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Comparative effects of different soil amendments on amelioration of saline-sodic soils
amendments plant salinity sodicity soil yield
2015/3/3
A greenhouse experiment was conducted to test the potential of different soil amendments in saline-sodic soils reclamation; to affect the growth response of alfalfa (Medicago sativa L.) plants grown o...
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...
Understanding Phosphorus in Soils Is Vital to Proper Management
Phosphorus in Soils Proper Management
2009/12/16
Phosphorus is one of the key nutrients that can cause algal blooms and related water quality problems in lakes, rivers, and estuaries worldwide. Phosphorus entering waters originates from a variety o...
Effects of repeated phosphorus fertilisation on field crops in Finland 1.Yield responses on clay and loam soils relation to soil test P values
Acid ammonium acetate method optimal soil test P soil acidity soil phosphorus
2010/8/10
In order to update phosphorus (P) fertiliser recommendations for the Finnish clay and loam soils enriched with applied P, the effects of repeated P fertilisation on the yields of cereal and other crop...
THE SPATIAL VARIABILITY OF UREASE ACTIVITY OF SURFACE AGRICULTURAL SOILS WITHIN AN URBAN AREA
soil urease activity site specific management
2010/11/30
Soil enzymes play a major role in the mineralization processes of organic materials. The soil enzymes originate from animal, plant and microbial sources and the resulting soil biological activity incl...
A comparison of nitrogen and carbon reserves in acid sulphate and non acid sulphate soils in western Finland
carbon nitrogen nitrification mineralization soil organic matter acid sulphate soils subsoil drainage humus
2010/8/11
Previous studies suggest that nitrogen (N) loads from acid sulphate soil (AS soil) catchments in Finland are higher than those from other agricultural catchments. This study seeks to explain this diff...
Changes of nitrogen assimilation and intracellular fluid pH in plants of barley depending on bulk density of compacted soils
soil compaction soil bulk density nutrients nitrogen assimilation cellular fluid pH
2010/1/12
The penetration resistance of different arable soils is quite different depending on the Estonian area. We are briefly introducing the results of our research on soil compaction, penetration resistanc...
The soil quality concept and its importance in the study of Finnish arable soils
soil quality sustainability indicators monitoring soil biology soil microbiology soil fauna earthworms
2010/8/16
Arable soil is a functional unit whose condition is vital to crop production, but also to ecosystems at large owing to the significant role of soil in global nutrient cycles and balances. The soil qua...