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石河子垦区土壤有效硅空间分布及影响因素
其他题名Spatial Distribution and Affecting Factors of Soil Available Si in Shihezi Region
马新; 陈家杰; 褚贵新
来源期刊西北农业学报
ISSN1004-1389
出版年2016
卷号25期号:2页码:276-282
中文摘要通过野外取样实测和基于ArcGIS软件的地统计学分析空间插值方法对石河子垦区18个农牧团场(莫索湾、下野地、安集海、石河子)土壤有效硅(SiO_2)及其空间分布状况进行调查分析,并研究土壤机械组成、有机质、全氮、全磷、及pH等理化指标对土壤有效硅影响的关系。结果表明:石河子垦区耕层0~20 cm土壤有效硅处于较丰富水平,平均质量分数为313.3 mg·kg~(-1)。受"高山-绿洲-沙漠"山盆结构地形地貌影响,石河子垦区有效硅空间分布存在明显不均衡性,整体呈现东南高而西北较低的特点。4个灌区土壤有效硅平均质量分数顺序为:石河子>安集海>莫索湾>下野地。垦区土壤pH为7.58~9.11,在此范围内有效硅随pH增加而明显降低。垦区土壤有效硅显著受土壤粘粒影响,并随土壤粘粒的增加而升高(r=0.291,P<0.01)。土壤有效硅与土壤肥力因素中的有机质和全磷呈极显著正相关,但与土壤全氮相关性不明显。可见,土壤有效硅与土壤pH、粘粒、有机质、全磷紧密相关。
英文摘要As a beneficial element,silicon plays significant role in crop growth promotion and resistance strengthen. Employing spatial interpolation of ArcGIS geostatistical method, soil available silicon mass fraction(SiO_2) as well as soil Si geographical distribution characteristics were investigated in soil of irrigated grey desert in Shihezi region (including four sub-region in Mosuowan, Xiayedi, Anjihai and Shihezi). Moreover, the influences of soil pH, soli organic matter(SOM), soil clay mass fraction(soil texture) and soil nutritional elements(soil total N and total P) on available Si spatial distribution were studied. It is found that soil available Si was abundant in 0-20 cm depth of topsoil, and the average available Si mass fraction was 313.3 mg·kg~(-1) in Shihezi region. Soil available Si spatial distribution was heterogeneity, the topographic structure of "Mountain-Oasis-Desert" had an obvious influence on spatial distribution of soil available silicon mass fraction, and it was observed that soil available Si mass fraction was significantly higher in southeastern than that in northwestern in Shihezi. The order of soil average available Si mass fraction in sub-region of Shihezi was Shihezi>Anjihai> Mosuowan> Xiayedi. Soil available Si mass fraction decreased significantly with increase of soil pH among soil pH range of 7.58-9.11. Soil texture(soil clay mass fraction) had marked effects on soil available Si mass fraction, and soil available Si increased with increase of soil clay mass fraction (r=0.291,P<0.01). Furthermore, there had a positive correlated relationship between soil available Si with SOM and soil total P, no statistical relation was observed between soil available Si mass fraction with soil total N. The soil available Si closely related to soil pH, clay, SOM and total P.
中文关键词土壤有效硅 ; 石河子垦区 ; 空间分布 ; 土壤机械组成 ; 土壤pH
英文关键词Soil available Si Shihezi region Spatial distribution Soil texture Soil pH
语种中文
国家中国
收录类别CSCD
WOS类目AGRICULTURE MULTIDISCIPLINARY
WOS研究方向Agriculture
CSCD记录号CSCD:5629946
来源机构石河子大学
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/235142
作者单位石河子大学农学院, 新疆生产建设兵团绿洲生态农业重点实验室, 石河子, 新疆 832003, 中国
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马新,陈家杰,褚贵新. 石河子垦区土壤有效硅空间分布及影响因素[J]. 石河子大学,2016,25(2):276-282.
APA 马新,陈家杰,&褚贵新.(2016).石河子垦区土壤有效硅空间分布及影响因素.西北农业学报,25(2),276-282.
MLA 马新,et al."石河子垦区土壤有效硅空间分布及影响因素".西北农业学报 25.2(2016):276-282.
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