# Agricultural datasets

## Documentation for package ‘agridat’ version 1.8

- DESCRIPTION file.
- Package NEWS.

## Help Pages

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