Đất hữa cơ và than bùn ppt

đại học cần thơ đại học cần thơ đại học cần thơ đại học cần thơ - - khoa nông nghiệp khoa nông nghiệp khoa nông nghiệp khoa nông nghiệp tài liệu nghiên cứu khoa học QJ7S&ĂQ7K7HO)D[ :HEVLWHKWWSZZZFWXHGXYQNQQHPDLO GPLQK#FWXHGXYQYWDQK#FWXHGXYQ đất hữu cơ và than bùn (histosols) Biên soạn bởi Võ-Tòng Anh, 1988 Dùng để giảng dạy cho các lớp Tập Huấn Ngắn Hạn Chuyên Đề Âáút hæîu cå vaì than buìn (Histosols) Voî-Toìng Anh, 1998 1 ih7+mu8&l9$s7+$1%8s1 +,67262/6   1. 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hæîu cå 00 10 20 30 40 50 60 00 1912 13 14 15 16 17 18  Âáút hæîu cå vaì than buìn (Histosols) Voî-Toìng Anh, 1998 5  9h7/,j86,1+3+(s168/),',&0$7(5,$/6   9WOLXQD\GXQJFKWKFKRORDLWFRFKWOLXKXFKRFYWOLXNKRDQJ XQJQFFRKDPOQJOXKX\QKOQKQKRFEQJWKHRWURQJOQJNKSKQ OQGDQJVXOILGHYDFRKDPOQJFDUERQDWFDQ[LQKRKQJSOQKDPOQJFXDOX KX\QKYDFRWUVSKOQKQ9WOLXVLQKSKHQNKDFWQJSKHQVXOIXULFKRUL]RQY QRFRQKQJLPFWKXFDFGNLQQKVDX  ltLXNLQNK ltWUVS+ .KQJFRPMDURVLWHPDXYDQJUPYLSKPDXKXH<YDVFPDXFKURPDOQ KQKRFEQJ  3. 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ÂÀÛC TÊNH VÀÕN TÀÕT CUÍA HISTOSOLS  <vQJKDWKDQEXQO\WKXWWFKF+\/DSKLVWRVVL  0XFKW YWOLXKXFSKQKX\FRQVRWODLFRKD\NKQJFDFYWOLXFSKDWFDW WKWVHWNKRDQJ  0LWUQJ DV+LVWRVROVFKQKWKDQKYXQJEFEDQFXltQKQJYXQJNKDF +LVWRVROVFJLLKDQWKXKHSODLWDLQKQJYXQJPWUXQJYDWKXQJOXQJYLVX PFQFQJPJQPWWYDWUQQKQJYXQJFDRYLW\VOQJPDWUQEFWKRDW KLQFFDR  3KDWWULQSKXGLQKXKWWKXFQKRPSKXGLQ+KD\+&U6ELQLFXD[DFED  F\WUQJTXDFDFWLQWUQKSKQKX\VLQKKRDKRFWDLFKFXQJQKVWKDQKOSFXDFDF YWOLXKXFWDRUDPWWKDPWQJPWFKDWRDQWWL[S9WOLXKXFELQWQK QD\FRWKWFKWXWKDQKQKQJWQJOSGD\YDPWSKQEUDWULYDRWURQJQQW  6GXQJ WWKDQEXQWKQJFVGXQJFKRQKLXGDQJOPQJKLSYDKRFQJFR KD\JLQJX\Q  5. PHÁN BÄÚ CUÍA HISTOSOLS   7KDQEXQEDRSKXPWGLQWFKSKRQJRDQWULXKDWUQWRDQWKJLL[HP KQK.KRDQJWULXKDWWKDQEXQFSKQEEFEDQFXYLNKKXQL QK%F0\&KXhXYD&KX$v3KQFRQODLFSKQEYXQJQKLWLYDDQKLW LYLWQVXW[XWKLQFKX\XODKQKWKDQKWUQQKQJYXQJQJSWULXYHQELQFXD iQJ1DP$vQLPDNKRDQJWULXKDWWKDQEXQEQKLPSKHQKLQGLQ  Âáút hæîu cå vaì than buìn (Histosols) Voî-Toìng Anh, 1998 7 +QK+LVWRVROVWUQWKJLL  6. 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FD‘F P† WKˆ›F Yƒ›W E SKƒQ UD Gˆ‡‘L WD‘F „†œQJ QKH› &D‘F Yƒ›W OL…›X VDSULF QKˆ Yƒ›\ WD›R UD P†œW Yƒ›W WK…˜ FKR FD‘F ORD›L WKDQ EXŽQ WKX\ FƒšS QKˆQJ FR‘ QKL…—X QJRD›L O…› NKD‘F QKDX Âáút hæîu cå vaì than buìn (Histosols) Voî-Toìng Anh, 1998 10 5ˆŽQJ QJƒ›S P‚›Q EDR J†—P FD‘F Yƒ›W OL…›X KˆX F‡ FKˆD SKƒQ KX\ ILEULF JLRŽQ YDŽ WK† ODŽ P†œW YŒ GX› 7UD›QJ WKD‘L WUXQJ JLDQ KHPLF FXQJ WKˆ‡ŽQJ J‚›S ‡ WKDQ... NK†˜QJ   GXQJ WURœQJW\ WURœQJ FXD WKDQ EXŽQ ILEULF FR‘ QJX†—Q J†šF WˆŽ PˆD ODŽ  PP  3Kƒ—Q [D‘F ED ‡ FD‘F Wƒ—QJ E…Q Gˆ‡‘L FKŠ FKL…šP WˆŽ  „…šQ  WKHR WK…˜ WŒFK SKƒ—Q U‚–Q Âáút hæîu cå vaì than buìn (Histosols) Voî-Toìng Anh, 1998 11 7KDQ EXŽQ Wˆ› QKL…Q FR‘ WK…˜ JLˆ „ˆ‡œF KDŽP Oˆ‡œQJ Qˆ‡‘F FDR 7X\ QKL…Q Q…šX „ƒšW E NK† „L „…šQ JL‡‘L KD›Q SKƒ—Q Qˆ‡‘F KX‘W JLˆ „ˆ‡œF E NL…›W VDX „R‘ Q…šX... 0J2 FR‘ [X Kˆ‡‘QJ JLD W‚QJ +DŽP Oˆ‡œQJ 1D &O YDŽ 62 WXŽ\ WKX†œF UƒšW O‡‘Q YDŽR „L…—X NL…›Q FX› WK…˜ QKˆ NKRDQJ FD‘FK „…šQ E‡Ž EL…˜Q YDŽ Vˆ› KL…›Q GL…›Q FXD S\ULWH WURQJ WKDQ EXŽQ Âáút hæîu cå vaì than buìn (Histosols) Voî-Toìng Anh, 1998 12 +DŽP Oˆ‡œQJ 1 WURQJ WKDQ EXŽQ GDR „†œQJ WURQJ NKRDQJ  „…šQ  NJ 1KD  WU…Q    FP FKL…—X GDŽ\ QKˆQJ FKŠ FR‘ P†œW SKƒ—Q QKR ‡ GD›QJ G…™ WL…X... „D EƒšW QJ‡Ž ODŽ KRD›W „†œQJ FR‘ WD‘F GX›QJ NŒFK WKŒFK Fƒ\ WU†—QJ SKD‘W WUL…˜Q W†šW K‡Q QKˆQJ FD‘F O\‘ GR FKŒQK „D‘QJ FXD „†šW FXQJ QKˆ FD‘F DQK Kˆ‡QJ FKL WL…šW FXD QR‘ FRŽQ „DQJ Âáút hæîu cå vaì than buìn (Histosols) Voî-Toìng Anh, 1998 13 ODŽ YƒšQ „…— Fƒ—Q WKDR OXƒ›Q 1KˆQJ QJˆ‡ŽL XQJ K†œ FKR JLD WKL…šW QDŽ\ FKR U‚“QJ TXD‘ WU‰QK „†šW QDŽ\ NK†QJ WD‘F KD›L K‡Q ODŽ TXD‘ WU‰QK †[\ KR‘D WURQJ... WL…šQ WU‰QK †[\ KR‘D VLQK KR‘D KRœF YDŽ E „†šW FKD‘\ 9L…›F WKDQ EXŽQ E PƒšW „L  YŒ GX› QKˆ GR E [R‘L PRŽQ  ODŽ P†œW YƒšQ „…— O‡‘Q WU…Q QKL…—X +LVWRVROV KL…›Q QD\ ‡ YXŽQJ †Q „‡‘L Âáút hæîu cå vaì than buìn (Histosols) Voî-Toìng Anh, 1998 14 . QJ7S&ĂQ7K7HO)D[ :HEVLWHKWWSZZZFWXHGXYQNQQHPDLO GPLQK#FWXHGXYQYWDQK#FWXHGXYQ đất hữu cơ và than bùn (histosols) Biên soạn bởi Võ-Tòng Anh, 1988 Dùng để giảng dạy cho các lớp Tập Huấn Ngắn Hạn Chuyên Đề Âáút hæîu cå vaì than buìn (Histosols). VX FPKDKQWPWWFRWKRDWWKXNHPQUWNHP 7HUULF+LVWRVROV+VV  Âáút hæîu cå vaì than buìn (Histosols) Voî-Toìng Anh, 1998 6 4. ÂÀÛC TÊNH VÀÕN TÀÕT CUÍA HISTOSOLS  <vQJKDWKDQEXQOWKXWWFKF+/DSKLVWRVVL  0XFKW YWOLXKXFSKQKXFRQVRWODLFRKDNKQJFDFYWOLXFSKDWFDW WKWVHWNKRDQJ  0LWUQJ DV+LVWRVROVFKQKWKDQKYXQJEFEDQFXltQKQJYXQJNKDF +LVWRVROVFJLLKDQWKXKHSODLWDLQKQJYXQJPWUXQJYDWKXQJOXQJYLVX PFQFQJPJQPWWYDWUQQKQJYXQJFDRYLWVOQJPDWUQEFWKRDW KLQFFDR  3KDWWULQSKXGLQKXKWWKXFQKRPSKXGLQ+KD+&U6ELQLFXD[DFED  FWUQJTXDFDFWLQWUQKSKQKXVLQKKRDKRFWDLFKFXQJQKVWKDQKOSFXDFDF YWOLXKXFWDRUDPWWKDPWQJPWFKDWRDQWWL[S9WOLXKXFELQWQK QDFRWKWFKWXWKDQKQKQJWQJOSGDYDPWSKQEUDWULYDRWURQJQQW  6GXQJ WWKDQEXQWKQJFVGXQJFKRQKLXGDQJOPQJKLSYDKRFQJFR KDJLQJXQ  5 +DLFWQKQDFGXQJFKWQKWUDQJNKKRFWLQWUQKNKKRDVWFKR FDFORDLWEEDRKRDQFPWWKLJLDQWURQJQPKRFVXWQPiFWQKQDFRFDF FLPVDX Âáút hæîu cå vaì than buìn (Histosols) Voî-Toìng Anh, 1998 3  D6NKFWKKLQTXDPWWURQJQKQJFLPVDX *LDWU () rH Eh