纤维强度是由单位纤维干重、纤维素含量、胞壁厚度、成熟度及胞壁结构密度等亚性状决定的。
Fiber strength depended on the dry weight per fiber length, content of cellulose, thickness of cell wall, maturity, density of cell wall and other sub-factors.
增施氮磷用量，均可提高油菜植株氮、磷含量和单位面积的总干物重。
Increasing the applying amount of nitrogen and phosphorus could all promoted nitrogen and phosphorus content in plants and total dry matter weight per unit area.
与传统高产栽培管理比较，单位面积干物重、茎物质积累量和叶片的物质表观转出量高。
The dry matter weight per unit, dry matter accumulation per stem( panicle), and transportation of leaf apparent matter was more than the high yield crop management.
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