{"id":9838,"date":"2012-06-04T01:53:47","date_gmt":"2012-06-03T18:53:47","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/06\/ket-qua-nghien-cuu-su-dung-hieu-qua-go-duoc-de-san-xuat-do-moc-than-hoat-tinh\/"},"modified":"2013-10-06T09:02:47","modified_gmt":"2013-10-06T02:02:47","slug":"ket-qua-nghien-cuu-su-dung-hieu-qua-go-duoc-de-san-xuat-do-moc-than-hoat-tinh","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ket-qua-nghien-cuu-su-dung-hieu-qua-go-duoc-de-san-xuat-do-moc-than-hoat-tinh\/","title":{"rendered":"K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 g\u1ed7 \u0110\u01b0\u1edbc \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111\u1ed3 m\u1ed9c, than ho\u1ea1t t\u00ednh"},"content":{"rendered":"<p> <strong>L\u00ea Thanh Chi\u1ebfn<\/strong> <\/p>\n<p> <em>Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em> <\/p>\n<\/p>\n<p> <strong>T\u00d3M T\u1eaeT<\/strong> <\/p>\n<p> <strong><\/strong>G\u1ed7 \u0110\u01b0\u1edbc (<em>Rhizophora apiculaca) <\/em>l\u00e0 lo\u1ea1i g\u1ed7 n\u1eb7ng, m\u00e0u n\u00e2u nh\u1ea1t \u0111\u1ebfn n\u00e2u \u0111\u1ecf, g\u1ed7 c\u00f3 k\u1ebft c\u1ea5u ch\u1eb7t ch\u1ebd, m\u1ecbn, \u00edt xo\u1eafn th\u1edb v\u00e0 ch\u00e9o th\u1edb. G\u1ed7 c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m la\u0300 d\u1ec5 b\u1ecb n\u1ee9t \u0111\u1ea7u v\u00e0 n\u1ee9t m\u1eb7t khi \u0111\u1ed9 \u1ea9m m\u00f4i tr\u01b0\u1eddng thay \u0111\u1ed5i. Hi\u1ec7n nay, vi\u1ec7c s\u1eed d\u1ee5ng g\u1ed7 \u0110\u01b0\u1edbc kh\u00f4ng hi\u1ec7u qu\u1ea3, 70% t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng khai th\u00e1c d\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t than nhi\u00ean li\u1ec7u, 30% c\u00f2n l\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng. Vi\u1ec7c nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng g\u1ed7 \u0110\u01b0\u1edbc \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111\u1ed3 m\u1ed9c, than ho\u1ea1t t\u00ednh l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng r\u1eebng ng\u1eadp m\u1eb7n.  <\/p>\n<p> K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y g\u1ed7 \u0110\u01b0\u1edbcl\u00e0m nguy\u00ean li\u1ec7ug\u1ed7 x\u1ebb ph\u1ea3i c\u00f3 \u0111\u01b0\u1eddng k\u00ednh D<sub>1,3<\/sub><em><sup><\/sup><\/em>>14cm (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 15-16 n\u0103m tu\u1ed5i); ph\u01b0\u01a1ng ph\u00e1p x\u1ebb su\u1ed1t kh\u00f4ng bao t\u00e2m l\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t; \u0111\u1ec3 h\u1ea1n ch\u1ebf n\u1ee9t \u0111\u1ea7u v\u00e0 n\u1ee9t m\u1eb7t v\u00e1n x\u1ebb trong qu\u00e1 tr\u00ecnh x\u1ebb v\u00e0 s\u1ea5y c\u1ea7n x\u1eed l\u00fd b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ng\u00e2m g\u1ed7 tr\u00f2n trong n\u01b0\u1edbc th\u01b0\u1eddng 10-15 ng\u00e0y tr\u01b0\u1edbc khi x\u1ebb; ng\u00e2m v\u00e1n trong dung d\u1ecbch h\u00f3a ch\u1ea5t n\u1ed3ng \u0111\u1ed9 8% trong 3 ng\u00e0y tr\u01b0\u1edbc khi s\u1ea5y;<strong> v<\/strong>\u00e1n x\u1ebb g\u1ed7 \u0110\u01b0\u1edbc d\u00e0y 20, 30mm \u0111\u01b0\u1ee3c s\u1ea5y theo ph\u01b0\u01a1ng ph\u00e1p s\u1ea5y 2 giai \u0111o\u1ea1n, \u0111\u1ed9 \u1ea9m ban \u0111\u1ea7u c\u1ee7a g\u1ed7 45 &#8211; 48%, nhi\u1ec7t \u0111\u1ed9 s\u1ea5y (40-60<sup>0<\/sup>C), th\u1eddi gian s\u1ea5y 260 gi\u01a1\u0300;than g\u1ed7 \u0110\u01b0\u1edbc \u0111\u01b0\u1ee3c ho\u1ea1t h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t h\u00f3a 900<sup>0<\/sup>C, l\u01b0u l\u01b0\u1ee3ng h\u01a1i n\u01b0\u1edbc 10m<sup>3<\/sup>\/ gi\u01a1\u0300, th\u1eddi gian ho\u1ea1t h\u00f3a 6 gi\u1edd. Than ho\u1ea1t t\u00ednh c\u00f3 kh\u1ea3 n\u0103ng l\u1ecdc h\u01a1i kh\u00ed t\u1ed1t. <\/p>\n<p> <strong>T\u1eeb kh\u00f3a<\/strong>: G\u1ed7 \u0110\u01b0\u1edbc, Ho\u1ea1t h\u00f3a than <\/p>\n<p> <strong>\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong> <\/p>\n<p> C\u00e2y \u0110\u01b0\u1edbc (<em>Rhizophora apiculata<\/em>) l\u00e0 m\u1ed9t trong c\u00e1c lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng ch\u00ednh tr\u00ean \u0111\u1ea5t ng\u1eadp m\u1eb7n. \u1ede Vi\u1ec7t Nam, di\u1ec7n t\u00edch r\u1eebng \u0110\u01b0\u1edbc c\u00f3 h\u01a1n 80.000ha chi\u1ebfm 82,6% c\u00f2n l\u1ea1i 16.876 ha ch\u1ec9 chi\u1ebfm 17,4% l\u00e0 Trang (<em>Kandelia candel<\/em>), B\u1ea7n chua (<em>Sonneratia caseolaris<\/em>) v\u00e0 m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y ng\u1eadp m\u1eb7n kh\u00e1c (Ph\u1ea1m Ng\u1ecdc Thanh, 1987). C\u00e2y \u0110\u01b0\u1edbc c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m h\u00ecnh th\u00e1i: th\u00e2n tr\u00f2n v\u00e0 th\u1eb3ng, \u00edt u b\u01b0\u1edbu b\u1ea1nh v\u00e8, chi\u1ec1u cao c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 35m (Ng\u00f4 \u0110\u00ecnh Qu\u1ebf, 2000). G\u1ed7 \u0110\u01b0\u1edbc c\u00f3 m\u00f9i th\u01a1m, khi m\u1edbi c\u01b0a x\u1ebb m\u00e0u n\u00e2u nh\u1ea1t, sau \u0111\u00f3 chuy\u1ec3n m\u00e0u n\u00e2u \u0111\u1ecf, g\u1ed7 \u0110\u01b0\u1edbc thu\u1ed9c lo\u1ea1i g\u1ed7 n\u1eb7ng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch l\u1edbn (840-890kg\/m<sup>3<\/sup>), g\u1ed7 c\u1ee9ng c\u00f3 k\u1ebft c\u1ea5u ch\u1eb7t ch\u1ebd, m\u1ecbn, it xo\u1eafn th\u1edb v\u00e0 ch\u00e9o th\u1edb. Than g\u1ed7 \u0110\u01b0\u1edbc s\u1ea3n xu\u1ea5t theo ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec7t ph\u00e2n hi\u1ec7n nay c\u00f3 nhi\u1ec7t l\u01b0\u1ee3ng cao 28000kj\/kg, h\u00e0m l\u01b0\u1ee3ng Cacbon chi\u1ebfm kho\u1ea3ng 70%. (L\u00ea \u0110\u0103ng Duy, 2001).  <\/p>\n<p> S\u1ea3n l\u01b0\u1ee3ng g\u1ed7 \u0110\u01b0\u1edbc khai th\u00e1c h\u00e0ng n\u0103m kho\u1ea3ng v\u00e0i tr\u0103m ngh\u00ecn m\u00e9t kh\u1ed1i, ch\u1ec9 t\u00ednh ri\u00eang \u1edf t\u1ec9nh C\u00e0 Mau c\u00f3 di\u1ec7n t\u00edch g\u1ea7n 70.000ha, s\u1ea3n l\u01b0\u1ee3ng g\u1ed7 \u0110\u01b0\u1edbc (khai th\u00e1c, c\u1ea3i t\u1ea1o, t\u1ec9a th\u01b0a) kho\u1ea3ng 100.000<sup>3<\/sup>\/n\u0103m (B\u00f9i Duy Ng\u1ecdc, 2007). Hi\u1ec7n nay, 70% t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng khai th\u00e1c d\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t than nhi\u00ean li\u1ec7u, 30% c\u00f2n l\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng: k\u00e8o nh\u00e0, tay \u0111\u00f2n, c\u1ed9t ch\u1ed1ng, v\u00e1n x\u1ebb,\u2026 Gi\u00e1 tr\u1ecb s\u1eed d\u1ee5ng g\u1ed7 \u0110\u01b0\u1edbc th\u1ea5p do ch\u01b0a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m nguy\u00ean li\u1ec7u s\u1ea3n xu\u1ea5t \u0111\u1ed3 m\u1ed9c b\u1edfi v\u00e1n x\u1ebb g\u1ed7 \u0110\u01b0\u1edbc c\u00f3 m\u1ed9t s\u1ed1 nh\u01b0\u1ee3c \u0111i\u1ec3m: d\u1ec5 b\u1ecb n\u1ee9t \u0111\u1ea7u, d\u1ec5 cong v\u00eanh, bi\u1ebfn d\u1ea1ng v\u00e0 n\u1ee9t m\u1eb7t khi \u0111\u1ed9 \u1ea9m m\u00f4i tr\u01b0\u1eddng thay \u0111\u1ed5i (L\u00ea Thu Hi\u1ec1n c\u00f9ng c\u00e1c c\u1ed9ng s\u1ef1, 2010). Ph\u00f2ng Nghi\u00ean c\u01b0\u0301u Ch\u1ebf bi\u1ebfn L\u00e2m s\u1ea3n \u0111\u00e3 ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u m\u1ed9t s\u1ed1 gi\u1ea3i ph\u00e1p c\u00f4ng ngh\u1ec7 h\u1ea1n ch\u1ebf nh\u01b0\u1ee3c \u0111i\u1ec3m g\u1ed7 \u0110\u01b0\u1edbc \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111\u1ed3 m\u1ed9c v\u00e0 t\u1ea1o than ho\u1ea1t t\u00ednh nh\u1eb1m n\u00e2ng cao hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng g\u1ed7 \u0110\u01b0\u1edbc.  <\/p>\n","protected":false},"excerpt":{"rendered":"<p><!--[if gte mso 9]><xml>\n<w:WordDocument>\n<w:View>Normal<\/w:View>\n<w:Zoom>0<\/w:Zoom>\n<w:PunctuationKerning\/>\n<w:ValidateAgainstSchemas\/>\n<w:SaveIfXMLInvalid>false<\/w:SaveIfXMLInvalid>\n<w:IgnoreMixedContent>false<\/w:IgnoreMixedContent>\n<w:AlwaysShowPlaceholderText>false<\/w:AlwaysShowPlaceholderText>\n<w:Compatibility>\n<w:BreakWrappedTables\/>\n<w:SnapToGridInCell\/>\n<w:WrapTextWithPunct\/>\n<w:UseAsianBreakRules\/>\n<w:DontGrowAutofit\/>\n<\/w:Compatibility>\n<w:BrowserLevel>MicrosoftInternetExplorer4<\/w:BrowserLevel>\n<\/w:WordDocument>\n<\/xml><![endif]--><!--[if gte mso 9]><xml>\n<w:LatentStyles DefLockedState=\"false\" LatentStyleCount=\"156\">\n<w:LsdException Locked=\"false\" Name=\"Default Paragraph Font\"\/>\n<\/w:LatentStyles>\n<\/xml><![endif]--><!--[if gte mso 10]>\n\n\n<style>\n\/* Style Definitions *\/\ntable.MsoNormalTable\n{mso-style-name:\"Table Normal\";\nmso-tstyle-rowband-size:0;\nmso-tstyle-colband-size:0;\nmso-style-noshow:yes;\nmso-style-parent:\"\";\nmso-padding-alt:0cm 5.4pt 0cm 5.4pt;\nmso-para-margin:0cm;\nmso-para-margin-bottom:.0001pt;\nmso-pagination:widow-orphan;\nfont-size:10.0pt;\nfont-family:\"Times New Roman\";\nmso-ansi-language:#0400;\nmso-fareast-language:#0400;\nmso-bidi-language:#0400;}\n<\/style>\n\n\n<![endif]--><\/p>\n<p style=\"margin: 6pt 0cm; text-align: justify\" class=\"MsoNormal\" align=\"justify\">\n<span style=\"font-size: 10pt; font-family: Arial\">G\u1ed7 \u0110\u01b0\u1edbc (<em>Rhizophora apiculaca) <\/em>l&agrave;<br \/>\nlo\u1ea1i g\u1ed7 n\u1eb7ng, m&agrave;u n&acirc;u nh\u1ea1t \u0111\u1ebfn n&acirc;u \u0111\u1ecf, g\u1ed7 c&oacute; k\u1ebft c\u1ea5u ch\u1eb7t ch\u1ebd, m\u1ecbn, &iacute;t xo\u1eafn th\u1edb<br \/>\nv&agrave; ch&eacute;o th\u1edb. G\u1ed7 c&oacute; nh\u01b0\u1ee3c \u0111i\u1ec3m la\u0300 d\u1ec5 b\u1ecb n\u1ee9t \u0111\u1ea7u v&agrave; n\u1ee9t m\u1eb7t khi \u0111\u1ed9 \u1ea9m m&ocirc;i tr\u01b0\u1eddng<br \/>\nthay \u0111\u1ed5i. Hi\u1ec7n nay, vi\u1ec7c s\u1eed d\u1ee5ng g\u1ed7 \u0110\u01b0\u1edbc kh&ocirc;ng hi\u1ec7u qu\u1ea3, 70% t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng<br \/>\nkhai th&aacute;c d&ugrave;ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t than nhi&ecirc;n li\u1ec7u, 30% c&ograve;n l\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l&agrave;m v\u1eadt<br \/>\nli\u1ec7u x&acirc;y <span style=\"color: black\">d\u1ef1ng. Vi\u1ec7c nghi&ecirc;n c\u1ee9u s\u1eed d\u1ee5ng g\u1ed7 \u0110\u01b0\u1edbc \u0111\u1ec3 s\u1ea3n<br \/>\nxu\u1ea5t \u0111\u1ed3 m\u1ed9c, than ho\u1ea1t t&iacute;nh l&agrave; c\u1ea7n thi\u1ebft \u0111\u1ec3<\/span> ph&aacute;t tri\u1ec3n b\u1ec1n v\u1eefng r\u1eebng<br \/>\nng\u1eadp m\u1eb7n. <\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9838"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=9838"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9838\/revisions"}],"predecessor-version":[{"id":11288,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9838\/revisions\/11288"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}