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本文对白三叶在湖北低山丘陵区的越夏性进行了初步研究,并对越夏返青标准进行了探讨。结果表明,白三叶越夏性是品种(类型),高温干旱的适应性,生长年限及栽培管理条件综合因素的反应,而夏季高温下的土壤含水率是影响白三叶越夏率的主要限制因子。白三叶草地土壤(0～10cm)含水率(x_2)与越夏率(y-1)的相关关系为y=-26.59+7.15x(r=0.8846)达到显著性差异(p<0.05)。
In this paper, the white clover in the hilly region of Hubei preliminary study of summer sex, and summer rejuvenation standards were discussed. The results showed that the higher the summer clove white clover is the variety (type), the adaptability of high temperature and drought, the growth of years and the cultivation and management conditions in response to the combination of factors, and summer soil moisture under high temperature is the main white clover rate of summer Limiting factor. The correlation between water content (x_2) of white clover soil (0-10 cm) and y-1 was y = -26.59 + 7.15x (r = 0.8846) (p <0.05).