Electricity, water utilization rate is extremely high, all material are food grade, no side effect, safe and healthy.

用电量极少，水利用率极高，所有材质均为食品级，无副作用、安全、健康。

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This implies that the increases of fertilizer supply is also an effective approach to increasing water utilization rate of the farmlands.

它隐含表明增加肥料投入也是提高农田水分利用率的有效途径。

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Therefore, improvement of water utilization rate and adaptation to drought of rice has become key problems which are urgently needed to resolve.

因此，提高稻类对水分的利用率和对干旱的适应性，已经成为植物抗逆研究工作中急需解决的关键问题。

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