Combining pot experimentation and chemical analysis, good ameliorative effects are gained by adding peat on appropriate proportion level and planting alfalfa and white clover.
结合盆栽试验和室内分析，矿土中添加合适比例的泥炭并种植紫花苜蓿、白三叶草后取得了较好的改良效果。
That the main tree within a group planting should never be placed in the centre of the pot?
是不是丛林式的主体树桩不能栽在用盆的中心位置？
The effects of water stress on growth and yield of rice in blooming stage were studied by pot planting and water controlling.
采用盆栽人工控制水分方法，研究了开花期水分胁迫对水稻生长发育及产量的影响。
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