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A substantial percentage of the grain nitrogen (N) in cereal crops originates from the remobilization of N stored in vegetative tissues before anthesis. In wheat (Triticum aestivum L.), the percentage can reach 90%. All vegetative plant parts, including the leaves, stem, sheath, chaff and root, reserve N prior to anthesis and function as sources of nutrients during the grain filling phase. The developing...
Chinese wheat (Triticum aestivum) production has developed rapidly during the last 57 years, largely due to improved crop management technologies and new varieties. The history of wheat planting technologies in China was reviewed, and the physiological mechanisms that allow wheat to attain high yield under these planting systems were analyzed. The use of leaf number and stage of development to indicate...
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