2012 Viing **''**'Ii!h Lo^'S" dung dit Logi dit Nuoi thiiy san (torn, 9.83 cua, ca keo, triing Dit mgn actemia) lc Id le ^ If 2b 2c Min theo miia 2d 3e -Quanh nam - Vy tdm tu thing - thing 7; Dit giong - Liia vy tu thing - thing 11 cat - Mau: td thing 12-thing - Muli: td thing 3- thing - Vy torn tir thing -thing 8; Lua.mau,t6m, n3,„5„ -Liia vutu thing - t h i n g 12 1.20 ^^^.^ Dat mgn ^ i u : tu thing 1-thing - Muli: td thing 3- than'g 1.33 Rimg nuoi thuy san Pitman i - vy Liia: thing - t h i n g 12 0.69 Liia miu,tom ^ ^ ' ° " ^ -1 vu Mau: thing 12-thing2 Z -Tom: - t h i n g - vy Liia: thing - thai^ 12 1.25 Liia, mau, tdm Dit man - Miu: thing - -Tom; t h i n g - 1.37 Trong ciy lio nim Dat phii sa Vimg canh tic vu lua: : Vu (HI „ ft ^i_ - Dit giong Thu): Td thing - thing 7; Vu (Ddng C O Chuyen lua ^., XuSn): Tir thang - thang 11; Vu (Xuan - He): Tu thing 12 - thing Viing canh tic vy Ida: : Vu (He on-^r-k - l:^^ Thu): Tu thing - thing 7; Vu (Dong8.93 Chuyen lua Dat man v - , T- u- o , , , ir i ^v Xuan): Tu thang 8-thang 11; Vy (Xuan -He): Tu thing 12-thing - Vimg canh tae vu lua: : Vy (He 7.01 Chuyen lua Dit phen ^ ' ' * i ' " ; ? " « " " t ^ ^ "i ,^ v ^ l ^ v *-" ^ Xuan): Tu thang 8-thang 11; Vy (Xuan - He): Td thing 12 - thing Vung canh tie vu lua: : Vu (He 7.01 Chuyen lua Bk phi sa i;"";*;* *1",8 ^ " ^ f B ' : Vu (Bong Xuan): Tu thang - thang 12; Vu (Xuan - He): Tir thane - thang Liia, miu, torn, muli Min quanh "Sf" Ljch thdi vu Tgp chi Khoa hgc Tnr&ng Dgi hgc Cdn Tha Phan A: Khoa hgc Tir nhien Cdng nghi vd Moi tru&ng: 30 (2014) 84-93 Vimg eanh tie vy liia: : Vy I (He Thu): Tu thing - thing 6; Vy (Dong Xuin): Tu thing - thing 10; Vy (Xuin - He): Tu thing 11 - thing 0.50 Chuyen liia 2g 0.03 Rimg Dat giong 0.09 Rimg + ciy liu nim Dit khae 0.23 Rdng Dit phen Dit giong Trdng quanh nim 0.11 Chuyin mau 21 2m 0.10 Chuyin miu 1.28 Chuyin miu Liia v i nudi thuy 1.81 Nuoithiiysin 2.05 Trong cay liu nam 0.31 Trong cay liu nim 0.38 Chuyen Ida 14.96 Chuyen Ilia 17.46 Chuyen Ida Ngpt quanh nim 3f 2.64 Chuyen lua 1.22 Trlng Iiia vi mau 1.54 Trlng liia va mau 1.00 Trdng liia vi miu 0.03 Rdng 1.25 Rung Dit Trdng quanh nim Dit phil sa Trong quanh nam Vimg canh tie vu lua - ci: Vu (He Thu): Tu thing - thing 8; culi thing la bit diu tha ea; vy (Xuin - He): Td thing 01-thing 04 Vimg sin xuat vy lua - tdm: Vu (He Thu): diang - thing 9; Vu (Dong Xuin): culi thing 9-thang 12; thdi gian !ai nuoi torn Ditmin -Thing 3-thing 7; thing 8-thing 12." Dit phii sa Dat khae Vung canh tie vu lua; : Vu (He Dit gilng Thu): Td thing - thing 8; Vu (Dong cat Xuan): Tu thing - thing 12; Vy (Xuin - He): Tu thing - thing Vung canh tie vy liia: : Vu (He Thu): Tu thing - thing 7; Vu (Dong Ditmin Xuan): Td thing 8-thing 11; Vu (Xuin - He): Td thing 12 - thing Vung canh tic vu lua: : Vu (He Thu): Tu tiling - thing 6; Vy (Dong Dat phen Xuin): Td thing - thing 10; Vu (Xuan - He): Td tiiang 11 - thing Vimg canh tie vy Ida: Vy (He ; Thu): tu tiiang - thing 7; Vu (Dong Dat phu sa ^^^^, ^^ ^^^ ^ _ ^^^^ j j ; Vu (Xuin - He): Td tiling - thing 4^ - Vung canh tic vu lua - vy mau: Vy (He - Thu): td thing - thing 7; Vu Dit phen (Dong - Xuan): Tir thing - thing 12; Vu mau: Tu thing - thing Vimg canh tic vy liia - vu mau: Vu (He - Thu): tir thing - tiling 8; Vy Dit phii sa (Dong - Xuin): Tu thing - thing 12; Vy miu: Tu thing - thing Vung canh tic vu lua - vu miu: Vy (He - Thu): tu thing - thing 8; Vu Dat khae (Ddng - Xuin): Td thing - tiiang 12; Vu mau: Tir thing - thing Dat man Dit phen Tgp chi Khoa hgc Tnr&ng Dgi hgc Cdn Tha 3m 3n Plidn A: Khoa hgc Ttr nhiSn Cdng nghi vd Mdi tnrang: 30 (2014): 84-93 0.02 Chuyen mau 0.46 Chuyen mau , Liia va nuoi thiiy jp 3q Dit man Dat phen Dit phen Lua, miu, nuoi thiiy Dit phen 0-93 Phi ndng nghiip Quanh nam Quanh nam Viing sin xuit vu liia - tdm: Vy I (He Thu): thing 5- thing 9; Vy (Dong Xuan): 9-thang 12; thdi gian eon lai nuoi torn - vy Liia: thing - thing 12 -1 vy Miu: thing 12 -thing Tom: - t h i n g Dit gidng Hinh 6: Ban d l phan viing sinh thai nong nghiep tinh Soc Trang nam 2012 KET LUAN VA DE XUAT ttg phit ttiln kinh tl - xa hgi eua rtmg vung sinh 4.1 Kit lugn thii, eung^ nhu toin tinh Soc Trang theo hudng In dinh vi bin vthig Kit qui phan viing sinh thii nong nghiip dua tten die tinh tii nguyin nude mit eiia tinh Soc Phuang p h ^ nghien cuu ting hgp (bao gim: Trang da xac djnh dugc 03 vting sudi thii nong (i) Dinh gii nhanh ndng thdn cd su tham gia ciia nghifp chinh: vimg quanh nam, viing ngudi din (PRA), phdng vin nhdm chuyen gia theo miia vi viing ngpt quanh nim; bin canh do, 36 (KIP) va dieu tra nong hp dupe su dyng dk thu thgp tiiu vimg cung di dugc xac dinh Ngoii ra, vile thong tin tir chinh quyin vi ngudi dan dia phuong; xic djnh phin vung sinh thii ndng nghiep dya ttin vi, (ii) HI thing thdng tin dia ly (GIS) dugc su sy biln dgng ciia d^c tinh tai nguyin nude mat theo dung dl thi hifn cic tiidng tm dugc thu tiiip vl khdng gian va thdi gian ^lip cho vifc djnh hudng mat khong gian) dugc xic dinh la phuong phip xay dyng qui hogch su dung dit nong nghifp va nghiin ciiu hieu qua vi dip irng yeu ciu eua myc nudi ttong tiiuy sin - diy la nin ting quan ttpng hd tieu dugc dit Tgp chi Khoa hgc Trucmg Dai hgc Cdn Tha Phdn A: Khoa hgc Ttr nhien Cdng nghe vd -Mdi inr&ng: 30 (201 4.2 De xuat Trong nghien eiiu nay, cic phin vung sinh thai ndng nghifp dugc phan chia dua vao cae dieu Iciln tu nhien vi hf thong canh tic ttong dieu kiln hiin tai Trong tuong lai, dae tinh cua nguon tii nguyen nude (bao gom ca tai nguyen nude mat, nude dudi dit va mua) cd su thay doi, die tinh cua timg phan vung se cd sy thay ddi ding kl, vi vay ein cd nhiing nghien cdu ve sau de mo phdng su thay dii cua eae phan vung sinh thii ndng nghiep hien ed Trong nghiin cuu nay, yeu td nude dudi dat chua duge dua vao nhu mdt phin quan trgng cua phin vimg sinh thii nong nghiip; nhiing nghiin edu ttong thdi gian sap tdi can dinh gii sau hon vl su thay doi tinh chat cua nude dudi dat len he thong sin xuit ndng nghiip vi thuy sin d timg phan viing Ngoii ra, cin cd nhimg nghiin ciru sau ban ve quy hoach sd dyng cic tieu vimg smh thii vi cd nhung nghien ciiu thue nghiem de de xuit dinh hudng eho eac hogt dgng sin xuit ndng nghiep va thCiy sin hgp 1^ hon doi vdi timg tilu vung sinh thii TAI LIEU THAM KHAO Apel, H., Viet, N., Delgado, J M., & Merz, B (2012) Future flood hazard under climate change in the Mekong Deha, EGU20I2-10 ARCC,M.(2013) Mekong Adaptation and Resilience to Climate Change (Mekong ARCC) Sponsoring USAID Offiee: USAID/Asia Regional Environment Office FAO (1996) Agro-ecologicgl zoning: Guidelines FAO FAO (2005) Agro - Ecological Zoning and GIS Applications in Asia with special emphasis on land degradation assessment in drylands, FAO Fischer, G., Shah, M., & Harrij van Velthuizen (2012) Agro-ecological zones assessments Land use, land cover and soil science Vol.111 Le Anh Tuan, & Nguyin Van Be (2008) Hgi thio "Cic van dl mdi tnrdng vi phit ttiln bin viing vung Ddng bang song Ciiu Long", Dgi hpc Cin Tho, Viet Nam, 02/5/2008) Le Anh Tuin & Guido W (2007) Action plan for the muhi-Ievel conservation of forest wetlands in the Mekong River Delta, Viemam Proceedings in the International Congress on Development, Environment and Natural Resources: Multi-level and Multi-scale Sustainability, Cochabamba, Bolivia Leopold, A (2010) Agroecologieal Zoning in Brazil incentivizes more sustainable agricultural practices The joumal of Economics and Biodiversity Mainuddin, M., Hoanh, C T., Jirayoot, K., Halls, A S., Kirby, M., Laeombe, G., & Srinefr V (2010) Adaptation Options to Reduce the Vulnerability of Mekong Water Resources, Food Security and the Environment to Impacts of Development and Climate Report to AusAID Change 10 Mertens, M & Silverman H (2005) Agoecological Zone Analysis and Evaluation of Correlated Crops m 2030 in California, (October) i MRC (2009) Adaptation to climate change in the countties of the Lower Mekong Basin: regional synthesis report Vientiane, Lao PDR: Mekong River Commission 12 NAFRI (2006) Handbook on Agroecosystems Analysis and Agro-ecological Zoning, A tool for district landuse planning National Agricutlure and Forestry Research Institute PO Box 7170 Vientiane, Lao PDR 13 Nguyin Duy Cin, & Vromant N (2006) Tii lieu khuyen nong PRA (Participatory Rural Appraisal), Trudng Dgi hgc Cin Tho 14 Nguyin Hieu Trung, Vin Phgm Dang Tri, & Vd Thi Phuong Linh (2012) Phin vung sinh thai nong nghiip d DBSCL: Hien ttgng va xu huong thay doi frong tuong lai dudi tic dgng eiia biln ddi hiu Hp thao quoc ti Viet Nam hgc lin thd IV IS.NguylnHQuNinh, Vii Kien Trung, & Nguyin Xuin Nifm (2007) Flooding in Mekong River Delta, Vietnam Human Development Report 2007/2008 16 Pal, D K., Mandal, D K., Bhattacharyya, T., Mandal, C , & Sarkar, D (2009) Revisiting the agro-ecological zones for crop evaluation, dP(4), 315-318 17 Pham Le My Duyin, Vin Pham Dang Tri, & Nguyin Hieu Trung (2012) Danh gii su thay ddi cic hi thing canh tic dudi tic dpng cua Biln ddi hiu vi nude biln Tap chi Khoa hgc Tnrang Dai hgc Cdn Tha Phdn A: Khoa hgc Tu nhien Cong nghi vd Mdi Iruang 30 (2014): 84-9^ ding d huyfn VTnh Chau, tinh Soc Tring Tgp chi khoa hoc Dgi hgc Cdn Tha, 24a 18 Quttoz, R., Zorogastua, P., Baigorria, G Barreda, C, Valdivia, R., & Cruz, M (2000) Toward A Dynamic Definition of Agroecologieal Zones Using Modem Information Technology Tools, 361-370 19 Schmitt, K Albers, T, Pham, T T, & Dinh, S C (2013) Site-specific and integrated adaptation to climate change in the coastal mangrove zone of Soc Trang Province, Viet Nam J Coast Conserv DOI 10.1007/sI 1852-013-0253-4 20 Simpson, J R (2005) Urbanization, agroecological zones and food production sustainability Agriculture vol 22 No.4 233-239 21 Van Pham Dang Tri, Popeseu, I., van Griensven, A., Solomatine, D., Trung, N H., & Green, A (2012) A study of the climate change impacts on fluvial flood propagation in the Vietnamese Mekong Delta Hydrology and Earth System Sciences Discussions, P(6), 7227-7270 doi:10.5194/hessd-9-7227-2012 22 Vo Tong Xuan & Matsui, S (1998) Development of farming systems in the Mekong Delta: JIRCAS,CTU, CLRRI Vietoam ... eho cie phin vimg sinh thii nong r^hifp frIn nin ban hien ttang sd dyng dit dai nam 2010 cua Sd Tai nguyen va Moi trudng tinh Soc Trang Cae don vi bin dd eiia bin phan viing sinh thii ndng nghiep... vune CO neuin tii nguyin nude mit thay doi theo 3.2 Phan ving sinh tha, nong nghiep ™ S g frong „5m (nuoc ngot t6„ ,1 ti, thang Die tinh sinh thai nong nghiep ttIn dia ban tinh ^^^ ^^^j tj,^ng i... g Dit gidng Hinh 6: Ban d l phan viing sinh thai nong nghiep tinh Soc Trang nam 2012 KET LUAN VA DE XUAT ttg phit ttiln kinh tl - xa hgi eua rtmg vung sinh 4.1 Kit lugn thii, eung^ nhu toin tinh