Background: One of the most important drivers of forest biodiversity is conspecific negative density dependence(CNDD), a reduction in performance when conspecif
China National Rice Research Institute organized the workshop in Beijing during 4-6 Mar 1992 as one of the important academic activities of the "" IPM Internati
Recently, the potential toxicity of two oxidants which are produced by all aerobic organisms has been emphasized. These are superoxide anion O2^- and HaO2, Alth
<正> To evaluate varieties in regional trials, breeders would analyze the synthetical performances of the varieties. The methods of ANOVA and MANOVA are not pre