Rhizosphere Soil Chemical Properties of Different Tree Species in Mountain Areas of Northern Hebei

doi:10.13466/j.cnki.lyzygl.2022.05.019

Abstract

Abstract:

In order to understand the differences of rhizosphere soil nutrients among different tree species in mountain areas of northern Hebei,the chemical properties of rhizosphere soil of six tree species(Larix principisrupprechtii,Betula platyphylla,Juglans mandshurica,Ulmus pumila,Sorbus pohuashanensis and Pinus sylvestris)in the region were analyzed.The results showed that:1)among the total nutrients in rhizosphere soil of the six tree species,the content of total organic carbon in soil ranged from 33.90 to 107.65 mg/g,the content of total nitrogen in soil ranged from 2.40 to 8.65 mg/g,and the content of total phosphorus in soil ranged from 627.35 to 829.60mg/kg.Among them,Juglans mandshurica had the highest content of total phosphorus,and Betula platyphylla had the highest content of total nitrogen and total carbon.2)The highest content of ammonia nitrogen in soil was Pinus sylvestris,which was significantly higher than that of other tree species;Juglans mandshurica had the highest content of available phosphorus in soil;Ulmus pumila had the highest content of nitrate nitrogen,available nitrogen,and available potassium in soil.3)The range of C/N,C/P and N/P in rhizosphere soil were 11.64~12.62,69.34~128.10 and 4.89~10.29,respectively.Pinus sylvestris had the highest C/N ratio,and Betula platyphylla had the highest C/Pand N/P ratios.4)The correlation analysis showed that there was a significant or extremely significant positive correlation between soil pH,soil moisture content and soil nutrients;there was also a significant or extremely significant positive correlation between available nutrients and total nutrients.

Key words: mountain areas of northern Hebei, rhizosphere soil, tree species, chemical property

CLC Number:

S714.2

YANG Liu, SHAO Hongyuan, LI Xiao, XU Guoqiao, MA Jiaojiao, JIA Yanlong, XU Zhongqi. Rhizosphere Soil Chemical Properties of Different Tree Species in Mountain Areas of Northern Hebei[J]. FOREST RESOURCES WANAGEMENT, 2022, (5): 153-159.

Figures/Tables 4

Tab.1

Tab.2

Characteristics of available nutrients in rhizosphere soil of six tree species mg/kg

树种	AN	AP	AK	$NH 4 +$ -N	$NO 3 -$ -N
白桦Betula platyphylla	65.15±1.36ab	14.20±2.37cd	331.62±18.27c	10.90±1.92bc	54.25±0.56ab
白榆Ulmus pumila	67.19±9.35a	21.83±3.5b	433.48±3.46a	9.68±2.08c	57.51±7.72a
胡桃楸Juglans Mandshurica	53.58±5.67bc	28.50±5.17a	405.01±6.58b	4.85±1.05d	48.73±4.62abc
花楸Sorbus pohuashanensis	56.37±2.17abc	10.55±2.0de	298.28±3.89d	13.29±0.83b	43.09±3.00bc
华北落叶松Larix principis-rupprechtii	46.19±9.32c	12.30±1.9cd	395.72±0.33b	9.15±0.49c	37.04±9.70c
樟子松Pinus sylvestris	21.35±0.13d	5.13±0.41e	320.71±8.7c	20.89±0.023a	0.46±0.11d

Tab.2

Tab.3

Fig.1

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树种	TC/(mg/g)	TN/(mg/g)	TP/(mg/kg)
白桦Betula platyphylla	107.65±2.41a	8.65±0.37a	804.60±29.8a
白榆Ulmus pumila	87.85±2.08b	7.55±0.04b	736.95±17.11b
胡桃楸Juglans Mandshurica	80.90±5.50bc	6.85±0.45bc	829.60±4.57a
花楸Sorbus pohuashanensis	76.90±6.21cd	6.10±0.57cd	680.26±17.17c
华北落叶松Larix principis-rupprechtii	68.40±1.96d	5.65±0.20d	627.35±35.23d
樟子松Pinus sylvestris	33.90±3.27e	2.40±0.16e	490.52±12.96e

树种	C/N	C/P	N/P
白桦Betula platyphylla	12.46±0.25ab	128.10± 4.08a	10.29±0.41a
白榆Ulmus pumila	11.64±0.34b	119.34± 5.60ab	10.25±0.18a
胡桃楸Juglans Mandshurica	11.81±0.07b	97.56± 7.53c	8.26±0.59b
花楸Sorbus pohuashanensis	12.62±0.17ab	113.23±10.65abc	8.98±0.96b
华北落叶松Larix principis-rupprechtii	12.11±0.09b	109.20± 3.02bc	9.02±0.18b
樟子松Pinus sylvestris	14.23±1.94a	69.34± 8.49d	4.89±0.29c