This work is licensed under the Creative Commons Attribution 4.0 International License.
Figure 1:
Effects of nitrogen (N, as urea) input and irrigation frequency on population densities of the ring nematode, Mesocriconema xenoplax, in root zone soils of wine-grape. Values are averages, (+/-) standard errors of means, from six blocks and six sample dates during 2010–2011 (n = 36).