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对各类本地及其不同草层高度的温、湿度的观测分析表明,7～8月牧草越夏主要难关是高温逼萎、干旱致死,14时5cm 草层高度T>40℃、r<45%为当地人工牧草逼萎指标。
The observation and analysis of the temperature and humidity of different types of grasslands in different places showed that the main obstacle to the pasture in the summer of July to August was the high-temperature destructive withering and the death by drought. The grass height at 4 o’clock at 14 o’clock was> 40 ℃, r <45 % For the local artificial grass fade indicators.