不同磷效率品种拔节期、挑旗期和成熟期的磷利用效率差异较小。

The P utilization efficiencies at jointing stage, flag leaf expansion stage and maturity stage had little differences among the variety types with different P efficiencies.

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全生育期内，作物蒸腾与棵间土壤蒸发比例平均为2.06左右，最大值出现在挑旗期，最小值在越冬期间，接近于0。

Theaverage of T/Es during the whole stages was about 2.06. The maximum of it appeared in Flag stage was about 7-8, and its minimum appeared in winter was close to zero.

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