同时还对热带牧草越冬、温带牧草越夏的气象指标进行了鉴定。
Meanwhile, it also identifies the meteorological indexes for the tropical herbage to survive winter and for the temperate herbage to survive summer.
分别找到了热带牧草的霜冻指标、平流寒害指标以及温带牧草的热害指标。
The frost injury index and advection cold injury index of tropical herbage and the hot injury index of temperate herbage are found.
试验研究表明，热带牧草与温带牧草的生长发育、产草量形成与气象条件关系密切。
The study indicates that there is close relation between the growth and output of the herbage and the meteorological conditions.
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