B\u00e0i 2 trang 57 T\u1eadp b\u1ea3n \u0111\u1ed3 \u0110\u1ecba L\u00ed 12:<\/b>\u00a0C\u0103n c\u1ee9 v\u00e0o ki\u1ebfn th\u1ee9c \u0111\u00e3 h\u1ecdc v\u00e0 h\u00ecnh 32 trong SGK \u0110\u1ecba l\u00ed 12 ho\u1eb7c Atlat \u0110\u1ecba li Vi\u1ec7t Nam, h\u00e3y gi\u1ea3i th\u00edch v\u00ec sao Trung du v\u00e0 mi\u1ec1n n\u00fai B\u1eafc B\u1ed9 c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong chi\u1ebfn l\u01b0\u1ee3c ph\u00e1t tri\u1ec3n kinh t\u1ebf c\u1ee7a c\u1ea3 n\u01b0\u1edbc?<\/span><\/p>\nL\u1eddi gi\u1ea3i:<\/b><\/p>\n
Thu\u1eadn l\u1ee3i v\u1ec1 v\u1ecb tr\u00ed \u0111\u1ecba l\u00ed:<\/b><\/p>\n
– Ph\u00eda B\u1eafc gi\u00e1p Trung Qu\u1ed1c, ph\u00eda T\u00e2y gi\u00e1p Th\u01b0\u1ee3ng L\u00e0o c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng giao l\u01b0u v\u1edbi c\u00e1c v\u00f9ng kinh t\u1ebf n\u0103ng \u0111\u1ed9ng c\u1ee7a n\u01b0\u1edbc n\u00e0y qua c\u00e1c c\u1eeda kh\u1ea9u.<\/p>\n
– Li\u1ec1n k\u1ec1 v\u1edbi \u0111\u1ed3ng b\u1eb1ng s\u00f4ng H\u1ed3ng, v\u00f9ng c\u00f3 ti\u1ec1m n\u0103ng l\u01b0\u01a1ng th\u1ef1c, th\u1ef1c ph\u1ea9m, h\u00e0ng ti\u00eau d\u00f9ng v\u00e0 ngu\u1ed3n lao \u0111\u1ed9ng l\u1edbn nh\u1ea5t c\u1ea3 n\u01b0\u1edbc.<\/p>\n
– Ph\u00eda \u0110\u00f4ng l\u00e0 v\u00f9ng bi\u1ec3n thu\u1ed9c Qu\u1ea3ng Ninh c\u00f3 ti\u1ec1m n\u0103ng,thu\u1eadn l\u1ee3i cho giao l\u01b0u ph\u00e1t tri\u1ec3n b\u1eb1ng \u0111\u01b0\u1eddng bi\u1ec3n.<\/p>\n
Gi\u00e0u v\u1ec1 t\u00e0i nguy\u00ean thi\u00ean nhi\u00ean:<\/b><\/p>\n
– Kho\u00e1ng s\u1ea3n gi\u00e0u c\u00f3 v\u00e0 \u0111a d\u1ea1ng b\u1eadc nh\u1ea5t c\u1ea3 n\u01b0\u1edbc (than, apatit, \u0111\u1ed3ng, s\u1eaft\u2026)<\/p>\n
– T\u00e0i nguy\u00ean r\u1eebng kh\u00e1 gi\u00e0u c\u00f3.<\/p>\n
– \u0110\u1ecba h\u00ecnh \u0111\u1ed3i n\u00fai, \u0111\u1ea5t feralit thu\u1eadn l\u1ee3i ph\u00e1t tri\u1ec3n c\u00e2y c\u00f4ng nghi\u1ec7p l\u00e2u n\u0103m, c\u00e2y \u0103n qu\u1ea3, d\u01b0\u1ee3c li\u1ec7u\u2026ch\u0103n nu\u00f4i gia s\u00fac; kh\u00ed h\u1eadu ph\u00e2n h\u00f3a n\u00ean s\u1ea3n ph\u1ea9m \u0111a d\u1ea1ng h\u01a1n.<\/p>\n
– Ti\u1ec1m n\u0103ng th\u1ee7y \u0111i\u1ec7n l\u1edbn: s\u00f4ng \u0110\u00e0 v\u00e0 s\u00f4ng Th\u00e1i B\u00ecnh (th\u1ee7y \u0111i\u1ec7n S\u01a1n La, H\u00f2a B\u00ecnh..)<\/p>\n
\u0110\u1ecba b\u00e0n c\u01b0 tr\u00fa c\u1ee7a nhi\u1ec1u d\u00e2n t\u1ed9c \u00edt ng\u01b0\u1eddi:<\/b><\/p>\n
– D\u00e2n t\u1ed9c \u00edt ng\u01b0\u1eddi v\u1edbi tr\u00ecnh \u0111\u1ed9 d\u00e2n tr\u00ed th\u1ea5p, d\u1ec5 b\u1ecb x\u00fai gi\u1ee5c, l\u1ea1i n\u1eb1m g\u1ea7n v\u00f9ng bi\u00ean gi\u1edbi.<\/p>\n
– \u0110\u1eddi s\u1ed1ng c\u00f2n kh\u00f3 kh\u0103n<\/p>\n
– C\u00f3 nhi\u1ec1u kinh nghi\u1ec7m tr\u1ed3ng r\u1eebng, canh t\u00e1c c\u00e2y c\u00f4ng nghi\u1ec7p l\u00e2u n\u0103m.<\/p>\n
T\u1eadp trung m\u1ed9t s\u1ed1 c\u01a1 s\u1edf kinh t\u1ebf quan tr\u1ecdng:<\/b><\/p>\n
– M\u1ed9t s\u1ed1 c\u01a1 s\u1edf kinh t\u1ebf quan tr\u1ecdng v\u1edbi c\u00e1c ng\u00e0nh truy\u1ec1n th\u1ed1ng nh\u01b0 khai th\u00e1c than, kho\u00e1ng s\u1ea3n (Qu\u1ea3ng Ninh, Th\u00e1i Nguy\u00ean, Cao B\u1eb1ng..) c\u01a1 s\u1edf tr\u1ed3ng v\u00e0 ch\u1ebf bi\u1ebfn ch\u00e8 (Th\u00e1i Nguy\u00ean), ch\u0103n nu\u00f4i b\u00f2 s\u1eefa v\u00e0 ch\u1ebf bi\u1ec3n s\u1ea3n ph\u1ea9m t\u1eeb s\u1eefa (M\u1ed9c Ch\u00e2u)\u2026<\/p>\n
B\u00e0i 3 trang 58 T\u1eadp b\u1ea3n \u0111\u1ed3 \u0110\u1ecba L\u00ed 12:<\/b>\u0110i\u1ec1n v\u00e0o b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y c\u00e1c th\u1ebf m\u1ea1nh v\u00e0 h\u1ea1n ch\u1ebf \u0111\u1ed1i v\u1edbi vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e2y c\u00f4ng nghi\u1ec7p, c\u00e2y d\u01b0\u1ee3c li\u1ec7u, rau qu\u1ea3 (c\u1eadn nhi\u1ec7t, \u00f4n \u0111\u1edbi) v\u00e0 ch\u0103n nu\u00f4i gia s\u00fac.<\/span><\/p>\nL\u1eddi gi\u1ea3i:<\/b><\/p>\n\n\n\n| <\/td>\n | Th\u1ebf m\u1ea1nh<\/td>\n | H\u1ea1n ch\u1ebf<\/td>\n<\/tr>\n |
\n| Ph\u00e1t tri\u1ec3n c\u00e2y c\u00f4ng nghi\u1ec7p, c\u00e2y d\u01b0\u1ee3c li\u1ec7u, rau qu\u1ea3 (c\u1eadn nhi\u1ec7t \u0111\u1edbi, \u00f4n \u0111\u1edbi)<\/td>\n | – \u0110\u1ea5t feralit, \u0111\u1ea5t ph\u00f9 sa c\u1ed5 (\u1edf trung du).<\/p>\n – Kh\u00ed h\u00e2u nhi\u1ec7t \u0111\u1edbi \u1ea9m c\u00f3 m\u00f9a \u0111\u00f4ng l\u1ea1nh, ph\u00e2n h\u00f3a \u0111a d\u1ea1ng (\u00f4n \u0111\u1edbi n\u00fai cao, c\u1eadn nhi\u1ec7t, nhi\u1ec7t \u0111\u1edbi).<\/td>\n | – \u0110\u1ea5t d\u1ec5 b\u1ecb tho\u00e1i h\u00f3a, x\u00f3i m\u00f2n.<\/p>\n – R\u00e9t \u0111\u1eadm, r\u00e9t h\u1ea1i, s\u01b0\u01a1ng gi\u00e1, s\u00e2u b\u1ec7nh<\/td>\n<\/tr>\n |
\n| Ch\u0103n nu\u00f4i gia s\u00fac<\/td>\n | C\u00f3 nhi\u1ec1u \u0111\u1ed3ng c\u1ecf, ch\u1ee7 y\u1ebfu tr\u00ean c\u00e1c cao nguy\u00ean \u1edf \u0111\u1ed9 cao 600 \u2013 700m (M\u1ed9c Ch\u00e2u, S\u01a1n La, \u0110i\u1ec7n Bi\u00ean\u2026)<\/td>\n | R\u00e9t bu\u1ed1t, s\u01b0\u01a1ng gi\u00e1.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \n <\/div>\n \n B\u00e0i 4 trang 58 T\u1eadp b\u1ea3n \u0111\u1ed3 \u0110\u1ecba L\u00ed 12:<\/b>Cho b\u1ea3ng s\u1ed1 li\u1ec7u, t\u00ednh t\u1ec9 l\u1ec7 % so v\u1edbi c\u1ea3 n\u01b0\u1edbc v\u00e0 \u0111i\u1ec1n ti\u1ebfp v\u00e0o b\u1ea3ng sau:<\/span><\/p>\nL\u1eddi gi\u1ea3i:<\/b><\/p>\n S\u1ed1 l\u01b0\u1ee3ng tr\u00e2u c\u1ee7a v\u00f9ng v\u00e0 c\u1ee7a c\u1ea3 n\u01b0\u1edbc (ngh\u00ecn con)<\/p>\n \n\n\n| N\u0103m<\/td>\n | Trung du v\u00e0 mi\u1ec1n n\u00fai B\u1eafc B\u1ed9<\/td>\n | C\u1ea3 n\u01b0\u1edbc<\/td>\n | % so v\u1edbi c\u1ea3 n\u01b0\u1edbc<\/td>\n<\/tr>\n | \n| 2000<\/td>\n | 1.626<\/td>\n | 2.897<\/td>\n | 56,1%<\/td>\n<\/tr>\n | \n| 2008<\/td>\n | 1.689<\/td>\n | 2.898<\/td>\n | 58,3%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Nh\u1eadn x\u00e9t s\u1ed1 l\u01b0\u1ee3ng tr\u00e2u c\u1ee7a Trung du v\u00e0 mi\u1ec1n n\u00fai B\u1eafc B\u1ed9 so v\u1edbi c\u1ea3 n\u01b0\u1edbc n\u0103m 2000 v\u00e0 n\u0103m 2008.<\/b>– S\u1ed1 l\u01b0\u1ee3ng tr\u00e2u lu\u00f4n chi\u1ebfm tr\u00ean 50% c\u1ee7a c\u1ea3 n\u01b0\u1edbc: n\u0103m 2000 l\u00e0 56,1% v\u00e0 n\u0103m 2008 t\u0103ng l\u00ean 58,3%.<\/p>\n Gi\u1ea3i th\u00edch v\u00ec sao Trung du v\u00e0 mi\u1ec1n n\u00fai B\u1eafc B\u1ed9 l\u1ea1i chi\u1ebfm qu\u00e1 n\u1eeda s\u1ed1 l\u01b0\u1ee3ng tr\u00e2u c\u1ee7a c\u1ea3 n\u01b0\u1edbc.<\/b>– V\u00f9ng c\u00f3 \u0111i\u1ec1u ki\u1ec7n sinh th\u00e1i v\u00e0 t\u1ef1 nhi\u00ean ph\u00f9 h\u1ee3p cho s\u1ef1 ph\u00e1t tri\u1ec3n \u0111\u00e0n tr\u00e2u: kh\u00ed h\u1eadu l\u1ea1nh, \u0111\u1ecba h\u00ecnh \u0111\u1ed3i n\u00fai v\u1edbi nhi\u1ec1u \u0111\u1ed3ng c\u1ecf thu\u1eadn l\u1ee3i ch\u0103n th\u1ea3 tr\u00e2u.<\/p>\n – Ng\u01b0\u1eddi d\u00e2n c\u00f3 kinh nghi\u1ec7m ch\u0103n th\u1ea3 gia s\u00fac, nhu c\u1ea7u v\u1ec1 s\u1ee9c k\u00e9o l\u1edbn.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":" B\u00e0i 1 trang 57 T\u1eadp b\u1ea3n \u0111\u1ed3 \u0110\u1ecba L\u00ed 12:\u00a0H\u00e3y \u0111i\u1ec1n v\u00e0o l\u01b0\u1ee3c \u0111\u1ed3: – T\u00ean c\u00e1c t\u1ec9nh: \u0110i\u1ec7n Bi\u00ean, L\u1ea1i Ch\u00e2u, S\u01a1n La, Cao B\u1eb1ng, B\u1eafc K\u1ea1n, L\u1ea1ng S\u01a1n, H\u00e0 Giang, Tuy\u00ean Quang, Th\u00e1i Nguy\u00ean, Qu\u1ea3ng Ninh. – T\u00ean m\u1ed9t s\u1ed1 m\u1ecf: than, s\u1eaft, thi\u1ebfc, b\u00f4 x\u00edt, apatit. – T\u00ean c\u1ee7a 3 con s\u00f4ng: […]<\/p>\n","protected":false},"author":3,"featured_media":25382,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1308],"tags":[1438,1437],"yoast_head":"\n B\u00e0i 32: V\u1ea5n \u0111\u1ec1 khai th\u00e1c th\u1ebf m\u1ea1nh \u1edf Trung du v\u00e0 mi\u1ec1n n\u00fai B\u1eafc B\u1ed9<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/bai-32-van-de-khai-thac-the-manh-o-trung-du-va-mien-nui-bac-bo\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"B\u00e0i 32: V\u1ea5n \u0111\u1ec1 khai th\u00e1c th\u1ebf m\u1ea1nh \u1edf Trung du v\u00e0 mi\u1ec1n n\u00fai B\u1eafc B\u1ed9\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i 1 trang 57 T\u1eadp b\u1ea3n \u0111\u1ed3 \u0110\u1ecba L\u00ed 12:\u00a0H\u00e3y \u0111i\u1ec1n v\u00e0o l\u01b0\u1ee3c \u0111\u1ed3: – T\u00ean c\u00e1c t\u1ec9nh: \u0110i\u1ec7n Bi\u00ean, L\u1ea1i Ch\u00e2u, S\u01a1n La, Cao B\u1eb1ng, B\u1eafc K\u1ea1n, L\u1ea1ng S\u01a1n, H\u00e0 Giang, Tuy\u00ean Quang, Th\u00e1i Nguy\u00ean, Qu\u1ea3ng Ninh. – T\u00ean m\u1ed9t s\u1ed1 m\u1ecf: than, s\u1eaft, thi\u1ebfc, b\u00f4 x\u00edt, apatit. – T\u00ean c\u1ee7a 3 con s\u00f4ng: […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/bai-32-van-de-khai-thac-the-manh-o-trung-du-va-mien-nui-bac-bo\/\" \/>\n<meta property=\"og:site_name\" content=\"Lop12.edu.vn - 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