THE SPATIAL VARIABILITY OF PHYSICO-CHEMICAL PROPERTIES AS A STRESS FACTOR IN A NON-REGULARLY OVERFLOWED AREA

被引：0

作者：

Kotorova, Dana ^{[1
]}

Soltysova, Bozena ^{[1
]}

Kovac, Ladislav ^{[1
]}

Mati, Rastislav ^{[1
]}

机构：

[1] SARC Inst Agroecol, Michalovce 07101, Slovakia

来源：

CEREAL RESEARCH COMMUNICATIONS | 2009年 / 37卷

关键词：

no-regularly overflowing; dry polder; physico-chemical soil properties; spatial variability; MOISTURE REGIME;

D O I：

暂无

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Research of spatial variability of soil properties was realized in years 2006-2008. Eight soil profiles were observed. Soil samples were taken from depths 0.0-0.3 m and 0.3-0.6 m in spring time. Sampling sites were represented with arable land and perennial grass stands (pastures, meadows), wetty and dry soil. Important spatial variability of soil properties at no-regularly overflowing area was confirmed with large range of soil parameters. Specific gravity was in range 2485-2760 kg m(-3), bulk density 1011-1826 kg m(-3), porosity 31.81-61.36 %, maximum capillary capacity 29.25-55.03 %, soil reaction (pH/KCl) 3.81-5.75, humus 0.75-7.11 %, humic acids 0.06-0.68 %, fluvic acids 0.27-1.23 %, clay particles 22.34-86.16 %. By content of clay particles in sampling profiles soil of this area is sandy-loamy till clay.

引用

页码：387 / 390

页数：4

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