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.
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。
A simple method to determine whether the saline is collapsible based on its salinity and dry unit weight is proposed herein, so the collapsibility tests in laboratory or at field may be saved.
本文提供了一种根据盐渍土含盐量及洗盐后土的干重度判别盐渍土是否具有溶陷性的简易方法，从而可以避免进行室内外的溶陷性试验。
A relationship between tensile strength and dry unit weight of soils is established.
建立了土体抗拉强度和干密度之间的关系。
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.
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.
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。
应用推荐