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Differentiation and regionalization of rainfall erosivity factor values in the Czech Republic
rainfall rainfall erosivity factor water erosion
2015/3/5
The rain erosivity R-factor is one of the main parameters in the Universal Soil Loss Equation (USLE). This paper describes the procedure used to update, differentiate and regionalize the rainfall eros...
The Actual Consumption of Water by Selected Cultivated and Weed Species of Plants and the Actual Values of Evapotranspiration of the Stands as Determined Under Field Conditions
transpiration evapotranspiration Brassica napus Beta vulgaris
2015/3/1
In the years 2005 to 2008, the consumption of water by selected cultivated and weed species under
the field conditions and the values of the actual evapotranspiration in selected stands of cultivate...
Effects of Different Kinds of Fertilizer and Application Methods on δ15N Values of Tomato
organic products quality stable isotope
2009/6/10
Effects of different kinds of fertilizer and application methods on tomato yields and inorganic nutrient contents were investigated. The contribution of nitrogen usage to tomato production for each fe...
Research on the Performance Values of Some Fertilizer Metering Devices Used For Band Fertilizing
Performance Values Fertilizer Metering Devices Band Fertilizing
2009/1/15
The objectives of this research were , to find the effect of working conditions and different content of fertilizing material (amonium nitrat) on the performance of metering devices used for band plac...
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...
Phosphorus status of diverse soils in Finland as influenced by long-term P fertilisation 2.Changes of soil test values in relation to P balance with references to incorporation depth of residual and freshly applied P
Acetate extractable P Olsen P sampling depth total P water extractable P
2010/8/13
Fertilising with phosphorus (P) ensures continuous supply of an essential growth factor as necessary for productive and sustainable agriculture. The amounts of P required to attain and maintain an ade...