The paper comprehensively states the relation between dwarfing fruit trees and character of branch and leaf, content and activity of enzyme and hormone, moisture potential and so on.

综述了枝叶特征与果树矮化性的关系，激素含量、酶含量和活性与果树矮化性的关系，水势与果树矮化性的关系，对存在问题及发展前景进行了讨。

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As a key moisture parameter, potential consuming capacity of plants is reflected by transpiration rate and been studied by some people.

蒸腾速率作为一个重要的水分参数，反映了植物潜在的耗水能力，国内外许多学者对此进行了大量研究，并取得了研究成果。

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The reason is that it is under the effect of matrix potential gradient in stead of moisture content gradient.

其原因是土壤水运动是在相应的基质势梯度作用下发生的，而并不需要对应的含水量梯度。

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Scientists say that as the world has warmed by 0.7C, the atmosphere is able to hold 4% more moisture, which means more potential rain.

BBC: Extreme rainfall in UK 'increasing'

"Because the lake is generally warm and has a lot of moisture, we find that it generates this very big, what we call, convective potential energy, which generates a lot of cloudness and this unique nature of weather characterized by heavy thunderstorms which sometimes can be dangerous, " he explains.

CNN: Lethal weather on 'world's most dangerous lake'