Asia is expected to produce a rapidly increasing surplus of nitrogen, but will continue to import phosphate and potash.
亚洲氮肥生产过剩的情况预计将迅速增加，但将继续进口磷肥和钾肥。
Africa will remain a major phosphate exporter and increase nitrogen exports while importing all of its potash.
非洲仍将是磷肥的主要出口国，其氮肥的出口量将增加，但是其钾肥将全部进口。
It is expected that North America will continue to be a net importer of nitrogen and that the region will move into increasing phosphate deficit while remaining a primary supplier of potash.
预计北美将继续作为氮肥的净进口国，而该区域在继续作为主要钾肥供应者的同时，却显示出氮肥日益短缺的趋势。
The nitrogen content of a plant at the third phase of differentiation, the phosphate and potash content of a plant at the first-earing phase are the most important factors to affect yield.
分化三期植株氮、始穗期的植株磷和植株钾是影响产量的最重要因子。
The nitrogen content of a plant at the third phase of differentiation, the phosphate and potash content of a plant at the first-earing phase are the most important factors to affect yield.
分化三期植株氮、始穗期的植株磷和植株钾是影响产量的最重要因子。
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