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一、引言虽然茶树的生长发育是内在的过程,但它们仍受外界环境条件的控制,温度、水分、养分、光周期以及CO_2等因子能够促进或延迟茶树的生育过程。当这些环境因子的影响超过茶树的忍耐范围时,它们以应力形式作用会导致茶树的受害和死亡。在许多环境因子应力中,土壤水分应力是影响植物生育的主要因素之一。在全球的许多地区,人们
I. INTRODUCTION Although the growth and development of tea trees are inherent processes, they are still controlled by external environmental conditions. Factors such as temperature, water, nutrients, photoperiod and CO2 can promote or delay the growth of tea trees. When these environmental factors outweigh the tolerance of tea trees, their stressful forms can lead to the damage and death of tea trees. Among many environmental stress factors, soil moisture stress is one of the main factors affecting plant growth. In many parts of the world, people