Soil Distribution Characteristics,Physical and Chemical Properties in Lhasa Valley

doi:10.13466/j.cnki.lyzygl.2017.04.018

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FOREST RESOURCES WANAGEMENT ›› 2017›› Issue (4): 117-123.doi: 10.13466/j.cnki.lyzygl.2017.04.018

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Soil Distribution Characteristics,Physical and Chemical Properties in Lhasa Valley

LU Zeyang()

Academy of Forest Inventory and Planning,SFA,Beijing 100714,China

Received:2017-05-20 Revised:2017-06-08 Online:2017-08-28 Published:2020-09-24

Abstract

CLC Number:

S714

LU Zeyang. Soil Distribution Characteristics,Physical and Chemical Properties in Lhasa Valley[J]. FOREST RESOURCES WANAGEMENT, 2017, (4): 117-123.

Figures/Tables 11

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深度/cm	pH	OM	全N/%	C/N	全P/%	砂粒 2~0.02	粉粒 0.02~0.002	粘粒 <0.002	质地
0~8	8.2	0.26	0.025	6.0	0.114	93.8	3.8	2.4	砂土
8~19	8.8	0.18	0.023	4.5	0.094	93.9	3.4	2.7	砂土
19~40	8.8	0.21	0.020	6.1	0.113	95.8	2.4	1.8	砂土
40~62	8.9	0.29	0.028	6.0	0.068	95.2	2.6	2.2	砂土
62~80	8.8	0.18	0.021	5.0	0.091	95.6	2.2	2.2	砂土

深度/cm	pH	OM	全N/%	C/N	全P	全K/%	碱解N	速效P /(mg/kg)	速效K	CEC /(coml/kg)
0~11	7.9	0.54	0.049	6.4	0.079	2.76	35	4.6	41	3.7
11~25	9.2	0.46	0.040	6.7	0.071	2.68	26	2.5	19	4.0
25~40	8.7	0.47	0.039	7.0	0.090	2.59	21	0.4	15	4.3
40~75	8.0	0.27	0.030	5.2	0.056	2.57	16	1.4	24	4.4
75~100	7.8	0.16	0.019	4.9	0.073	2.49	4	4.0	23	2.8

深度/cm	pH	OM	全N/%	C/N	全P	全K/%	碱解N	速效P /(mg/kg)	速效K	CEC /(coml/kg)
0~18	6.5	2.24	0.141	9.2	0.145	2.05	87	21.6	80	9.3
18~36	6.8	1.65	0.094	10.2	0.142	2.02	65	8.2	60	8.8
36~58	7.1	0.58	0.046	7.3	0.157	2.24	22	3.3	51	7.6
58~100	7.3	0.048	0.041	6.8	0.125	2.09	20	3.7	51	7.5

深度/cm	pH	OM	全N/%	C/N	全P	全K/%	碱解N	速效P /(mg/kg)	速效K	CEC /(coml/kg)
0~10	8.4	1.60	0.019	9.7	0.053	2.27	66	3.0	59	7.5
10~34	8.3	0.96	0.059	9.7			47	3.3	42	6.5
34~57	7.9	0.42	0.024	10.2	0.035	2.42	26	2.4	20	3.8
57~72	7.7	0.37	0.022	9.8			21	2.6	14	3.5

深度/cm	pH	OM	全N/%	全P	全K	碱解N	速效P /(mg/kg)	速效K	CEC /(coml/kg)
~19	8.2	1.32	0.106	0.133	1.53	72	8.0	100	10.7
19~44	8.5	1.29	0.089	0.133	1.60	56	9.7	100	10.2
44~70	8.6	0.46	0.047	0.138	1.34	24	2.5	73	8.6
70~100	8.1	0.82	0.054	0.127	1.51	27	3.0	113	10.4

Soil Distribution Characteristics,Physical and Chemical Properties in Lhasa Valley

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深度/cm	pH	OM	全N/%	C/N	全P	全K/%	碱解N	速效P /(mg/kg)	速效K	CEC /(coml/kg)
0~11	6.4	2.02	0.103	11.4	0.043	3.35	90	1.9	90	5.6
11~39	7.0	1.36	0.082	9.6	0.036	3.38	63	1.6	56	7.2
39~58	7.1	1.41	0.075	10.9	0.026	3.59	54	1.4	61	10.8
58~76	7.5	0.50	0.035	8.3	0.021	3.54	27	1.7	49	5.9
78~100	7.5	0.31	0.023	7.8	0.032	3.80	20	3.6	42	6.0

深度/cm	pH	OM	全N/%	C/N	全P	全K/%	碱解N	速效P /(mg/kg)	速效K	CEC /(coml/kg)
0~20	7.2	2.61	0.140	10.8	0.085	2.36	122	4.4	115	9.4
20~30	7.1	1.91	0.112	9.9	0.099	2.36	105	3.0	112	8.0
30~55	7.2	0.56	0.052	6.2	0.081	2.89	27	2.6	104	7.1
55~90	7.3	0.30	0.030	5.8	0.056	2.84	14	6.8	64	3.8
90~120	7.5	0.86	0.060	8.3	0.081	2.79	27	10.8	76	9.1

深度/cm	pH	OM	全N/%	C/N	全P	全K/%	碱解N	速效P /(mg/kg)	速效K	CEC /(coml/kg)
0~15	7.3	3.86	0.219	10.2	0.094	2.40	148	12.3	160	15.0
15~28	7.5	3.54	0.201	10.2	0.095	2.49	139	10.7	113	14.8
28~64	7.9	0.93	0.071	7.6			31	8.6	63	8.7
64~100	8.0	0.84	0.059	8.3			36	7.1	59	7.4

深度/cm	pH	OM	全N/%	C/N	全P	全K/%	碱解N	速效P /(mg/kg)	速效K	CEC /(coml/kg)
0~16	1	2.37	0.143	9.6	0.120	1.64	73	0.6	95	7.7
16~29	4	0.58	0.045	7.5	0.136	1.52	22	0.8	44	4.7
29~50	4	0.51	0.040	7.4	0.108	1.71	17	1.0	41	6.1
50~75	4	0.52	0.031	9.7	0.103	1.70	12	2.8	40	6.9

深度/cm	pH	OM	全N/%	C/N	全P	全K/%	碱解N	速效P /(mg/kg)	速效K	CEC /(coml/kg)
0~3	7.4	1.78	0.109	9.5	0.074	0.074	77	3.8	169	7.1
3~19	8.0	1.42	0.084	9.8	0.077	0.077	56	1.1	77	7.7
19~50	7.3	0.38	0.029	7.6	0.115	0.115	20	1.8	26	3.7
50~105	8.4	0.67	0.042	9.2	0.066	0.066	24	1.4	36	8.0
105~150	8.4	0.33	0.022	8.7	0.060	0.060	17	2.4	28	11.2

海拔高度/m	生物气候带	土壤带
5300~6000	寒带半干旱半湿润冰缘带稀疏垫状植被	高山寒漠土带
4700~5200	寒带(亚寒带)半湿润高山草甸植被	高山草甸土带
4100~4600	亚寒带(寒温带)半湿润半干旱高山草甸植被	亚高山草甸土带
3600~3900	温带(寒温带)半干旱山地灌丛草原植被	山地灌丛草原土带

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