Hinh Thai Tho Nhuong
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Transcript of Hinh Thai Tho Nhuong
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I PHU DIN T
II CU TNG T
III MU SC CA TH NHNG
IV CC TH XM NHP
V CC TH MI SINH
NI DUNG
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I. PHU DIN T
- Khi nim : L mt ct th nhng l ra cctng pht sinh
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- Phn loi
+ Phu din t c trng cho cc loi t t thnh hnh thnh nhng vng c iu kin thot nc tt
Tng gc (D)
Tng tch mn (A)
Tng tch t (B) Tng m (C)
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A0
A1
B
C
D
PHU DIN TPTDN
A
B
C
A B
C
PHU DIN T HT D (1) V T NU (2)
(1) (2)
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ACA
A/B
C
AC
A
A/B
C
AC
A
A/B
C
Cacbonat Cacbonat
Vt phnxit, silic
Thch cao
PHU DIN T SECNOIOM
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+ Phu din t c trng cho cc loi t thu thnh hnh thnh nhng vng ng nc v c nc ngm
Phu din t trng la
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II. CU TNG T
- Khi nim : t ckt ht c coi l c cu tng
- Phn loi : Da vo kt ht phn lm 4 loi
Vin Ht
Tr Phin
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- Vai tr :+ t xp, hng ln, khng kh d luthng thc vt pht trin
+ Tng m, gi nhit, tch ly c cccht dinh dng
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Xi mn, ra tri
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- Cc yu t tc ng ti s hnh thnh cu tng t
+ Keo t + Lp ph thc vt + In hp th : Ca, Mg, Fe
NHN
++
+
++
+++
++
++
+
+
+
+
+
+
+
+ Lp ion to in th
Lp ion to hot ng Lp ion to khuych tn
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t hoang mc
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t ngp mn
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- ph ca t : L kh nng cung cp nhng dinhdng v khong cht cn thit cho s sinh trng vpht trin ca thc vt
+ ph t nhin + ph nhn to
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Cc hot ng lm tng ph ca t
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Cc hot ng lm tng ph ca t
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III. MU SC CA TH NHNG
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S PHI HP MU
Vng Vng nht Da cam Trng
Nu
Ht gi nht
Ht gi
Ht gi xm
en
Xm xm
Xm
Xm nht
Trng c Nunht
Nuxm
en nht
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IV. CC TH XM NHP - Khi nim : L nhng th vt cht tn ti trong phu din th nhng v khng lin quan n cc tng t v mt pht sinh
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V. CC TH MI SINH
- Khi nim :
+ C s phn b li mt cch c quy lut nhng nguyn t ho hc trong phu din t + Mi nguyn t tp trung to nn nhng hp
cht c bit khc hn cht vn c trong t - Vai tr :
+ Hiu qu trnh xy ra trong t
+ Phn on c nhng iu kin c a l cakhu vc
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