搜索结果: 1-9 共查到“土壤学 Chemical properties”相关记录9条 . 查询时间(0.402 秒)
The influence of heavy metals on soil biological and chemical properties
biological activities carbon enzymatic activities heavy metals metabolic quotient nitrogen respiration activity soil sulphur
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2015/3/2
Soil samples were collected at alluvial sites of the Litavka River, which flows through the Beroun and Příbram cities in Central Bohemia Region of the Czech Republic in 2005 and 2006. Higher heav...
Chemical properties of wild coffee forest soils in Ethiopia and management implications
Carbon Sequestration Coffee Forest Environments
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2013/3/5
The study aims at determining the status of soil chemical fertility in four wild coffee forests of southeastern and southwestern Ethiopia. Accordingly, soil samples were collected from surface and sub...
Effects of Filter Cake Fertilization On Soil Chemical Properties and Cassava (Manihot Esculenta Crantz) Yield In Swaziland
Cassava Chemical properties Filter cake Filter mud Organic matter
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2010/11/16
A field investigation was conducted in Swaziland in 2007-2008 cropping season to determine
the effects of filter cake fertilization on soil chemical properties and cassava (Manihot esculenta Crantz) ...
The effect of paper mill sludge on chemical properties of acid soil
Acid soil paper mill lime sludge soil amendment
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2011/1/13
The effect of paper mill lime sludge as acid soil amendment in an experimental study was investigated. Sludge used contained 58.4% calcium carbonates plus a small amount of heavy metals. An incubation...
Soil physical and chemical properties under continuous maize cultivation as influenced by hedgerow trees species on an alfisol in south western Nigeria
Hedgerow alley cropping hydraulic conductivity Pterocarpus Gliricidia
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2010/9/10
In the sub-humid tropical Africa, the pressure of diminishing land resources resulting from the rapidly increasing population has made the traditional fallow systems used for the replenishing soil fer...
Effects of Overhead Mixed Liquid Fertilizer Application on Sandy Soil Chemical Properties of Satsuma Mandarin Orchard
citrus fertilizing pot soil chemical property
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2009/7/8
Effects of mixed application of liquid fertilizer on the sandy soil chemical properties of a satsuma mandarin (Citrus unshiu Marc.) orchard were investigated. One-year-old trees of ‘Miyagawa Wase’/tri...
Some chemical properties of ant mounds in Mongolia.
Ant mound Messor aciculatus Cataglyphys aenescens Natural zone
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2009/3/12
Some chemical and physical properties of four ant mounds were measured to determine the bioturbation effect of ant mounds on surrounding environment, compared ant mounds and their surrounding surface...
Selected chemical properties of soil in the traditional irrigation schemes of the Mbulu district, Tanzania
Calcium cation exchange capacity crop production excessive sodium fertility constraints
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2009/3/4
A survey of chemical soil properties was conducted on six selected irrigation schemes of the Mbulu district, northern Tanzania. The focus of the study was to establish the status of the main min...
Chemical properties of different peat-moorsh soils from the Biebrza River Valley
peat-moorsh soils TOC DOC E4/E6
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2010/1/15
The relationship between soil structure and the ability of soil to stabilize soils organic matter is a key element in soil C dynamics. In this investigation the chemical properties were determined for...