tqp cfit
Transcription
tqp cfit
rssN 1859-4581 tqp cfit S cience anf,Te c frno fo W J ournaf of Agricufture st, Kuraf Devefopment MINISTRY OF AGRICULTI,RE AND RI.]RAL DEVELOPMENT, VIETNAM 2015 MUC tUC TAP CHi D EGEIEF & PHA| fRTEfl'{OTE EOEE IEATT tss{ taflt - 4!i8l o 3-il s6n ti;fj;, ulang XUAN THj THU THAO, HOANG XUAN PH{JoNG, HO THI LA[/ TRA, 11-i5 NG_UYEN 0U0C NGHI, lVAt VAN NAM. Tac dOng crla ngudn luc xudt d6n hieu gua kt thuat cOa nong h6 ngheo trdng khom a NAM THO MUoI LAM - ddn NGUYEN THI Kllr/ ANH, VU T0 BANG. C6c nhdn t6 6nh hrrdnq tiep can r'n dufg chinh tnic cda nong ho kong lda t;nh Kien Giarig 16 24 HiQu-qui srl dr;ng d6't cria nOng hd sau tich tu ddt nOng nghiep tr€n dia bdn tinh Nam Dinh sd 224 rAM 2o1s XUAT BAN 1 THANG 2 KY NGUYEN TH NIIC, I'IOUYEI'I TRONG PHLIOC, BUI CHiB(ru. tudng t6c kidu gien ve m0i trudng lCn n5ng sudt crla bO gidng l0a n6p lren cac vrrng sinf thd, khac nhau cia dcjnq bano sonq Cru Lono 25 LE HdNG EN, NGUvEN IHANH ivEt,-re H-Ar, r,rtuyEr,r HOANH PHoNG, tE VAN IOAN, NGUYEN VAN KET, Nqhien cfu ch6 32.3s SU inolrc rdNc erEN rAp rs. eOr Huy xrEN Df: 04.38345457 31 tao vat 'ieu sieu hap tru nudc bang ki thuet ghep br_rc xJ monome lan nltdc ICn mun xd dra va budc dau d6nh gia hiou qua sil dung l6n cay cd pho chd ( Coffea arablca) trao LE vAN TRONG, V0 THt THU HleN. Nghicn cfu mdt s6 chiti6u doi nudc liCn quan d6n ndng sudt c0a mot s6 gidng lac ( Arachls 40-46 hypogaea L.) trdng tai Thanh H6a rAr ANH THr-t, NGUYEN tvtNH HOANG AN, NcuyEN vAN oui. dung m0 hinh Aquacrop trong md ph6ng ndng suet cay dau niinh hdng trong dieu kien st dung nudc trdi NGO HdNG BNH, NGUYEN THI THU HUoNG, NGUYEN IHI BicH sir ex6 r6r'tc e:Et r4e plau xA lsAr Pf: Q4.37711070 rn.s orJono rlerun lAr 47-53 HONG, T"Hl THANH THAO. K6r que nghidn crlu dac didm -NGUYEN sinh tru6ng, phet tridn c0a gidng teo 11 Tao 0S HOANG THI NGA, DAN/ THI THU HA, LE IHI THU TRANG, LA NGHIA, NGUYCN THI NGoc HUE, NGUYEN THI THOY HANG, D6 DT: A4.37716634 TUAN roA soAN - TRI Sv Sd 10 Nguy6n COng Hoan Quan Ba Dinh - Ha N6i Dfi 04.37711072 64_69 HA THU. Nghien cuu da dang di truyen mot sd ngu6n gien c6y sen (Nelumbo nucifera Gaenn.l d Vi6t Nam balg chr t1i SSR quy HOANG THI LE HANG, NGUYEN THI THU HUONG. Nghidn cfu tflnh che bien bot dirn oudng dung cho ngud cao tudi tu cu khoai lang Fax:04.37711073 7A-77 tim Nhat B;n (qiona Murasaiimasiri) E-mail: [email protected] Website :lyww.tapchikhoahocnongnghiep.m TRUONG THI I\4ONG HIEN. Nghien ca l6c BO pHAl,t THUoNG TRUC IHU, NGUYEN THI NHU HA, TRAN THI THANH cfu fng dung enzym bromelain tho trong mrc LA VAN KiNH, vLroNG NAtv TRUNG. Anh huano cia cac kho6ng, vitamin vd can blng di6n gi6itrong kfrdu pndritOi sOc sdn xudt 135 Pasteur Quan 3 - TP. Hd Cni Minh 78.85 sen xudt m5m B6-93 cUa idn thit DT/Fax: 08.38274089 XUAN DINH VAN DONG, LE DiNH PHUNG, LE DIJC NGOAN, NGUYEN BA. NGUYEN HW VAN. Anf'huolg cia mrJc pr0tein trong thdc a1 tinh den phat thai khr me tan d bo vang Viet Nam nuoi vo b6o 94_1OO _HI Giiy ph6p s6: 4OO|GP - BVHTT B0 Van ioa - Th6ng tin cdp ngay 28 thang 12 nam 2000. NGUYEN THI OUYEN. NGUYE\ KIIV LAN: NGUYEN THI NGAN. 101- 106 NGUYE'! VAN BANG, HOANG VAN HIEN. IVotdba oa aiuntronkVsinh d duong tieu noa cda cho tai Phu Tro VtJ KHAC HUNG, DUoNG VAN OUY BiNH, NGUYEN THI THU fi7.112 GIANG. TRINh THI THU HANG, DUONG BA IHANH DAN. Vi |(hUJN Nocardia sp. gay oenh don kSng ci ca chin vay vang ( Trachinotus Eiochii) nuoi tl-uong pl-dm tai not so ttnh Duyen hai NJm Trung bo botca NGUYENTHI NGOC ANH. Anh huong c0a vi6c thay ih6 protein bang protein rcng bin ( Entercnoeha sp.) trong tluc dn cno ca ro phi O reoch romi s niloti cu s) NGO THI VAN ANH, TRAN L|EN HA. pHi THANH [,lAt. ]\4Ot sd ydu t6 113-119 ( G6ng ty cd phd:r Khoa hoc c6rg nghQ vi Hoing Qudc V:et Dia ch?: Sd 18 Hodng eudc Vi€t, Nghia 96, Cdu Gidy, Hd Ndi Gie: 20.000d anh 120.12: huorg ddl vi khLdn Laclobacl/us plantarun Si co (ha rang len ren san xuAi axit lactic tuxelobioza IHU HUONG, NGUYEN VAN TUAN, DLToNG VAN HIdU, Lien k6t ing cay gidng trong rung sdn xJ6t tinh Dong Nai TRA\ VA\ CON, NGUYEN IOAN IHANG, VU TIEN LAIV, TRAN HOANG OUY. Arh h.rong cua ki lhuat ghdp den ry le song va s rts t'Udng choi ghep loai De ann 1 Castanopsis prifory,s J,:-- t VU tro'r-g cnuoi cung A.Camus) LE ANH HUNG. Ph6n cdp phdng hO cho cac toai hinh srl dung ddt iArn nong nghiep vung d6i nui luu vuc song Thu Bdn fr = T KHOA rrgc CoNG lroHl rAc oOrue cun ruaudru lu- c sAru xuAr oEru rnEu auA xY rHuAr cun ruOruE HO rueuEo rndrua xudpr s rirulr nEru ErANG Neuycn Qudc Nghil, Mai Ven Nam'z l6MTAT Mgc ti€u cria nghi€n cftr ndy nhim danh gid tr4,c dong cria ngudn ft1c san xudt atdn hieu qua ky thuat cta ndng hQ nghio trdng kh6m (dria) d tinh Tidn Giang. Thdng qua c6ch tidp cAn 2 buoc (two-step approach), nghien cft-l rl,ng dung m6 hinh DEA (Data Envolopment Analysis) vd phan tich MLR (Multiple Linear Regression - Hdi quy tuydn tinh tla muc ti€u) nhim gidi quydt mqc tiou da dat ra. Dn leu nghicn cf'u aluaa thu thap tu 98 hO nghdo trdng kh6m d vung nguyen lieu kh6m Tan Phuoc, tinh Ti6n Giang, noi co vung chuy€n canh khom lo,n nhdt tldng bing sdng Ciru Long. Kdt qua phAn tich cho thdv rang, hieu qul ky thuit cta hd nghdo trdng kh6m dat dugc tuong ddi kh6 tdt, mdt sd hO nghdo dqt alugc hieu qua ky thuat tdi uu. qui ky thudt cua Quan trong hoTr, kdt qui phan tich da chi ra 4 ngudn luc quan trong inh hudng ddn hieu kg thuitvd di6n tich s6n d6 tidp can h6 ngheo trdng kh6m ld: kinh nghiQm sin xudt, trinh do hoc vdn, mric qul cta h0 nghio ky thuat xudt. Trong d6, ydu td mtc dO tidp c4n ky thuQt tac tlQng mqnh nhdt ddn hi€u trdng kh6m d tinh Tidn Giang. Tirl<h6u Hi€u qai I{ thuit, ngadn luc sdn xuAt sdn phdm khdm, ndng h0. t.oiT uiifl08 N6ng nghigp vln la mot khu vuc quan trang ddi voi su phdt trien kinh te - xa hoi o rung tl6ng bang song Cuu long noi chung va hnh Tien Giang noi ri6ng. la mot trong nhting dia phuong duqa thien fi€n uu d6i, nhidu ndm qua, nganh nOng nghi€p tinh Tidn Giang kh0ng chi g6p phan thuc hiOn vai tro rlAm bdo an ninh lusng thuc ma con la noi cung cap sin hrong trai cdy lon nhdt trong ving. Nhidu loai b:ai c0y -gan voi ten tu6i clia tlia phuong tla dqm bi6t tl4c san ddn trdn pham vi ci num nhrr xodi cit Hda L4c, vti Rdn, thanh long Chq Gao hay kh6m T2n Lap. sfa Ddc bi€t, voi dien tich san xudt kh6m hon 15.000 ha, Trdn Giang tla trd thnnh vung chuy€n canh kh6m ldn nhdt cri nurc. Hang ndm, Tidn Giang orng cdp cho flri b-uong khoring 260.000 tiin khom ddp riTrg nhu cdu ti6u dirng trong nu6c vd xudt khdu. Hon 20 nam gdn ll b6 voi ciy kh6m, nOng h0 tr6ng kh6m 6 tinh Tidn Giang tla c6 nhidu kinh nghiQm trong phuong ph6p canh tilc. Tiry nhiOn, hoat tlQng sln xudt kh6m cira nhidu nOng hO van cdn khdng it kh6 khdn, ddc bict ld ndng h0 nghdo bi han chd vd ngudn luc sln xudl Theo Marsh et al (2007), nguoi nghdo 1d ndng din thudmg chidm tf lO 1on vd ho thudng thi6u kg thuat san xudt do bi han chd vd ngudn lqc san xudl Ntun 2014, $ le h0 nghdo tai vung chuy€n canh khdm Tan Phuoc, tinh Tidn Giang lir 17,4%. DE ld mdl trong nhung thech ftrrc md tlia phuong cdn phii vrryi qua il6 dat duoc muc ti€u xiy drmg vung chuydn canh kh6m theo hu6ng san xrdt tidn tidn. Dd dal tlu.c diilu do, vicc lam tnroc m6t li cdn phai ci,i thic. n ngudn 1r-r: san xudt cho h0 nghdo. Chinh vi thd, muc tieu dimh gie tic ddng ora ngudn lus san xudt ddn hi€- u qui kt thuat cia h0 ngheo trdng kh6m le rdt cen Ori6L Kdt qui nghi€n criu s€ ld co s& hhoa hoc quan trqng dd nganh nOng nghiQp Tidn Giang tham khio, xiy dtmg chrrong trinh hanh dOng nham niing cao n;ing luc sin xudl. cdi thi6.n hic. u quA ki thuat cho h0 nghdo tr6ng kh6m. 2. PffiTSNUiP]*IGIHfi' 2.1. Dt lieu nghien dm irm ndy tlurc thu thap hr cuOc tlidu tra tnrc ti6p 98 nong h0 nghdo trdne kh6m 6 huyOn Tan Phuoc, tinh Tidn Giang. C6c ndng hd nghdo trdng kh6m duoc chon theo phuong phfp Dir li-eu cria nghiOn thuan tiOn c6 tlidu kiQn (tlia ban hanh chinh va qui m0 canh tlc). Edi tuqmg duoc chen ph6ng vdn tr.rrc ti6p ld chir h0 - nguoi tuc tidp tham gia san xudt vd quy6t tlinh diu tu sdn xudt khom. MOl sri thong tin chung ve tlac ttidm cira hO ngheo trdng kh6m 6 tinh Tidn Giang du.oc finh briy fong bang 1. ti5 - qTKD, Trudng Dai hqc Cdn Thrr Sau Dqi hgc. Truong Dai hoc Can Tho Khoa Kinh :' Khoa t5 NONG NGHTCp vA pxAr rnlE'tt NONG IHON - Ki I - THANG l0/2015 l1 KHOA Hgc cOilG NGHi Bang 1. Neudn lrrc sin xudt cia nOng hQ nghdo khom d huyOn Tin Phurc Ti6u chi Don vi tinh Sci nhrin khdu lao tldng sin xudt khdm Didn tich trdng kh6m Sd ndm kinh nghiOm Trinh tld hoc vdn cria chrl h0 Trung D0 bch binh chudn Neuoi/h0 4,00 1,665 Nguryi/hd 2,00 0,959 1.000 m'z 9,08 9357,242 l\ am 6,82 l\am dl hoc 5,61 Nguon: So lieu rlieu tra ctla ncgid, nan 2.2. Phuong ph6p nghicn criu 5,108 3,098 20/j Nghi€n cdu n:iy tluoc thuc hiOn theo phuorg phap tidp can hai giai doan (two-step approach). Ddu ti6n, dd do ludng hidu qu:i ky thu6t cira h0 ngheo trdng khom, m0 hinh DEA duoc ri'ng dung. Sau do, c6c ydu td li6n quan ddn ngldn luc sin xudt crla hd nghdo trdng kh6m (trinh rl0, kinh nghi€m, lao ddng gia clinh, muc rl0 tidp can kt thuat vd di€n tich sin xudt kh6m) duoc dua vio md hinh hdi quy tuydn tinh da bidn nham giAi thich su thay rldi cria hidu qui lry thuat. 2.2.1. Uic luqng hipu qu:i ky thu6t bdng m6 DE4 hith DEA (Data Envolopment Analysis) ld mOt phuong ph6p phi tham sd uoc luorlg hidu qui k! thuAt cira chir thd san xudt trong n6ng nghi€p. DEA la mOt tip hqp phuong trinh tuydn tinh iluoc lAp trinh boi Fanell (1957) dd tinh toan biOn phi tham sd va hi€u qui cu thd bang cach so sriurh ddu vao vi aldu ra co aluoc trong qu6 trinh sin xudt cia m6t ,,alon vi ra quydt tltnh" (hd sAn xudt). Theo Farrell (1957), hicu quA lq; thudt duoc thd hicn bing ti sd giaa nang sudt thuc td va nang sudt tdi da ma n6ng hd c6 thd ilat duoc trong didu ki€n ky thuat va luo,ng dAu vdo hidn tai. DEA sE xdc dinh duong bi6n hi€u quA chung cria ciic hd sin xudt vA didm hi€u qud ki thuit crla h0 niio nam tren duong bien ndy duoc cho la dat hieu qud ky thuat. Theo d6, Coelli (1996) da phrit tridn mot chuorg trrnh mdy hrlh (DEAp) de thuc hien mo hinh DEA manh m6 hon vni nhi6u lua chon khdc nhau thdng qua da giai doan (Alemclar vd Oren. 2006). Trong nghien crru nay. mo hrnh DEA dinh htrons dau vao theo quy mo co dinh duoc t}iet lap nhu sau: t2 NONG NGHtEp vA pnAr TE, = min\O,. Rdng buOc: -! + y), > 0; 0; )':0. 0,X,_ Xl ) Trong &i: X uA Y lin ltet lA vector dAu vdo v) vector diu ra; 0, 1z) hi€u qui lrV thudt crta h0 thft i theo quy md cA' dinh; ). (tLrl) drcrc xzic dinh boj mdi quan h€ tuydn ttnh g:ina ciic h6 siin xuil't kltom cins nhom vot ho thu i: vtyi 0._0.< /; niu 0.= l ttti ho clang sen xuAt ten duong bi€n higu qut4, do dd h6 se dat higu quti kl tltuet Ngrqc Ia, ndu 0,<1 tH h6 chua dat hi€u qui kV thuAt 2.2.2. MO hinh h6i quy tuydn tlnlt xzic dinh mic dQ tic &)ng cia ngu6n lqc srin xu lt ddn hi€u qud lc, thuit c a hO nghio trdng khdm Trong n0ng nghi€p, cric ydu td lien quan ddn nguon luc san xuar khd da dang va chting co the ton tai ducri hinh th6i vAt chdt ddt dai, phuong ti€n sin xudt, ngudn luc lao ddng (Marsh et al.. 200D. Vicc tln dgng hqp l]t cac ngudn luc sAn xudt se mans lai hieu qu6 .r. trong san xuat nong nghiep. Tronfdo, ngudn nhin luc hay ngudn luc lao ddng tluor: xem ld y6u t0 quan trong hang tldu. Ngudn luc vd con nguoi duo'r: thd hien khdng chi bang sd luong ma con bine chdt luung suc lao dong duoc sti dung vdo nOng nghi€p. Chdt luong lao rl6ng g6m cA nhnng y6u td vd tri thtirc, ky ndng, kinh nghi0m. B6n canh do, trinh d6 hoc vdn duor xem ia van de then chot trong su phat tri6n, trinh d0 hoc vdn cao giup cho ndng hO tang cuong khA ndng nim b6t thOng tin, dd dring img dung khoa hoc Lg thuat vao sAn xudt, su dung hidu quei cic ngudn luc ddu vdo, tlidu tl6 girip nOng din canh tac nOng nghi€p tlat hidu qui hon fiIuffrnan. 1977; Foster vd Rosennveig, 1996: yang, 2004). Ngodi ra, trong trdng trot, ddt dai la tu lieu sin xudt chri ydu va khdng th6 thay thd duoc, quy mO ddt dai nhidu hay it cnng ld ydu td anh huong ddn hi6u quA san xuat cua nong ho (Nglyen The Nha va Vu D;h Thing, 2004). Dua vdo cdc thdng tin li€n quan vua duoc luoc khio, theo do mO hinh hdi quy tuydn tinh duoc thi€lt lAp nhu sau: TE= Bo + BI{INHNGHIEM + BTTRINHDO + BTTIEPCANI{T + B4L4ODONGGD + BpIENTICH Trons: dd: p, lA hQ s6'@t (hdng s6); /l,le lte sd tiic dQng' cia cic bidn dQc ljp dd.i voi bidn phu thuAc. Y li bien phu thuoc rtuoc do luong btlng.iiCu qua l<J, thuQt cfia hQ ngheo sin xueT kh6n. Czic bidn dQc I|p KTNHNGHIEM TRTNHDO, TIEPCANKL LAODONGGD, DIENTICH duo. c tli6n g:itii cu thd nhu sau: rnrE"ru NONG THON - KV I _ THANG to/2ots ]' Bdng 2. Di6n gini c6c bidn tlQc l{p trong md hinh hdi quy trydn tinh ao va thti i i mdi cing , Bidn sd .KINHNGHMM Dm vi finh Nam iHocvaN Nem ;TIEPCANKT Lan ) amg :e o2r a dat ,m*c uew oen C ton r san vlec rg lar g oo, :m la rguoi bing r0ng TAODONGGD ,nmNlCft 3. IGT Bing ti DO+ )H eso udc. drt rKl thd - 0,70 -0.79 0,89 nf) n1ng hO) nf) 19,39 7.729,79 7,t4 r429 1.736.51 n,o5 1.740,10 21,87 1.790,01 42,70 0,5 - 0.59 20,41 1.612,99 %,57 t.7u,6l 115,18 <0,5 3,06 1.583,04 293.73 (r9) 1..717,57 60,06 0,,1&1,00 925,0G 2.352.94 540,18 0,60 nffi, 0,99 0,80 0,69 lrung binh G{OTI.]) )0 rong 0,77 0,00 - )0 lOch chudn 0,16 2.45.98 113.73 Nga6n: Kdt qui phdn ach DEA tu sd lieu khlio s4t nAm 2014 Ghi chn: (HQTUs): sd ha dat hieu que 6i uu Chi sd hieu qui ki thuit theo m0 hinh DEA tniong hap tdi thidu h6a ddu vdo nim trong khoang tu 0 tldn bing 1. Ndu he sd ndy bing 1 c6 nghia 1) h0 san xudt kh6m tlat hicu qui ki thuat tdi uu, nh6 hon 1 co nghia ld h0 chua dat hi6u que ky thuat. Kdt qui phdn tich cho thdy, hiOu qul kg thuat cira h0 nghdo sAn xudt kh6m dat tluqa ld 0,77 voi d0 rong NONc NGHTEP vA pnAr hrinh tidt ki6m vd dat hi€u qui vd kg, tfiuit- Ben c.anh tl6, sd hd dat hieu qua ky thuat t6i ru (IE = 1) chi chidm 19,39% tren tdng sd h0- Yoi mric ndng sudt kh6m hi€n tai, ndng h0 nghdu da iang phi gAn 30% cfc y6u t6 nhAp iuong. Chi ti6t tung y6u td tlu. c trinh bdy trong bing 4. Ngoai ra, voi mric hi€u quA kf thuil dat duqc chra tdi uu, hd nghio ala ll6nh mdt phan ning sudt c6 thd tlat tldn ndu bi& sri drlng ciic ngudn tldu vio hqp 11j hon. Trung binlr" h0 neheo da dlnh mdt ldroing 60,06 fu L*r6ml1.000 m2 trong truong hqp san xudt theo phuung phip hien tri. Muc sin h.lqng bi mdt cao nhdt len tldn 5110,18 kg/1.000 m'z- C6 th€ thdy rang, n6u nhu hi€u qui kt thuat crla ndng hQ nghdo tl4t tluoc cdng cao thi ning sudt kh6m bi tldt thodt cang thdp, ttdng thoi sq lang phi cdc ydu t6 ddu vdo trong siin xudt c-nng s€ it hcm. Bing 4. Lr@g leng phi c6c yCu td tldu vALo iua h0 kh6m ISng vio Thrrc tC Gidng (cayl1000 ml Phan b6n (kel1000 m1 2.U7,56 83,60 87.80 14,00 Ihudc BVTV 0itl1000 m'?) Khi de ftg/1000m1 Nhi€n lidu (htl1000 m'z) 78,43 32,U 0,57 0,14 2,65 0.68 Lao dong thu€ (nedv/1000 m'z) 2,00 0,18 Ddu kha 16rr (0,479 - 1,000). Chi sd ndy cho thdy, voi muc nang sudt tla dat duqa thi nOng hd chi cdn sit dung [5 luong dAu vio da dung. Nga'.ii 14 kdt qua cung n6i len rdng h0 sAn xudt kh6m c6 TE nhti hon 1 nen tidn hanh eiam thidu clc ydu td tfdu uio tf6 thuc 77% qui kf thuit vri ning sudt cua hO nghdo kfi6m qud HiQu Ning sudt Neng sudt kgthu4t thqc td bi mdt hi€u qui (yte % (kc/I.000 (ks/l.000 0,90 dan tinh IIGIIEII HIIJ U[ ilAO I.UIN 1,00 fmg hi9u vtra tlui 3. Hie,u Gid tAng )inh Tudn KiCt. Hr,ra ffinTni (2013) 3.1. HiQu qun ky dru& cua h0 nghdo bdng kh6m phat qua 1000 m'z cuu ndo xudt t oar Ngdy/vu Ngudn: Tdng hqp crta Lic g:iti t0 vC )04). Di€n siei biCn Neudn minh chdns tri tuong ring voi sd nim kdng Yans Qmq,Hufflll,ffi (lW7), kh6m cria nguoi san xudt chinh Foster & Rosenzweie (1996) gi6 Nhan ti h"iong ring voi s6 ndm tl6n Yang (2ffi4), Huturn (1974, truorne cuangu0i san dt chinh Foster & Rosenzweie (1996) , Nh6n gi:i tui tuong rmg sd lan tham du Nguyen Vtu Song (2$4, Quan tAp hudn ki thuit cua nguai san xudt Minl Nhut (2010) chinh trong m nghidn oiu Nhan gi6 tri hrorg ring voi sd ngay cong Hulnh Truong Huy & I-c Tdn lao tl6ng gia dinh phuc rn sin xudt Nghicm (2008) kh6m Nhan gia tri tumg (mg voi di€n tich san Nguycn Th6 Nh6, Ve Dinh Kudt kh6m cAa nong h0 trong \,L nghien Thdng (2004), TrusEg Hdng Vd Nhan giA Dhi Lao tlOne sia dinh (nsdv/1000 m'?) t2,32 1.71 Ngu6n: Kdt qui phan tich DEA nr sd ligu khio sit ndm 2014 TRtdN NoNG THON - KV I - THANG to/2ots lj KHOA IIOC GOilG ilGHE qui 3.2. Srr,lic dQng cua ngudn lrc san xudt ddn hi€u lri thunt cua n6ng h0 nghdo trdng kh6m Kdt qui ph6n tich hdi qui cho thdy, mric 1i nghia cria m6 hinh = 0,00 nh6 hon rdt nhidu so voi muc c = 1%, vi th6 m0 hinh hdi qui tluor: thidt lap phi hqp, hic ld c6c ydu td ngudn lrrc c6 inh huong ddn hi€u quA ki thuat. Voi d0 ph6ng tlai phuong sai grIF) cia c6c bidn trong mO hinh nh6 ho,n 4, c6 th6 kdt ludn m0 hinh khOng c6 hiOn tumrg da c0ng tuydn (Mai Ven Nam, 2008). Ddng thcri, kdt quA kidm dinh Hettest c6 gi6 tri Prob>Chi, lon hon rdt nhidu so voi mric f nghia n =5% n€n c6 thd kdt luAn m0 hinh khdng bi hien tugng phuong sai sai sd thay tldi. He sd F hieu chinh = 0,198 c6 5i nghia ring 19,8% sq bidn thi€n cira hicu qui ki thuAt duoc giii thich bcri cac ydu td 1i0n quan tl€jn ngudn luc siLn xudt. 5. I(6t I(6t quA ohan tich hdi tinh tla bi6n Bi6n tlQc l{p i He s6 (B) Gi6 Mrtc tri t nghia 0,0045 He sd YIF {INHNGHIEM IRINHDO IIEPCANKT 3.81 0,000 1,12 0,0126 5,95 0.000 1,07 0.0565 8.76 0,000 1.06 JODONGGD ]IENTICH 0.0006 0,56 -0.0029 -3.74 0.578 1,03 0,000 1,02 ling sd le sri ffhieu 0.6382 31.18 0.000 chinh 0,198 >ig.F cda mo hinh flettest @rob>Chi) 0,57E 0.000 Ngu6n: Sd lieu di6u h'a oia tic gjti, 2014 Dua vdo kdt quA phan tich cho thdy, trong 5 ydu td tlua v;io md hinh thi c6 4 ydu td anh huong ddn hi0u qui kt thuat cira hd nghdo trdng kh6m. Didu cho thdy rang, c6c ydu td lien quan ddn ngudn luc sin xudt, tlec bi€t la ngudn nhin luc ld rdt quan trong ddi voi hi€u qui ky thuAt cria h0 nghdo trdng kh6m. Mric tld tac ddng cria tung ydu td rluoc giai thich cu thd nhu sau: ndLy Mti'c d0 tidp dn kI thuAt QIEPCANLT) dtroc xem la ydu td c6 su anh huong quan trong nhdt tldn hi€u qui k! thuat cua hQ ngheo trdng kh6m. H€ sd Lic dOng cua bidn sd niy c6 tac ddng duong ddi voi hiQu qui ky thuit 6 mrrc f nghia trong didu kiQn aic ydu td khac khOng ddi. Nhu vdy, c6 thd thdy dng ndu h6 ngheo duoc tidp can cang nhidu voi cac chuong trinh tAp hudn, hoi ftao, chuy6n giao ti6n bd k! thuit thi hi€u qui ky thuAt cua hQ nghdo sC duoa nang cao. Didu nay cho thdy var fd quan trqng cua tidn bd ki thu{t trong vicc nang cao ndng sudt san x:udt kh6m. Ydu tii quan trong thu hai co mrrc d0 anh huong khdng nh6 rldn hi€u qui ky ttruat I4 1% cira hd nghdo trdng kh6m ctinh ld h.inh d0 hoc udn SRI ryIDO).Bien sd ndy c6 h0 sd tric ddng duong vd c6 f nghia th6ng ke d mric 1%. Trong tlidu kiOn cic ydu td khric khOng tl6i, ndu trinh tld hoc vdn cua h0 nghdo trdng kh6m tltror: cai thi€n thi hiCu qui lri thu|t se tluoc ndng cao. Chung minh nay phri hqp voi kdt qui nghidn r-- cuu cua Yang (2004), Huffrnan (1970, Foster va Rosenzweig (1996). Day h ydu td can rlum xem trong ndu mu6n xAy drmg mdt ndn nOng nghiQp hi6.n d4r, ti€n tidn. B€n canh d6, kinh nghi€m sin ruA:t (IilNHNGHIEM c&a hd nghdo ctng tac dOng tich crrc tldn hiCrr quA ky thuit vd bidn nay c6 y nghia thdng k6 6 mdc 1%. N6u nhu ciic y€lu td khac khOng ddi, sd nem kinh nghi€m trong hoat d0ng trdng kh6m cdng cao, dac bict ndu hd ngheo bidt kdt hqp voi kidn thrrc tidn bO k! thuAt thi hi€u qui .:r.-: -:_;er ki thuat se aing tdt hon. Trong khi do, die,n h'ch sdn xudt (DIENmCI, clng c6 1i nghia thdng kC 6 mtrc 1%, tuy nhi€n didn tich lai c6 Lic along am ddi voi hi€u qui ky thuat cua h0 nghdo trdng kh6m. Tu thuc td, tli6u ndy c6 thd tlurc g:ii thich trong rlidu kidn bi Sroi han vd c6c ngudn luc sin xudt ndu tdng dien tich canh tac thi khi neng thidu ngudn lrrc san xudt ngdy cang trdm trong. Ho,n thd nira, $, srl dung ciic ngudn lrc tldu tu kiri tAng qui m0 cfrng khOng kha quan n€n anh huong ti6u crrc tldn hi6u qui ki thuit cia nong h0 nghdo. Ngoai ra, m{c dir ydu ttt lao dQng g:ia dkh (IAODONGGD) khdng c6 nghia thdng kC, tuy nhi€n ddu crja h0 sd kha nang quan 1,. r) :-r:n l:lg i :iOn ( :3rar Jhar j u6c luo'ng cira bi€in ndy c6 gid tri duo,ng, cho thdy su tiic tldng tich crc cia lao dOng gia dinh ddi voi hi€u qui k9 thu4t trong sin xudl Trong chimg muc niio tl6, lao ddng thu€ aluor cho ld kh0ng hidu qui bing cOng lao rlOng gia alinh, bd chinh chri thd san xudt moi c6 nhidu tdm huy6t vii su nhi€t tinh trong lao d0ng tr€n diOn tich san xudt cua minh (Irdhi, 2010) . 4. tfituflrl Nhin chung, kdt qui nghi€n cuu dd cho thdy rang ndng hd ngheo trdng khom d tinh Tidn Giang tlat hi€u qui ky thudt kh6 ttit, voi muc hi€u qui ki thuit trung binh ld 0,77. Phdn nang sudt bi thdt thoit d ndng luc s6n xudt hidn tai ciia n0ng hd ngheo ld kh6 lo,n, voi 60,06 kg khom/1.000 m,. Kinh nghi€m canh tiic, dQ hoc vdn, mric tld ti6p cin trinh lri thuAt 1i nh[hrg ydu td quan 1i0n ddn ngudn ltrc con nguoi c6 su tiic d6ng tich cuc tldn hi6u qui ky thuit trong sin xudt kh6m cta n0ng hd nghdo. Trong tl6, mric rl0 tidp c6n ki thuit ld y€u td c6 tac ddng quan trqng nhdt. Didu ndy da chr?ng t6 vai trd quan treng cira vidc ti6p can va 6p dung cdc phuong thuc canh tiic ti€n tidn trons san NONG NGHtEp vA prAr rnrE'r,r NONG THON - KV r - THANG to/2ots t{o{ KHOA HOC CoilO NOHI van ac6 ut0 :hdo trior :Iicn ang tiCn rudt c1rc {ed ram oac ) l{y cq tich .no iroc \rc llerr rtra, khi ICu IOal ;D) )so 'tAc lKy xudt nOng nghiOp hien tlai nhAm cai thi€n hi€u qui vd ning cao thu nh|p cho ngrroi nOng dan. rfiLm fimK[io 1. 2.1: A Coelli T. J. (1996). A Guide to DEAP Version Data Envelopment Analysis (Computer) Program. Center for Efftciency and Productivity Analysis, University of New England, Australia. 2. Farrell, M. J. (1957). The measurement of productive efficiency. Journal of the Royal Statistical Society: Series A, 21: 253-81. 3. A D. and Rosenzweig, M. R. (1996). Technical Change and Human Capital Returns and lnvestments: Evidence from the Green Revolution. American Economic Review, 86(4): 931-953. 4. Huynh Truong Huy & tr Tdn Nghiem (2008). Thu nhip vd da dang h6a thu nhAp cira nOng hd 6 d6ng bdng sOng Criu tong. Tal 1i0u Chuong trinh NPTANM/0l3 Co sd cho phit tridn doanh Foster, td 7. Mai Van Nam, 2008. Kinh luqng (Rconometris). Hd NOi: NXB Ven h6a Thdng tin. 8. Marsh S. P., MacAulay T. G. and Hmg P. V. (eds), 2007. furicultural development and land policy rn Vietnam: policy briefs. ACIAR Monograph No.126,72p. 9. NguyCn Thd Nh6, V[ alinh Thin 9,2002. Gii;o trinh kinh td nOng nghiOp. Nhiir xudt ban Thdng ke. Ha Noi. 10. Nguy0n Van Song (2004) . Hieu qui ki thuat vd mdi quan h€ voi ngudn hrc con nguci fong sin rrrdt hia cria n0ng din ngoai thdnh Ha Ndi. Tham khlo tai: http://www.vnua.edu.vn:85/tc khktnn/UploadTo5CSX uacuanongdanngoaithanh kFtnt452006.pdf 11. Quan Minh Nhut vd Nguy0n Qu6c Nghi (2010). Giai phep nang cao hi€rr quA ung dung tidn b0 ky thuat trong san xudt lia 6 tinh Ddng Thrp. Dd tai nghi€n cri'u khoa hoc cdp tinh. So Khoa hoc & COng nghc tinh Ddng Th6p. nghic. p vua va nh6 vd n0ng hQ d ddng bdng s0ng Criu Truong Hdng, Vo Tudn Ki€t vd Hna Tdn Tai, nhA. p ndng h0: trudrng hqp xa Mi Tu, huy€n My Tri, tinh S6c The Role of Human Capital. Quarterly Journal of Trang. Tap chi Khoa hoc Truong Dai hoc Cdn Tho. Fronomics. Vol. 9l(797 h : 5*7 9. Sd 28 D (2013), trang 7$83. 6. l,odhi, A H. A. (2010). Land, labour and 13. Yang, D. T. (2004). Education and allocative agrarian transition in Vietnam. Journal of Agrarian efficienry: household income groxth during rural Change. Vol. 10. No. 4, pp.56,f580. refoms in China. Journal of Development Economics. Vol. 74, pp.l37- 162. Long. Hd N0i: Nhd xudt ban Gieo duc, trang 16 -184. 5. Huffrnan, W.E. (1977). Allocative efficiency: 12. 2013. Anh huong sd hcru tldt tlai tldn thu IMPACT OF PRODUCTION RESOIJRCES ON TECHMCAL EFFICMNCY OF POOR PINEAPPLES NARMING INTMN GIANG PROVINCE 1ao Nguyen Quoc Nghi, Mai Van Nam lao Summary [eu fich The study aims to determine the impact of production resources to the technical ef[ciency of poor households who have been growing pineapples in Tien Giang province. Through the two-step approach, the rtd research applied models of Data Envelopment Analysis (DEA) and Multiple Linear Regression (MLR) to address the objective given. Research data were collected from 98 the poor households which is in Tan Phuoc material input in Tlen Giang province. This is intensive area which is the largest region for pineapplegowing in Mekong delta. The results showed that the technical efficiency of the poor households was relatively good, some others get optimum efEciency. Moreover, the analysis results showed that there are four important resources affecting techdcal efficiency of the poor households as production experience, education, level approach of technical advancement and area of production. In particular, level approach of technical advancement is tlle most impact to technical efficiency of tlle furmer households growing pireapple in Tien Giang province. ich IGywords: Technical eftciency, production resources, pineapple, households. cua Ngudi phan biQn: TS. Nguy6n Thlng ang Li€u rng I!rc voi inh rl) oa ttp san t5 Ngny nhan bei: 15/5/2015 Ngdy thdng qua phan biQn: 75/6/2015 Ngdy duyQt tlang: 22/6/2015 NONG NGHTFP VA PHAT TRTEN NONG THON - KY I - THANG tO/2O15 ll