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南京农业大学土壤学课件 Major Soils of the World。
Modelling the backscattering coefficient of salt-affected soils using AIEM model
Soil salinity dielectric constant dielectric mixing model backscattering coefficient AIEM
2013/9/2
Soil salinity principally affects soil properties, environment and productivity of agricultural areas for developing countries. Currently, no inversion algorithms exist for directly determining soil s...
Water repellency of clay, sand and organic soils in Finland
Water repellency hydrophobicity infiltrometer ethanol clay soil sand soil organic soil boreal climate zone
2010/8/9
Water repellency (WR) delays soil wetting process, increases preferential flow and may give rise to surface runoff and consequent erosion. WR is commonly recognized in the soils of warm and temperate ...
Effects of repeated phosphorus fertilisation on field crops in Finland 2.Sufficient phosphorus application rates on silty and sandy soils
acid ammonium acetate method soil test P soil phosphorus sufficient P fertilisation
2010/8/10
In order to update fertilisation recommendations for Finnish silty and sandy soils, the effects of repeated phosphorus (P) fertilisation on the yields of cereals, grasses and other crops were measured...
Stream plant chemistry as indicator of acid sulphate soils in Sweden
acid sulphate soils water biogeochemistry metals mapping
2010/8/11
Results from the biogeochemical mapping (roots of aquatic plants and Fontinalis antipyretica) conducted by the Geological Survey of Sweden (SGU) reflects the metal load of surface waters draining acid...