搜索结果: 1-4 共查到“农学总论 Germany”相关记录4条 . 查询时间(0.062 秒)
From Thaer and Thunen until Today: Past and Future of Agricultural Landscape Use in Germany
Agricultural Landscape Energy Efficiency Sustainable Agriculture Technological Development Climate Change
2013/3/11
This article intends to present the historical development of German agriculture sector in last two centuries and underlined the benefit of the advancement in agriculture sector to fulfil the growing ...
Evaluation of wheat ear insects in large scale field in central Germany
Winter Wheat Thrips Wheat Midges Population Densities
2013/3/5
Wheat ear insects in large scale winter wheat field in Salzmünde (SaxsonyAnhalt) central Germany were evaluated. The present study aimed at studying the abundance of wheat blossom midges WBM, Sitodopl...
Field scale heterogeneity of soil structural properties in a moraine landscape of north-eastern germany
spatial variability soil structure soil physical properties
2008/11/21
abstract200 |im were determined for samples taken from the topsoil layer (15 cm average soil depth), a layer compacted by wheel traffic (30 cm) and the subsoil (55 cm). For macropore determinations po...
Odra 1997 flood effects on soil properties of cultivated areasin Germany
flood effects heavy metal concentration soil fertility denitrification
2008/11/13
During the 1997 summer flood of the river Odra, a small cultivated area of 50 km was flooded in the German part of the catchment The flood completely killed the vegetations stands on the fields. After...