Agricultural datasets


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Documentation for package ‘agridat’ version 1.8

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A B C D E F G H I J K L M N O P R S T V W Y Z

-- A --

aastveit.barley Barley heights and environmental covariates in Norway
adugna.sorghum Sorghum yields at 3 locations across 5 years
agridat Datasets from agricultural experiments
allcroft.lodging Lodging data from a multi-environment trial cereal crop
archbold.apple Split-split plot experiment on apple trees
ars.earlywhitecorn96 Early White Food Corn Performance Tests
australia.soybean Australia soybeans

-- B --

baker.barley.uniformity Ten years of barley uniformity trials on same ground
batchelor.apple.uniformity Uniformity trials of fruit tree yields.
batchelor.lemon.uniformity Uniformity trials of fruit tree yields.
batchelor.navel1.uniformity Uniformity trials of fruit tree yields.
batchelor.navel2.uniformity Uniformity trials of fruit tree yields.
batchelor.valencia.uniformity Uniformity trials of fruit tree yields.
batchelor.walnut.uniformity Uniformity trials of fruit tree yields.
beall.borers Corn borer infestation under four treatments
besag.bayesian Spring barley in United Kingdom
besag.elbatan RCB experiment of 50 varieties of wheat in 3 blocks with strong spatial trend.
besag.met Multi-environment trial of corn laid out in incomplete-blocks
blackman.wheat Yield for conventional and semi-dwarf wheat varieties
bond.diallel Diallel cross of winter beans
box.cork Weight of cork samples on four sides of trees
brandle.rape Three-way table of rape seed yields
bridges.cucumber Cucumber yields in Latin Square design.
broadbalk.wheat Long term wheat yields on Broadbalk fields at Rothamsted.
byers.apple Diameters of apples

-- C --

caribbean.maize Maize fertilization trial on Antigua and St. Vincent
carmer.density Maize yield-density model
cate.potassium Relative cotton yield for different soil potassium concentrations
cleveland.soil Soil resistivity in a field
cochran.bib Balanced incomplete block design in corn
cochran.crd Potato scab infection with sulfur treatments
cochran.eelworms Counts of eelworms before and after fumigant treatments
cochran.latin Latin square design
cochran.wireworms Wireworms controlled by fumigants in a latin square
corsten.interaction Corn yield in multi-environment trial
cox.stripsplit Strip-split plot of barley with fertilizer, calcium, and soil factors.
crossa.wheat Wheat yields for 18 genotypes at 25 locations
crowder.seeds Germination of Orobanche seeds from Crowder (1978)

-- D --

darwin.maize Darwin's maize data of crossed/inbred plant heights
denis.missing Multi-environment trial with structured missing values
denis.ryegrass Plant strength of perennial ryegrass in France
desplot Plot the layout/data of a field experiment
digby.jointregression Multi-environment trial illustrating joint regression
diggle.cow Bodyweight of cows in a 2-by-2 factorial experiment
durban.competition Sugar beet yields with competition effects
durban.rowcol Row column design of a spring barley trial with many varieties
durban.splitplot Split-plot barley variety trial with fungicide treatments

-- E --

eden.potato Potato yields in response to potash and nitrogen fertilizer
engelstad.nitro Corn yield response to nitrogen fertilizer

-- F --

fan.stability Maize hybrids grown in China
federer.diagcheck Wheat experiment with diagonal checks
federer.tobacco Height of Tobacco plants exposed to radiation

-- G --

garber.multi.uniformity Uniformity trials of oat hay and wheat
gathmann.bt Impact of Bt Corn on non-target species
gauch.soy New York soybean yields, 1977 to 1988
gilmour.serpentine Wheat yield in South Australia with serpentine row/col effects
gilmour.slatehall Slate Hall Farm 1978
gomez.fractionalfactorial Rice fractional factorial experiment
gomez.groupsplit Rice group balanced split-plot design
gomez.multilocsplitplot Rice multilocation Split-Plot
gomez.nitrogen Soil nitrogen at three times for eight fertilizer treatments
gomez.rice.uniformity Rice uniformity yield test
gomez.seedrate Rice yield at six different densities
gomez.splitsplit Rice split-split plot experiment
gomez.stripplot Rice strip-plot experiment
gomez.stripsplitplot Rice strip-split-plot experiment
gotway.hessianfly Hessian fly damage to wheat varities
goulden.barley.uniformity Barley uniformity trial
graybill.heteroskedastic Wheat varieties with heteroskedastic yields

-- H --

hanks.sprinkler Wheat yields in a line-source sprinkler experiment
harris.multi.uniformity Multi-year uniformity trials with different crops at Huntley
harris.wateruse Water use by horticultural trees
hayman.tobacco Full diallel cross of tobacco
henderson.milkfat Milk fat yields for a single cow
hernandez.nitrogen Corn response to nitrogen fertilizer at 5 sites.
hessling.argentina Relation between wheat yield and weather in Argentina
hildebrand.systems Maize yields for four cropping systems
holshouser.splitstrip Split strip plot on soybeans
hughes.grapes Disease incidence on grape leaves in RCB experiment

-- I --

ilri.sheep Birth weight and weaning weight of Dorper x Red Maasi lambs
immer.sugarbeet.uniformity Uniformity study of sugarbeets with measurements of yield, sugar, purity
ivins.herbs Percent ground cover of herbage species and nettles.

-- J --

jenkyn.mildew Yields from treatment for mildew control
john.alpha Alpha lattice design of spring oats
johnson.blight Potato blight due to weather in Prosser, Washington

-- K --

kempton.barley.uniformity Uniformity trial of Spring Barley in 1978
kempton.competition Sugar beet trial with competition effects
kempton.rowcol Wheat row-column experiment
kempton.slatehall Slate Hall Farm 1976 spring wheat

-- L --

lambert.soiltemp Average monthly soil temperature near Zurich
lavoranti.eucalyptus Height of Eucalyptus trees in southern Brazil
li.millet.uniformity Uniformity trial of 600 millet plots.
lyon.potato.uniformity Uniformity trial of potatoes
lyons.wheat Yield of winter wheat at 12 sites in 4 years.

-- M --

mcconway.turnip Yields of turnips grown for winter fodder
mead.cowpeamaize Maize/Cowpea Intercropping experiment
mead.germination Seed germination with different temperatures/concentrations
mead.strawberry Strawberry yields in RCB experiment
mercer.wheat.uniformity Mercer and Hall's uniformity trial of wheat in 1910
minnesota.barley.weather Monthly weather at 6 sites in Minnesota 1927-1936.
minnesota.barley.yield Yields of barley at 6 sites in Minnesota 1927-1936.

-- N --

nass.barley U.S. historical crop yields by state
nass.corn U.S. historical crop yields by state
nass.cotton U.S. historical crop yields by state
nass.hay U.S. historical crop yields by state
nass.rice U.S. historical crop yields by state
nass.sorghum U.S. historical crop yields by state
nass.soybean U.S. historical crop yields by state
nass.wheat U.S. historical crop yields by state
nebraska.farmincome Nebraska farm income in 2007 by county

-- O --

odland.soybean.uniformity Uniformity trials of soy hay and soybeans.
odland.soyhay.uniformity Uniformity trials of soy hay and soybeans.
ortiz.tomato Tomato weight/yield and environmental covariates in Latin America

-- P --

pacheco.soybean Soybean yields in Brazil.
panel.outlinelevelplot Panel Function for desplot
pearce.apple Apple tree yields for 6 treatments with covariate
pearl.kernels Counts of yellow/white and sweet/starchy maize kernels by 15 observers

-- R --

ratkowsky.onions Onion yields for different densities at two locations
RedGrayBlue Function to create a Red-Gray-Blue palette
rothamsted.brussels Yield of brussels sprouts, RCB with 9 fertilizer treatments
ryder.groundnut Wet and dry groundnut yields

-- S --

salmon.bunt Fungus infection in varieties of wheat
senshu.rice Response of rice to solar radiation and temperature
shafii.rapeseed Rapeseed yield multi-environment trial, 3 years
smith.corn.uniformity Uniformity trial of corn in three consecutive years
snedecor.asparagus Asparagus yields for different cutting treatments
steel.soybeanmet Soybean yields in North Carolina
stephens.sorghum.uniformity Uniformity trial of sorghum silage
streibig.competition Competition experiment between barley and sinapis.
stroup.nin Nebraska Intrastate Nursery field experiment
stroup.splitplot Simulated split-plot experiment
student.barley Barley yield of two varieties in a multi-environment trial

-- T --

talbot.potato Potato yields and trait scores at 12 UK locations
theobald.covariate Silage yields for Year * Loc * Variety with covariate
thompson.cornsoy Corn & Soybean Yields, 1930-1962, with temperature and precipitation

-- V --

vargas.wheat1 Durum wheat yields in 7 years with genetic and environment covariates
vargas.wheat2 Wheat yields for a multi-environment trial and environmental covariates
verbyla.lupin Lupin yields for different varieties and locations, at many densities
vsn.lupin3 Early generation lupin trial with 3 sites

-- W --

waynick.soil Soil nitrogen and carbon in two fields
wedderburn.barley Percent of barley leaves affected by leaf blotch
wiebe.wheat.uniformity Uniformity trial of wheat
williams.barley.uniformity Yield from a barley uniformity trial
williams.cotton.uniformity Lint yield from a cotton uniformity trial
williams.trees Height / Survival of 37 tree species at six sites in Thailand

-- Y --

yan.winterwheat Multi-environment trial of Winter Wheat in Ontario
yates.missing Factorial experiment with missing values
yates.oats Yield of oats in a split-block experiment

-- Z --

zuidhof.broiler Daily weight, feed, egg measurements for a broiler