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Library ResourceArtículos de revistas y librosDiciembre, 2013Japón
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Library ResourceArtículos de revistas y librosEnero, 2016
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Library ResourceDocumentos de conferencias e informesDiciembre, 2015Letonia
Abandonment of the agricultural land is a common, topical problem in many post-soviet countries, including Latvia. These changes impact nutrient cycling, soil properties. The results of the study of abandoned agricultural lands in the hemiboreal zone in Latvia validated the theory that after afforestation, in long term, soil accumulates organic carbon (Corg). During the first 30 years of abandonment, Corg content in mineral topsoil does not present a significant increase; it varies from 42 to 43 t haE-1.
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Library ResourceDocumentos de conferencias e informesDiciembre, 2011
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Library ResourceDocumentos de conferencias e informesAgosto, 2010
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Library ResourceDocumentos de conferencias e informesMarzo, 2010
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Library ResourceArtículos de revistas y librosDiciembre, 2012
This study, which looked at 72 in traditional Salers system, shows there is a correlation between the use made of fields and the characteristics of these fields. The geographical characteristics and the use made of over 1,500 fields (cut and/or grazed fields) were described, mainly based on the statements made by farmers. Three groups of fields were identified (only cut fields, cut and grazed fields, only grazed fields) and in a second step, 15 types of fields uses were identified and described.
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Library ResourceDocumentos de política y resúmenesNoviembre, 1996China
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Library ResourceArtículos de revistas y librosAbril, 2015Japón, Europa
In recent years, wild boars (Sus scrofa) have caused growing damage to farm crops in a hilly and mountainous area of the Tohoku region. In particular, in designated evacuation zones following the accident at the Fukushima Dai-ichi nuclear power plant, there are growing concerns about the expanding range of wild boars and the resulting degradation of farmland.
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Library ResourceDocumentos de conferencias e informesDiciembre, 2008
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