Abstract
UDK 631.41(4)
 Based on 3 large European sets of soil and land data 6 land indicators for soil resilience and soil performance were chosen for defining land and soil surfaces in Europe, on which sustainable agricultural production can be achieved and under which conditions. In this context, also desintensification on specific areas was proposed in order to achieve sustainability and environmentally safe conditions. On this basis data for arable land in 25 states of the EU 28 could be established, indicating that on 41% of the arable land a sustainable intensification is possible, on 4% extensification is needed, and on the remaining 55% no intensification is possible or only with restrictions.
Highlights
AND DEFINITION OF THE AIMSBy 2050, the world population will reach more than 9 billion according to actual UN projections (Alexandratos and Bruinsma, 2012)
Because of a lack of data, not all arable land could be covered by this study
The results show for an analyzed area of 671.672 km2 of arable land in Europe, that almost half of it (49%; class 1 + 2) is not suitable for sustainable intensification
Summary
AND DEFINITION OF THE AIMSBy 2050, the world population will reach more than 9 billion according to actual UN projections (Alexandratos and Bruinsma, 2012). The “green revolution” starting in the 1960s allowed an enormous increase of yield in the past 40 years mainly due to greater inputs of fertilizers, irrigation, new crop strains, agricultural machineries and other technologies (Tilman et al, 2002). To meet the needs of agricultural products by 2050, further intensification of food production will be necessary. It has to be considered, that high input production needs more energy, fertilizer and irrigation. This has adverse effects on soil and Winfried E.H. Blum, Jasmin Schiefer, Georg J. Lair environmental quality such as biodiversity, groundwater and surface water quality, and air due to greenhouse gas emissions
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