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沼液还田的困难限制了沼气工程的发展和粪污养分回归农田。目前主流的沼液处理方式是自然稳定后应用于农田。但是这个过程会导致养分和有益微生物的流失,且沼液成分复杂,目前缺乏全面的沼液农艺品质评估方法。因此沼液的农田施用仍存在风险。
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
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...
Physio-Chemical Evaluation and Functional Assessment of Native Wetland Soils and Organic Amendments for Freshwater Mitigation Wetlands
mitigation wetlands wetland soils organic amendments for mitigation wetlands nonpoint source pollution
2014/11/17
Due to the history of wetland loss within the United States a National “No Net Loss” policy was adopted in 1988. This policy requires the creation of mitigation wetlands to replace lost and/or damaged...
The effect of crop sequences on soil microbial, chemical and physical indicators and its relationship with soybean sudden death syndrome (complex of Fusarium species)
physical variables soybean sudden death syndrome
2014/10/23
The effect of crop sequences on soil quality indicators and its relationship with sudden death syndrome (SDS, a complex of Fusarium species) was evaluated by physical, chemical, biochemical and molecu...
Chemical properties of wild coffee forest soils in Ethiopia and management implications
Carbon Sequestration Coffee Forest Environments
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
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
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...
Effect of Nitrogen Forms and Biostimulants Foliar Application on the Growth, Yield and Chemical Composition of Hot Pepper Grown under Sandy Soil Conditions
Capsicum annuum N forms Biostimulation K citrate K humate
2010/11/15
A study was conducted in order to assess the effect of different N fertilization forms
(ammonium sulfate, urea, calcium nitrate and ammonium nitrate) and biostimulants foliar application (potassium h...
Estimation of Potential Supply of Livestock Waste Compost to Replace Chemical Fertilizer Use in Japan Based on 2000 Census of Agriculture
animal industry environment nitrogen phosphorus potassium
2009/9/9
Legislation represented by the Livestock Waste Disposal Law and Compost Quality Control Law wereenacted in order to reduce the excessive use of chemical fertilizer and disposal of untreated livestock ...
Estimation of Potential Supply of Livestock Waste Compost to Replace Chemical Fertilizer Use in Japan Based on 2000 Census of Agriculture
animal industry environment nitrogen phosphorus potassium
2009/9/9
Legislation represented by the Livestock Waste Disposal Law and Compost Quality Control Law wereenacted in order to reduce the excessive use of chemical fertilizer and disposal of untreated livestock ...
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
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...
Growth and Yield Characteristics of Manaw Thu Kha, a Myanmar Rice Cultivar, Influenced by the Kind of Chemical Fertilizer and its Application Method
Heading characteristics Leaf area index Leaf color value Light extinction coefficient Manaw Thu Kha
2009/7/8
The growth and yield of Manaw Thu Kha (MTK), a high yielding rice cultivar in Myanmar, were studied comparison with those of Japanese cultivars, Koshihikari (KH) and Nipponbare (NB). Four fertilizatio...
Effects of Overhead Mixed Liquid Fertilizer Application on Sandy Soil Chemical Properties of Satsuma Mandarin Orchard
citrus fertilizing pot soil chemical property
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...
Properties and the Effect on the Growth of Leafy Vegetables of the Livestock Waste Pellet Fertilizer with Chemical Fertilizer Added
Cattle waste Organic fertilizer Pellet Pig waste
2009/7/8
We developed pellet fertilizer from livestock waste by adding chemical fertilizer and clarified the properties and its effect on the growth of leafy vegetables. The water content of raw livestock wast...
Volatile Dense Chemical Liquids in Groundwaters Can Produce Slowly Bubbling Gas Flow
Volatile Dense Chemical Liquids Groundwaters Bubbling Gas
2009/12/16
The successful cleanup of DNAPL-contaminated sites depends on our ability to understand the processes that transfer the contamination from the source of a spill to the surrounding groundwater. Until r...