搜索结果: 1-5 共查到“土壤改良学 FIELD”相关记录5条 . 查询时间(0.219 秒)
Geostatistical analysis of soil texture fractions on the field scale
estimation uncertainty kriging prediction soil texture fractions spatial variability
2015/3/3
Geostatistical estimation methods including ordinary kriging (OK), lognormal ordinary kriging (LOK), cokriging (COK), and indicator kriging (IK) are compared for the purposes of prediction and, in par...
Phytoremediation of heavy metal polluted field
Phytoremediation heavy metal polluted field
2009/7/14
Phytoremediation of heavy metal polluted field.
Simulated nitrogen leaching, nitrogen mass field balances and their correlation on four farms in south-western Finland during the period 2000 2005
agricultural production sectors nitrogen balance nitrogen leaching process-based modelling analysis of covariate
2010/8/9
Nitrogen (N) gross balance is one of the indicators designed for following developments in agriculture in the European Union. A nutrient surplus occurs when the quantity of a nutrient applied in ferti...
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...
Reduced tillage: Influence on erosion and nutrient losses in a clayey field in southern
erosion nitrogen phosphorus losses from soil tillage water
2010/8/13
Reduced tillage was compared with traditional ploughing in terms of erosion and phosphorus (P) and nitrogen (N) losses in an experimental field in southern Finland. One part of the field has been plou...