Soil matric potential, leaf water potential and atmosphere water potential is diversity in temporal and spatial variation.
通过相关性分析得出土壤基质势，叶水势，大气水势三者在时间和空间上都有很大的差别。
The photosynthesis rate will increase with the descendant leaf potential and soil potential, which demonstrates that Masson pine has much higher productivity of drought stress.
同时，光合利用效率随叶水势、土壤水势的下降总体呈上升趋势，说明马尾松具有较高的耐旱生产潜力。
Relative air humidity is the dominant factor for field pea to affect daily dynamics of leaf water potential, followed by air water potential, soil water suction , air temperature and solar radiation.
影响豌豆叶水势日变化因子中最重要的是大气相对湿度，其次是大气水势、土壤水吸力、大气温度和太阳辐射。
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