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Showing items 45091 through 45099 of 73422.PURPOSE: Soil particle-size distribution (PSD) is an important soil physical property. Single- and multi-fractal models are increasingly used to characterize soil properties and may provide additional information.
The integrated method of dark-chestnut soil reclamation comprising green manure and application of different doses of phosphogipsum and mineral fertilizers (MF) calculated for planned yield was used in 2009.
The author’s periodization of the world agriculture’s formation and development, distinguishing three basic stages – preindustrial, industrial, postindustrial, is worked out.
The Yangtze River is the China’s longest river and the third-longest river in the world. The river’s source region in the Qinghai-Tibet Plateau is especially sensitive to global environmental change because of its high elevation and cold environment.
Waterlogging and secondary salinisation have become serious problems in canal irrigated areas of arid and semi‐arid regions.
The North China Plain (NCP) covers an area of around 328,000 km2 and is one of the most important regions of cereal crop production in China. Wheat and maize rotations and one season cotton are the most common cropping systems.
North Korea used to have abundant forest stocks but underwent substantial deforestation and degradation of forest in recent decades. This study examined morphological changes of forest cover in North Korea between the 1980s and 2000s.
This article presents a raster-based Geographic Information Systems (GIS) tool called CN-Idris that outputs runoff estimates from land use/land cover and hydrologic soil group maps based on the Natural Resources Conservation Service Curve Number method.
Rapid urbanization together with policy ineffectiveness in controlling urban growth is often associated to soil and land degradation in both the developing and developed world.
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