phosphorus cluster p 磷原子团簇p
Plant growth should be expected to be limited by nitrogen (n) and phosphorus (p) availability in most terrestrial ecosystems.
陆地生态系统植物的生长受到营养元素氮(N)和磷(P)的可利用性的限制。
Genotypic differences of phosphorus(P) efficiency among 194 Brassica napus L. cultivars were investigated under pot culture in acid soil with a method of two step screening typical cultivars.
采用两步筛选法（即苗期干物质筛选和全生育期产量筛选）在酸性黄棕壤上对194个甘蓝型油菜品种进行了磷效率的筛选。
The element phosphorus (p) was the first to be isolated artificially in 1669.
元素磷最早于1669年被人工分离出来。
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