Density distribution sunflower plots

WD Dupont, WD Plummer Jr - Journal of Statistical Software, 2003 - jstatsoft.org
… The user can control the sizes and colors of the sunflowers. By selecting appropriate …
sunflowers, plots can be obtained that give both the overall sense of the data density distribution as …

Using density-distribution sunflower plots to explore bivariate relationships in dense data

WD Dupont, WD Plummer Jr - The Stata Journal, 2005 - journals.sagepub.com
… Figure 5: To draw a density-distribution sunflower plot, we first need to determine the number
of observations in each hexagonal bin. To do this, we tile the x–y plane with rectangular …

[PDF][PDF] Density Distribution Sunflower Plots in Stata 8

WD Dupont, WD Plummer Jr - Proceedings of the 3rd North American …, 2004 - stata.com
density distribution sunflower plot [8,9], our goal was to come as close as possible to the stem
and leaf plot … That is, we wanted a graph that had the overall appearance of a density plot

Plot size and experimental precision for sunflower production

LH Lorentz, AA Boligon, L Storck, ADC Lúcio - Scientia Agrícola, 2010 - SciELO Brasil
… , management techniques and plant density, we can infer that the estimated plot size (2.4 m
2 ) is suitable for most of the environments in which the sunflower is grown. This inference is …

Response of some sunflower hybrids to different levels of plant density

HM Ibrahim - Apcbee Procedia, 2012 - Elsevier
plot design, where the plant densities were distributed in the main plots and hybrids were
allocated to the sub-plots… Experimental sub plots consisted of five ridges, each 4 m in length …

Effects of nitrogen supply and population density on plant development and yield components of irrigated sunflower (Helianthus annuus L.)

BT Steer, PD Coaldrake, CJ Pearson, CP Canty - Field Crops Research, 1986 - Elsevier
… Mature seeds were collected from eight plants per plot that had … distribution (eg Table 5)
suggesting that it was independent of dry matter distribution in its response to population density

Density effects on plant height growth and inequality in sunflower populations

S Xiao, SY Chen, LQ Zhao… - Journal of Integrative Plant …, 2006 - Wiley Online Library
plots were fertilized with ammonium phosphate at approximately 30 g/m2 before sowing and
four plant density treatments were laid out in four 5 m×5 m plots… in these plots. Monitoring of …

Spatial distribution of the red sunflower seed weevil (Coleoptera: Curculionidae) on sunflower

C Peng, GJ Brewer - Environmental Entomology, 1994 - academic.oup.com
distribution of the adult weevil in cultivated sunflower and the effect of plant stages on weevil
density… Scatter plots of 11kover mean for the red sunflower seed weevil. Data from 163 …

Planting density effects on dry matter partitioning and productivity of sunflower hybrids

FJ Villalobos, VO Sadras, A Soriano, E Fereres - Field Crops Research, 1994 - Elsevier
… The plots were arranged in a three-block split-plot design with the densities as main plots
and hybrids as subplots. Plot dimensions and plant spacings are shown in Table 2. …

Yield response to plant density of maize and sunflower intercropped with soybean

L Echarte, A Della Maggiora, D Cerrudo… - Field Crops …, 2011 - Elsevier
… 10 (low plant densities) to 20 plants (higher plant densities) per plot were sampled and no
… plant density) to 30 (high plant density) plants per plot and 8 additional plants per plot were …