1) summer crop
夏收作物
1.
Quantitative analysis of weed communities of summer crops in Huoqiu County of Anhui Province;
安徽省霍邱县夏收作物田杂草群落的数量分析
2.
The weed communities in 45 sampling sites composed of 358 summer crop fields in the northern and southern regions of Anhui Province were surveyed by visual scoring weed infestation level in seven scales.
以7级目测法调查了安微省南部和北部地区夏收作物田共45个样点的杂草,并用系统聚类法分析比较了皖南、皖北夏收作物田杂草植被的差异和特点。
2) Summer and fall grain crops
夏秋粮作物
3) summer ripe fields
夏熟作物田
1.
In the summer ripe fields of middle Zhejiang Province, 27 random sampling fields of 27 sites on different ecological conditions were surveyed in detail with seven scales by visualization of weed dominance to summer ripe to obtain the weed important value.
应用七级目测法对浙江中部地区 2 7个夏熟作物田样点的杂草进行了优势度等级调查 ,将所得数据转换成重要值 ,以杂草在 2 7个样点中的重要值为运算指标 ,应用主成分分析法和图论聚类中的最小生成树法 ,对 2 4种杂草的生态学相似性进行了比较 。
4) min cropsin summer and autumn
主要夏秋作物
6) summer planting,harvesting and field management
夏种，夏收，夏管
补充资料：夏收
1.夏代祭祀时戴的一种帽子。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条