Characteristics of Root and Canopy Photosynthesis of Early Water Saving in Winter Wheat
Potted and field experiments were conducted during 1991～1994 to study the regulation of water saving technique by water stress at early stage on root and photosynthesis in winter wheat. It was found that limit of water irrigation before stem elongation benefited early root growth. The canopy photosynthesis was improved during yield formation period and had got high yield.
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