不同水分条件麦田能量与CO2通量变化特征研究 关键词 能量平衡 反射率 CO2通量 麦田 [gap=843]Key words Energy balance,Albedo,CO2 flux,Wheat field
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wheat field with Crows 麦田群鸦 ; 麦田上的乌鸦 ; 有乌鸦的麦田 ; 蓝色麦田上的乌鸦
Wheat Field with a Lark 有云雀的麦田 ; 麦田上的云雀
wheat field with Cypresses 麦田里的丝柏树
Sunset Wheat Field near Arles 日落阿尔附近的麦地
Wheat field experience area 麦田体验区
wheat field under thunderclouds 雷电云下的麦田 ; 雷雨云下的麦田
The study showed that the distribution pattern of henbits in winter wheat field was contagious in the different den sities. The contagious intensity was enhanced with the increase of the density of the weed.
研究表明,麦田宝盖草在各种密度下都呈聚集分布,且聚集强度随密度升高而增强,其分布的基本成分是个体群,个体之间相互吸引。
参考来源 - 麦田宝盖草的空间分布型及抽样技术研究The results showed that the average moisture content in the soil of wheat field in four areas were 22.0%,21.9%,16.7% and 22.5% respectively.
结果显示,4个采样点麦地平均含水量分别为22.0%、21.9%、16.7%、22.5%。
参考来源 - 西安与咸阳地区麦地土壤含水量对比研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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