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Improving the efficiency and effectiveness of global phosphorus use: focus on root and rhizosphere levels in the agronomic system

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Frontiers of Agricultural Science and Engineering 2019年第4期6卷 357-365页

作者： uwe ludewig Lixing YUAN Gunter NEUMANN Crop Science Institute Nutritional Crop Physiology(340h)University of HohenheimFruwirthstr.20D-70593 StuttgartGermany National Academy of Agriculture Green Development Key Laboratory of Plant-Soil Interactions(Ministry of Education)College of Resources and Environmental SciencesChina Agricultural UniversityBeijing 100193China

Phosphorus(P)is essential for life and for efficient crop production,but global P use with limited recycling is inefficient in several sectors,including ***,plant physiologists,agronomists,farmers and end users employ different measures for P use efficiency(PUE),which often masks their values at different *** term P use effectiveness,which also considers energetic and sustainability measures in addition to P balances,is also a valuable *** physiological and genetic factors for plant P uptake and utilization have been identified,but there has been limited success in genetically improving PUE of modern crop *** maize,studies on root architectural and morphological traits appear *** processes assist in mobilizing and capturing sparingly soluble phosphate from rock *** of phosphate-solubilizing microorganisms with ammonium-based nitrogen fertilizer,as well as strategies of fertilizer placement near the roots of target crops,can moderately enhance *** desired concentration of P in the products differs,depending on the final use of the crop products as feed,food or for energy conversion,which should be considered during crop production.

关键词： acquisition efficiency plant growth promoting rhizobacteria phosphate use efficiency utilization efficiency

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