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Showing items 43651 through 43659 of 73428.This paper examines the size and intensity of changes among five land categories during the two time intervals in a region of Indonesia that is pioneering negotiations concerning reducing emissions from deforestation and forest degradation (REDD).
A subset of patents owned by six large agricultural biotechnology companies is analyzed from the new Initiatives for Future Agriculture and Food Systems (IFAFS) Agricultural Biotechnology Intellectual Property database.
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.
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