搜索结果: 1-4 共查到“农学 nutrient losses”相关记录4条 . 查询时间(0.07 秒)
Lysimetric research of nutrient losses from organic fertilizers
organic fertilizer nitrates nitrites ammonium ions lysimetric water
2010/1/19
In organic agricultural production high quality and safe agricultural products and
foodstuffs are produced. It is believed that organic fertilizers are slower to wash out into water, because their m...
Influence of EU policy on agricultural nutrient losses and the state of receiving surface waters in Finland
Agriculture eutrophication nutrients water quality runoff rivers lakes estuaries climate change
2010/8/9
In Finland, the first large-scale efforts to control nutrient loading from agriculture got under way with the introduction of the EU Agri-Environmental Program in 1995. We examined whether these effor...
Serious soil erosion is one of the major issues threatening sustainable land use in semiarid areas, especially in the Loess Plateau of China. Understanding the effects of land use on soil ...
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...