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１９９３～１９９４年在中国农业大学科学园布置了水量充足、胁迫及胁迫后补水共７个水分处理冬小麦管栽试验。结果表明：在抽穗期前，根、冠同步增长，呈正相关关系，之后则转变为负相关关系。土壤含水量在田间持水量６０％以上，根、冠生长与功能之间可形成良性循环。胁迫后复水可使此循环得到很大改善。水量愈大，根、冠生长量愈大。水分胁迫不仅降低了干物质生产总量，而且还促使有限同化产物向根系分配，根冠比（Ｒ／Ｓ）增大，胁迫后复水，Ｒ／Ｓ降低，根、冠生长发育可部分得到恢复。根系生长量在抽穗期１９７ｄ达峰值，之后开始衰亡，胁迫愈严重，根系衰亡愈甚。就产量及水分利用率考虑，孕穗期前，将土壤含水量维持在田间持水量６０％～７０％，之后提高到８０％，对冬小麦生长较为适宜
From 1993 to 1994, a total of seven treatments of water management of winter wheat were arranged in the Science Park of China Agricultural University with sufficient water, stress and replenishment. The results showed that there was a positive correlation between root and crown growth before heading stage, and then a negative correlation. Soil water content in the field more than 60% water, root, crown growth and function can form a virtuous circle. Rehydration after stress can make this cycle is greatly improved. The greater the amount of water, the greater the root and crown growth. Water stress not only reduced the total dry matter production, but also promoted the distribution of the limited assimilation products to the root system. The root / shoot ratio (R / S) increased, restore. The root growth rate peaked at 197 days at heading stage, then began to decline, the more serious the stress was, the more serious the root system died. Considering the yield and water use efficiency, before booting stage, the soil water content was maintained at 60% -70% of the field capacity and then increased to 80%, which was more suitable for the growth of winter wheat