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Decision support system for agricultural land use and fertilisation optimisation: a case study on barley production in Estonia
barley fertilisation geographical information system land use decision making risk factors soil map
2010/8/10
The success of the decision support systems, developed within GIS with application of different models, depends on the quality of initial data and the models themselves as well as on the possibilities...
Over-wintering of the Colorado potato beetle (Leptinotarsa decemlineata Say) in field conditions and factors affecting its population density in Estonia
Colorado potato beetles overwintering soil type mortality
2010/1/14
The adaptation of Colorado potato beetles (CPB) (Leptinotarsa decemlineata Say) to low temperatures has been the basis for the formation of a local permanent population in Estonia. The number of this ...
Chemical parameters of coastal grassland soils in Estonia
coastal grassland soil chemical parameters humus layer depth bulk density impact of grazing
2010/1/13
Larger areas of coastal grasslands can be found in western Estonia and in the islands of the west coast. Salt marshes of the Baltic Sea are not natural biotopes but developed by agricultural use, main...