Trang 185 sgk \u0110\u1ecba L\u00ed 12:\u00a0<\/b>H\u00e3y k\u1ec3 t\u00ean 13 t\u1ec9nh, th\u00e0nh ph\u1ed1 (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u1ea5p t\u1ec9nh) \u1edf \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long.<\/i><\/span><\/p>\n Tr\u1ea3 l\u1eddi:<\/b><\/p>\n Long An, Ti\u1ec1n Giang, \u0110\u1ed3ng Th\u00e1p, An Giang, Ki\u00ean Giang, B\u1ebfn Tre, V\u0129nh Long, Tr\u00e0 Vinh, S\u00f3c Tr\u0103ng, B\u1ea1c Li\u00eau, C\u00e0 Mau, TP C\u1ea7n Th\u01a1, H\u1eadu Giang.<\/p>\n Trang 186 sgk \u0110\u1ecba L\u00ed 12:\u00a0<\/b>T\u00e0i nguy\u00ean \u0111\u1ea5t \u1edf \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long c\u00f3 thu\u1eadn l\u1ee3i v\u00e0 kh\u00f3 kh\u0103n nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ed1i v\u1edbi vi\u1ec7c ph\u00e1t tri\u1ec3n n\u00f4ng nghi\u1ec7p?<\/i><\/span><\/p>\n Tr\u1ea3 l\u1eddi:<\/b><\/p>\n – Thu\u1eadn l\u1ee3i:<\/p>\n + Di\u1ec7n t\u00edch \u0111\u1ea5t ph\u00f9 sa l\u1edbn.<\/p>\n + \u0110\u1ea5t ph\u00f9 sa ng\u1ecdt 1,2 tri\u1ec7u ha (chi\u1ebfm 30% di\u1ec7n t\u00edch \u0111\u1ed5ng b\u1eb1ng), r\u1ea5t m\u00e0u m\u1ee1.<\/p>\n – Kh\u00f3 kh\u0103n<\/p>\n + Ph\u1ea7n l\u1edbn di\u1ec7n t\u00edch c\u1ee7a \u0111\u1ed5ng b\u1eb1ng l\u00e0 \u0111\u1ea5t ph\u00e8n, \u0111\u1ea5t m\u1eb7n.<\/p>\n + M\u1ed9t v\u00e0i lo\u1ea1i \u0111\u1ea5t thi\u1ebfu dinh d\u01b0\u1ee1ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng ho\u1eb7c \u0111\u1ea5t qu\u00e1 ch\u1eb7t, kh\u00f3 tho\u00e1t n\u01b0\u1edbc.<\/p>\n Trang 187 sgk \u0110\u1ecba L\u00ed 12:\u00a0<\/b>T\u1ea1i sao \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long l\u00e0 v\u1ef1a l\u00faa l\u1edbn nh\u1ea5t c\u1ea3 n\u01b0\u1edbc?<\/i><\/span><\/p>\n Tr\u1ea3 l\u1eddi:<\/b><\/p>\n – \u0110\u1ea5t ph\u00f9 sa chi\u1ebfm di\u1ec7n t\u00edch r\u1ed9ng \u0111\u1ec3 h\u00ecnh th\u00e0nh v\u00f9ng l\u00faa chuy\u00ean canh quy m\u00f4 l\u1edbn.<\/p>\n – Kh\u00ed h\u1eadu th\u1ec3 hi\u1ec7n t\u00ednh ch\u1ea5t c\u1eadn x\u00edch \u0111\u1ea1o: t\u1ed5ng s\u1ed1 gi\u1edd n\u1eafng cao, ch\u1ebf \u0111\u1ed9 nhi\u1ec7t cao, \u1ed5n \u0111\u1ecbnh; l\u01b0\u1ee3ng m\u01b0a l\u1edbn, th\u00edch h\u1ee3p v\u1edbi c\u00e2y l\u00faa n\u01b0\u1edbc.<\/p>\n – M\u1ea1ng l\u01b0\u1edbi s\u00f4ng ng\u00f2i, k\u00eanh r\u1ea1ch ch\u1eb1ng ch\u1ecbt mang nu\u1edbc \u0111\u1ebfn kh\u1eafp nc\u00e1 trong \u0111\u1ed3ng b\u1eb1ng.<\/p>\n Trang 188 sgk \u0110\u1ecba L\u00ed 12:\u00a0<\/b>D\u1ef1a v\u00e0o h\u00ecnh 41.3 SGK, h\u00e3y so s\u00e1nh c\u01a1 c\u1ea5u s\u1eed d\u1ee5ng \u0111\u1ea5t gi\u1eefa \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long v\u1edbi \u0110\u1ed3ng b\u1eb1ng s\u00f4ng H\u1ed3ng.<\/i><\/span><\/p>\n Tr\u1ea3 l\u1eddi:<\/b><\/p>\n – \u0110\u1ea5t n\u00f4ng nghi\u1ec7p: \u0110BSCL (63,4%) l\u1edbn h\u01a1n \u0110BSH (51,2%).<\/p>\n – C\u00e1c lo\u1ea1i \u0111\u1ea5t kh\u00e1c: \u0110BSH l\u1edbn h\u01a1n \u0110BSCL, trong \u0111\u00f3:<\/p>\n + \u1ede \u0110BSH c\u00f3 di\u1ec7n t\u00edch \u0111\u1ea5t \u1edf v\u00e0 di\u1ec7n t\u00edch \u0111\u1ea5t chuy\u00ean d\u00f9ng c\u00f3 t\u1ec9 tr\u1ecdng l\u1edbn, c\u00f2n di\u1ec7n t\u00edch \u0111\u1ea5t l\u00e2m nghi\u1ec7p v\u00e0 \u0111\u1ea5t chua s\u1eed d\u1ee5ng, s\u00f4ng su\u1ed1i c\u00f3 t\u1ec9 tr\u1ecdng nh\u1ecf.<\/p>\n + \u1ede \u0110BSCL, ng\u01b0\u1ee3c l\u1ea1i, t\u1ec9 tr\u1ecdng di\u1ec7n t\u00edch \u0111\u1ea5t ch\u01b0a s\u1eed d\u1ee5ng, s\u00f4ng su\u1ed1i l\u1edbn; di\u1ec7n t\u00edch \u0111\u1ea5t \u1edf v\u00e0 \u0111\u1ea5t chuy\u00ean d\u00f9ng c\u00f3 t\u1ec9 tr\u1ecdng b\u00e9.<\/p>\n C\u00c2U H\u1eceI V\u00c0 B\u00c0I T\u1eacP<\/strong><\/p>\n C\u00e2u 1: T\u1ea1i sao ph\u1ea3i \u0111\u1eb7t v\u1ea5n \u0111\u1ec1 s\u1eed d\u1ee5ng h\u1ee3p l\u00ed v\u00e0 c\u1ea3i t\u1ea1o t\u1ef1 nhi\u00ean \u1edf \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long?<\/b><\/span><\/p>\n L\u1eddi gi\u1ea3i:<\/b><\/p>\n V\u00ec:<\/p>\n – \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long c\u00f3 vai tr\u00f2 \u0111\u1eb7c bi\u1ec7t trong chi\u1ebfn l\u01b0\u1ee3c ph\u00e1t tri\u1ec3n kinh t\u1ebf – x\u00e3 h\u1ed9i n\u01b0\u1edbc ta.<\/p>\n – \u0110\u1ec3 ph\u00e1t huy nh\u1eefng th\u1ebf m\u1ea1nh v\u00e0 kh\u1eafc ph\u1ee5c nh\u1eefng h\u1ea1n ch\u1ebf v\u1ed1n c\u00f3 c\u1ee7a \u0111\u1ed3ng b\u1eb1ng.<\/p>\n – M\u00f4i tr\u01b0\u1eddng v\u00e0 t\u00e0i nguy\u00ean c\u1ee7a \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long \u0111ang \u0111\u1ee9ng tr\u01b0\u1edbc s\u1ef1 suy tho\u00e1i (M\u1ed9t trong nh\u1eefng d\u1eabn ch\u1ee9ng l\u00e0: vi\u1ec7c ph\u00e1 r\u1eebng \u0111\u1ec3 kh\u1ea9n hoang v\u00e0 nu\u00f4i tr\u1ed3ng thu\u1ef7 s\u1ea3n c\u1ed9ng th\u00eam v\u1edbi ch\u00e1y r\u1eebng v\u00e0o m\u00f9a kh\u00f4 l\u00e0m cho t\u00e0i nguy\u00ean thi\u00ean nhi\u00ean suy gi\u1ea3m, m\u00f4i tr\u01b0\u1eddng b\u1ecb suy tho\u00e1i).<\/p>\n C\u00e2u 2: Ph\u00e2n t\u00edch c\u00e1c th\u1ebf m\u1ea1nh v\u00e0 h\u1ea1n ch\u1ebf v\u1ec1 m\u1eb7t t\u1ef1 nhi\u00ean v\u00e0 \u1ea3nh h\u01b0\u1edfng c\u1ee7a n\u00f3 \u0111\u1ed1i v\u1edbi vi\u1ec7c ph\u00e1t tri\u1ec3n kinh t\u1ebf – x\u00e3 h\u1ed9i \u1edf \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long.<\/b><\/span><\/p>\n L\u1eddi gi\u1ea3i:<\/b><\/p>\n a, C\u00e1c th\u1ebf m\u1ea1nh ch\u1ee7 y\u1ebfu<\/p>\n – \u0110\u1ea5t: di\u1ec7n t\u00edch r\u1ed9ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 1,2 tri\u1ec7u \u0111\u1ea5t ph\u00f9 sa ng\u1ecdt d\u1ecdc s\u00f4ng Ti\u1ec1n, s\u00f4ng H\u1eadu. C\u00f9ng v\u1edbi c\u00e1c lo\u1ea1i \u0111\u1ea5t ph\u00f9 sa kh\u00e1c (\u0111\u1ea5t ph\u00e8n, \u0111\u1ea5t m\u1eb7n), \u0111\u1ea5t \u0111ai \u1edf \u0110\u1ed5ng b\u1eb1ng s\u00f4ng C\u1eedu Long l\u00e0 m\u1ed9t th\u1ebf m\u1ea1nh quan tr\u1ecdng h\u00e0ng \u0111\u1ea7u \u0111\u1ec3 ph\u00e1t tri\u1ec3n tr\u00ean quy m\u00f4 l\u1edbn s\u1ea3n xu\u1ea5t c\u00e2y h\u00e0ng n\u0103m, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e2y l\u00faa.<\/p>\n – Kh\u00ed h\u1eadu: th\u1ec3 hi\u1ec7n r\u00f5 r\u1ec7t t\u00ednh ch\u1ea5t c\u1eadn x\u00edch \u0111\u1ea1o. T\u1ed5ng s\u1ed1 gi\u1edd n\u1eafng trung b\u00ecnh n\u0103m l\u00e0 2.200 – 2.700 gi\u1edd. Ch\u1ebf \u0111\u1ed9 nhi\u1ec7t cao, \u1ed5n d\u1ecbnh v\u1edbi nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh n\u0103m 25127o<\/sup>C. L\u01b0\u1ee3ng m\u01b0a l\u1edbn (1.300 – 2.000mm), t\u1eadp trung v\u00e0o c\u00e1c th\u00e1ng m\u00f9a m\u01b0a (t\u1eeb th\u00e1ng 5 \u0111\u1ebfn th\u00e1ng 11). V\u1edbi kh\u00ed h\u1eadu nh\u01b0 v\u1eady, ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t di\u1ec5n ra li\u00ean t\u1ee5c quanh n\u0103m.<\/p>\n – M\u1ea1ng l\u01b0\u1edbi s\u00f4ng ng\u00f2i, k\u00eanh r\u1ea1ch ch\u1eb1ng ch\u1ecbt c\u1eaft x\u1ebb ch\u00e2u th\u1ed5 th\u00e0nh nh\u1eefng \u00f4 vu\u00f4ng, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho giao th\u00f4ng, s\u1ea3n xu\u1ea5t v\u00e0 sinh ho\u1ea1t.<\/p>\n – Sinh v\u1eadt: th\u1ea3m th\u1ef1c v\u1eadt g\u1ed3m hai th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu l\u00e0 r\u1eebng ng\u1eadp m\u1eb7n (C\u00e0 Mau, B\u1ea1c Li\u00eau…) v\u00e0 r\u1eebng tr\u00e0m (Ki\u00ean Giang, \u0110\u1ed3ng Th\u00e1p), v\u1ec1 \u0111\u1ed9ng v\u1eadt, c\u00f3 gi\u00e1 tr\u1ecb h\u01a1n c\u1ea3 l\u00e0 c\u00e1 v\u00e0 chim. T\u00e0i nguy\u00ean bi\u1ec3n: h\u1ebft s\u1ee9c phong ph\u00fa v\u1edbi h\u00e0ng tr\u0103m b\u00e3i c\u00e1, b\u00e3i t\u00f4m v\u00e0 h\u01a1n n\u1eeda tri\u1ec7u ha m\u1eb7t n\u01b0\u1edbc nu\u00f4i tr\u1ed3ng thu\u1ef7 s\u1ea3n.<\/p>\n b) H\u1ea1n ch\u1ebf<\/p>\n – M\u00f9a kh\u00f4 k\u00e9o d\u00e0i t\u1eeb th\u00e1ng 12 \u0111\u1ebfn th\u00e1ng 4 n\u0103m sau. Trong m\u00f9a kh\u00f4, n\u01b0\u1edbc m\u1eb7n x\u00e2m nh\u1eadp v\u00e0o \u0111\u1ea5t li\u1ec1n, l\u00e0m t\u0103ng \u0111\u1ed9 chua v\u00e0 chua m\u1eb7n trong \u0111\u1ea5t.<\/p>\n – Ph\u1ea7n l\u1edbn di\u1ec7n t\u00edch c\u1ee7a \u0111\u1ed3ng b\u1eb1ng l\u00e0 \u0111\u1ea5t ph\u00e8n, \u0111\u1ea5t m\u1eb7n. C\u00f9ng v\u1edbi s\u1ef1 thi\u1ebfu n\u01b0\u1edbc trong m\u00f9a kh\u00f4, \u0111i\u1ec1u \u0111\u00f3 l\u00e0m cho vi\u1ec7c s\u1eed d\u1ee5ng v\u00e0 c\u1ea3i t\u1ea1o \u0111\u1ea5t g\u1eb7p nhi\u1ec1u kh\u00f3 kh\u0103n.<\/p>\n – T\u00e0i nguv\u00ean kho\u00e1ng s\u1ea3n h\u1ea1n ch\u1ebf, g\u00e2y tr\u1edf ng\u1ea1i cho vi\u1ec7c ph\u00e1t tri\u1ec3n kinh t\u1ebf – x\u00e3 h\u1ed9i c\u1ee7a \u0111\u1ed3ng b\u1eb1ng.<\/p>\n C\u00e2u 3: \u0110\u1ec3 s\u1eed d\u1ee5ng h\u1ee3p l\u00ed v\u00e0 c\u1ea3i t\u1ea1o t\u1ef1 nhi\u00ean \u1edf \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long, c\u1ea7n ph\u1ea3i gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 ch\u1ee7 y\u1ebfu n\u00e0o? T\u1ea1i sao?<\/b><\/span><\/p>\n L\u1eddi gi\u1ea3i:<\/b><\/p>\n – Gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u01b0\u1edbc ng\u1ecdt trong m\u00f9a kh\u00f4. V\u00ec thi\u1ebfu n\u01b0\u1edbc d\u1eabn \u0111\u1ebfn h\u1eadu qu\u1ea3 b\u1ed1c ph\u00e8n, m\u1eb7n v\u00e0 n\u01b0\u1edbc m\u1eb7n theo s\u00f4ng, r\u1ea1ch tr\u00e0n v\u00e0o l\u00e0m t\u0103ng di\u1ec7n t\u00edch \u0111\u1ea5t ph\u00e8n, \u0111\u1ea5t m\u1eb7n. C\u00f3 th\u1ec3 xem n\u01b0\u1edbc ng\u1ecdt l\u00e0 v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng h\u00e0ng \u0111\u1ea7u v\u00e0o m\u00f9a kh\u00f4 \u1edf \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long (\u0111\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi s\u1ef1 kh\u00f4 h\u1ea1n l\u00e0m b\u1ed1c ph\u00e8n, b\u1ed1c m\u1eb7n trong \u0111\u1ea5t; \u0111\u1ec3 r\u1eeda ph\u00e8n…).<\/p>\n – H\u1ea1n ch\u1ebf t\u00e1c h\u1ea1i c\u1ee7a l\u0169 trong m\u00f9a m\u01b0a. L\u0169 l\u1edbn g\u00e2y ng\u1eadp l\u1ee5t tr\u00ean di\u1ec7n t\u00edch r\u1ed9ng v\u1edbi th\u1eddi gian k\u00e9o d\u00e0i c\u00f3 t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ed1i v\u1edbi c\u00e1c ho\u1ea1t \u0111\u1ed9ng kinh t\u1ebf – x\u00e3 h\u1ed9i. Ng\u01b0\u1ee3c l\u1ea1i, l\u0169 nh\u1ecf l\u00e0m t\u1ed5n h\u1ea1i \u0111\u1ebfn ngu\u1ed3n l\u1ee3i kinh t\u1ebf do l\u0169 h\u00e0ng n\u0103m mang l\u1ea1i nh\u01b0: b\u1ed5 sung l\u1edbp ph\u00f9 sa, ngu\u1ed3n thu\u1ef7 s\u1ea3n n\u01b0\u1edbc ng\u1ecdt, v\u1ec7 sinh \u0111\u1ed3ng ru\u1ed9ng…<\/p>\n","protected":false},"excerpt":{"rendered":" Tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi\u00a0in nghi\u00eang Trang 185 sgk \u0110\u1ecba L\u00ed 12:\u00a0H\u00e3y k\u1ec3 t\u00ean 13 t\u1ec9nh, th\u00e0nh ph\u1ed1 (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u1ea5p t\u1ec9nh) \u1edf \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long. Tr\u1ea3 l\u1eddi: Long An, Ti\u1ec1n Giang, \u0110\u1ed3ng Th\u00e1p, An Giang, Ki\u00ean Giang, B\u1ebfn Tre, V\u0129nh Long, Tr\u00e0 Vinh, S\u00f3c Tr\u0103ng, B\u1ea1c Li\u00eau, C\u00e0 Mau, TP C\u1ea7n Th\u01a1, H\u1eadu […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1297],"tags":[1408,1407],"yoast_head":"\n