By analyzing statistical characteristics of five tree-ring standard chronologies, early-wood ring width (EWW), late-wood......

Based on the tree ring width index of Pinus tabulaeformis, precipitation in the last 140 years was reconstructed at sout......

The normalized difference vegetation index(NDVI)is used extensively to describe vegetation cover and ecological environm......

In order to explore the relationship between the time processes of solar radiation and sap flow, sap flow velocity (SFV)......

为探究飞机播种设备的落种分布特征,以飞播油松(Pinus tabulaeformis)为例,对落种分布数据进行高斯曲线拟合以及卡方拟合优度检验,......

本溪和辽阳两处的油松全分布区地理种源试验林处于日本松干蚧疫区，研究抗蚧性差异是油松种源试验内容之一。在８龄林时观察了松干蚧虫......

苗木施肥是培育壮苗的一项主要技术措施，合理施肥能使苗木体内营养元素保持适当的比例，实现苗木稳产、高产。采用田闰试验的方法，以油......