盛花期约有访花昆虫15种。
病级分布在越冬期和盛花期均为聚集分布。
The distribution patterns of diseased plants seriousness in overwintering period and flowering stage were of aggregation distribution.
紫花苜蓿初花期的CAD低于现蕾期和盛花期。
The CAD of alfalfa in early bloom was lower than that in budding stage and mid-bloom.
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