# Agricultural Datasets

## Documentation for package ‘agridat’ version 1.25

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

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

agridat-package | Datasets from agricultural experiments

## -- A --

aastveit.barley | Barley heights and environmental covariates in Norway
aastveit.barley.covs | Barley heights and environmental covariates in Norway
aastveit.barley.height | Barley heights and environmental covariates in Norway
acorsi.grayleafspot | Multi-environment trial evaluating 36 maize genotypes in 9 locations
adugna.sorghum | Multi-environment trial of sorghum at 3 locations across 5 years
agridat | Datasets from agricultural experiments
allcroft.lodging | Multi-environment trial of cereal with lodging data
alwan.lamb | For the 34 sheep sires, the number of lambs in each of 5 foot shape classes.
ansari.wheat.uniformity | Uniformity trial of wheat
archbold.apple | Split-split plot experiment of apple trees
ars.earlywhitecorn96 | Multi-environment trial of early white food corn
australia.soybean | Multi-environment trial of soybean in Australia

## -- B --

bachmaier.nitrogen | Trial of wheat with nitrogen fertilizer in two fertility zones
bailey.cotton.uniformity | Uniformity trial of cotton in Egypt
baker.barley.uniformity | Uniformity trials of barley, 10 years on same ground
baker.strawberry.uniformity | Uniformity trial of strawberry
baker.wheat.uniformity | Uniformity trial of wheat
bancroft.peanut.uniformity | Uniformity trial of peanuts
barrero.maize | Multi-environment trial of maize in Texas.
batchelor.apple.uniformity | Uniformity trials of apples, lemons, oranges, and walnuts
batchelor.lemon.uniformity | Uniformity trials of apples, lemons, oranges, and walnuts
batchelor.navel1.uniformity | Uniformity trials of apples, lemons, oranges, and walnuts
batchelor.navel2.uniformity | Uniformity trials of apples, lemons, oranges, and walnuts
batchelor.valencia.uniformity | Uniformity trials of apples, lemons, oranges, and walnuts
batchelor.walnut.uniformity | Uniformity trials of apples, lemons, oranges, and walnuts
battese.survey | Survey and satellite data for corn and soy areas in Iowa
beall.webworms | Counts of webworms in a beet field, with insecticide treatments.
beaven.barley | Yields of 8 barley varieties in 1913 as used by Student.
becker.chicken | Mating crosses of chickens
beckett.maize.uniformity | A uniformity trial of maize in Ghana.
belamkar.augmented | Multi-environment trial of wheat with Augmented design
besag.bayesian | RCB experiment of spring barley in United Kingdom
besag.beans | Competition experiment in beans with height measurements
besag.checks | Check variety yields in winter wheat.
besag.elbatan | RCB experiment of wheat, 50 varieties in 3 blocks with strong spatial trend.
besag.endive | Presence of footroot disease in an endive field
besag.met | Multi-environment trial of corn, incomplete-block design
besag.triticale | Four-way factorial agronomic experiment in triticale
blackman.wheat | Multi-environment trial of wheat, conventional and semi-dwarf varieties
bliss.borers | Corn borer infestation under four treatments
bond.diallel | Diallel cross of winter beans
bose.multi.uniformity | Uniformity trials of barley, wheat, lentils
box.cork | Weight of cork samples on four sides of trees
bradley.multi.uniformity | Uniformity trial of 4 crops on the same land
brandle.rape | Multi-environment trial of rape in Manitoba
brandt.switchback | Switchback experiment on dairy cattle, milk yield for two treatments
bridges.cucumber | Multi-environment trial of cucumbers in a latin square design
broadbalk.wheat | Long term wheat yields on Broadbalk fields at Rothamsted.
bryan.corn.uniformity | Uniformity trial of corn at 3 locations in Iowa.
buntaran.wheat | Multi-environment trial of wheat in Sweden in 2016.
burgueno.alpha | Incomplete block alpha design
burgueno.rowcol | Row-column design
burgueno.unreplicated | Field experiment with unreplicated genotypes plus one repeated check.
butron.maize | Multi-environment trial of maize with pedigrees
byers.apple | Diameters of apples

## -- C --

caribbean.maize | Multi-environment trial of maize with fertilization
carlson.germination | Germination of alfalfa seeds at various salt concentrations
carmer.density | Nonlinear maize yield-density model
cate.potassium | Relative cotton yield for different soil potassium concentrations
chakravertti.factorial | Factorial experiment of rice, 3x5x3x3
chinloy.fractionalfactorial | Fractional factorial of sugarcane, 1/3 3^5 = 3x3x3x3x3
christidis.competition | Competition between varieties in cotton
christidis.cotton.uniformity | Uniformity trial of cotton
christidis.wheat.uniformity | Uniformity trial of wheat
cleveland.soil | Soil resistivity in a field
cochran.beets | Yield and number of plants in a sugarbeet fertilizer experiment
cochran.bib | Multi-environment trial of corn, balanced incomplete block design
cochran.crd | Potato scab infection with sulfur treatments
cochran.eelworms | Counts of eelworms before and after fumigant treatments
cochran.factorial | Factorial experiment of beans, 2x2x2x2
cochran.latin | Latin square design in wheat
cochran.lattice | Balanced lattice experiment in cotton
cochran.wireworms | Wireworms controlled by fumigants in a latin square
connolly.potato | Potato yields in single-drill plots
coombs.rice.uniformity | Uniformity trial of rice in Malaysia
cornelius.maize | Multi-environment trial of maize for 9 cultivars at 20 locations.
corsten.interaction | Multi-environment trial of corn
cox.stripsplit | Strip-split-plot of barley with fertilizer, calcium, and soil factors.
cramer.cucumber | Cucumber yields and quantitative traits
crampton.pig | Weight gain in pigs for different treatments
crossa.wheat | Multi-environment trial of wheat for 18 genotypes at 25 locations
crowder.seeds | Germination of Orobanche seeds for two genotypes and two treatments.
cullis.earlygen | Early generation variety trial in wheat

## -- D --

damesa.maize | Incomplete-block experiment of maize in Ethiopia.
darwin.maize | Darwin's maize data of crossed/inbred plant heights
dasilva.maize | Multi-environment trial of maize
dasilva.soybean.uniformity | Uniformity trial of soybean
davidian.soybean | Growth of soybean varieties in 3 years
davies.pasture.uniformity | Uniformity trial of pasture.
day.wheat.uniformity | Uniformity trial of wheat
denis.missing | Multi-environment trial with structured missing values
denis.ryegrass | Multi-environment trial of perennial ryegrass in France
depalluel.sheep | Latin square of four breeds of sheep with four diets
devries.pine | Graeco-Latin Square experiment in pine
digby.jointregression | Multi-environment trial of wheat
diggle.cow | Bodyweight of cows in a 2-by-2 factorial experiment
draper.safflower.uniformity | Uniformity trial of safflower
ducker.groundnut.uniformity | Uniformity trial of groundnut
durban.competition | Sugar beet yields with competition effects
durban.rowcol | Row-column experiment of spring barley, many varieties
durban.splitplot | Split-plot experiment of barley with fungicide treatments

## -- E --

eden.nonnormal | Height of barley plants in a study of non-normal data
eden.potato | Potato yields in response to potash and nitrogen fertilizer
eden.tea.uniformity | Uniformity trial of tea
edwards.oats | Multi-environment trial of oats in United States, 5 locations, 7 years.
engelstad.nitro | Multi-environment trial of corn with nitrogen fertilizer
evans.sugarcane.uniformity | Uniformity trial of sugarcane

## -- F --

fan.stability | Multi-environment trial of maize hybrids in China
federer.diagcheck | Wheat experiment with diagonal checks
federer.tobacco | RCB of tobacco, height plants exposed to radiation
fisher.barley | Multi-environment trial of 5 barley varieties, 6 locations, 2 years
fisher.latin | Latin square experiment on mangolds
forster.wheat.uniformity | Uniformity trial of wheat in Australia.
foulley.calving | Calving difficulty by calf sex and age of dam
fox.wheat | Multi-environment trial of wheat, 22 varieties at 14 sites in Australia

## -- G --

garber.multi.uniformity | Uniformity trials of oat hay and wheat grain
gartner.corn | Yield monitor data from a corn field in Minnesota
gathmann.bt | Impact of Bt corn on non-target species
gauch.soy | Multi-environment trial of soybeans in New York, 1977 to 1988
george.wheat | Multi-location/year breeding trial in California
giles.wheat | Straw length and ear emergence for wheat genotypes.
gilmour.serpentine | Wheat yield in South Australia with serpentine row/col effects
gilmour.slatehall | Slate Hall Farm 1978
gomez.fractionalfactorial | Fractional factorial of rice, 1/2 2^6 = 2x2x2x2x2x2
gomez.groupsplit | Group balanced split-plot design in rice
gomez.heterogeneity | RCB experiment of rice, heterogeneity of regressions
gomez.heteroskedastic | RCB experiment of rice, heteroskedastic varieties
gomez.multilocsplitplot | Multi-environment trial of rice, split-plot design
gomez.nitrogen | Soil nitrogen at three times for eight fertilizer treatments
gomez.nonnormal1 | Insecticide treatment effectiveness
gomez.nonnormal2 | RCB experiment of rice, measuring white heads
gomez.nonnormal3 | RCB experiment of rice, 12 varieties with leafhopper survival
gomez.rice.uniformity | Uniformity trial of rice
gomez.seedrate | RCB experiment of rice, 6 densities
gomez.splitplot.subsample | Split-plot experiment of rice, with subsamples
gomez.splitsplit | Split-split-plot experiment of rice
gomez.stripplot | Strip-plot experiment of rice
gomez.stripsplitplot | Strip-split-plot experiment of rice
gomez.wetdry | Rice yield in wet & dry seasons with nitrogen fertilizer treatments
gorski.oats.uniformity | Uniformity trial of oats in Poland
gotway.hessianfly | Hessian fly damage to wheat varieties
goulden.barley.uniformity | Uniformity trial of barley
goulden.eggs | Sample of egg weights on 24 consecutive days
goulden.latin | Latin square experiment for testing fungicide
goulden.splitsplit | Split-split-plot experiment of wheat
graybill.heteroskedastic | Multi-environment trial of wheat varieties with heteroskedastic yields
gregory.cotton | Factorial experiment of cotton in Sudan.
grover.diallel | Diallel 6x6
grover.rcb.subsample | Rice RCB with subsamples
gumpertz.pepper | Phytophtera disease incidence in a pepper field

## -- H --

hadasch.lettuce | Lettuce resistance to downy mildew resistance (with marker data)
hadasch.lettuce.markers | Lettuce resistance to downy mildew resistance (with marker data)
hanks.sprinkler | Wheat yields in a line-source sprinkler experiment
hanover.whitepine | Mating crosses of white pine trees
hansen.multi.uniformity | Multi-year uniformity trial in Denmark
haritonenko.sugarbeet.uniformity | Uniformity trial of sugar beet
harris.multi.uniformity | Uniformity trials with multiple crops, 15 years on the same land
harris.wateruse | Water use by horticultural trees
harrison.priors | Ranges of analytes in soybean from other authors
hartman.tomato.uniformity | Uniformity trial of tomato
harvey.lsmeans | Average daily gain of 65 steers for 3 lines, 9 sires.
harville.lamb | Birth weight of lambs from different lines/sires
hayman.tobacco | Diallel cross of Aztec tobacco
hazell.vegetables | Gross profit for 4 vegetable crops in 6 years
heady.fertilizer | Yield of corn, alfalfa, clover with two fertilizers
heath.cabbage.uniformity | Uniformity trial of cabbage.
heath.radish.uniformity | Uniformity trial of radish
henderson.milkfat | Milk fat yields for a single cow
hernandez.nitrogen | Multi-environment trial of corn with nitrogen fertilizer at 5 sites.
hessling.argentina | Relation between wheat yield and weather in Argentina
hildebrand.systems | Multi-environment trial of maize for four cropping systems
holland.arthropods | Counts of arthropods in a grid-sampled wheat field
holshouser.splitstrip | Split-strip-plot of soybeans
holtsmark.timothy.uniformity | Uniformity trial of timothy grass in Norway
huehn.wheat | Multi-environment trial of wheat to illustrate stability statistics
hughes.grapes | RCB experiment of grape, disease incidence
hunter.corn | Multi-environment trial of corn with nitrogen fertilizer
hutchinson.cotton.uniformity | Uniformity trial of cotton

## -- I --

igue.sugarcane.uniformity | Uniformity trial with sugarcane
ilri.sheep | Birth weight and weaning weight of Dorper x Red Maasi lambs
immer.sugarbeet.uniformity | Uniformity trial of sugarbeets, measurements of yield, sugar, purity
ivins.herbs | Percent ground cover of herbage species and nettles.
iyer.wheat.uniformity | Uniformity trials of wheat in India

## -- J --

jansen.apple | Infestation of apple shoots by apple canker.
jansen.carrot | Infestation of carrots by fly larvae
jansen.strawberry | Ordered disease ratings of strawberry crosses.
jayaraman.bamboo | Bamboo progeny trial
jegorow.oats.uniformity | Uniformity trial of oats in Russia
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
johnson.douglasfir | A study of small-plots of old-growth Douglas Fir in Oregon.
jones.corn.uniformity | Uniformity trial of corn.
jurowski.wheat.uniformity | Uniformity trial of wheat in Russia

## -- K --

kadam.millet.uniformity | Uniformity trial of millet
kalamkar.potato.uniformity | Uniformity trial of potatoes
kalamkar.wheat.uniformity | Uniformity trial of wheat
kang.maize | Multi-environment trial of maize in Louisianna at 4 locs in 3 years
kang.peanut | Multi-environment trial of peanuts for 10 genotypes in 15 environments
karcher.turfgrass | Turfgrass ratings for different treatments
kayad.alfalfa | Yield monitor data for 4 cuttings of alfalfa in Saudi Arabia.
keen.potatodamage | Damage to potato tubers from lifting rods.
kempton.barley.uniformity | Uniformity trial of barley
kempton.competition | Sugar beet trial with competition effects
kempton.rowcol | Row-column experiment of wheat
kempton.slatehall | Slate Hall Farm 1976 spring wheat
kenward.cattle | Repeated measurement of weights of calves with two treatments.
kerr.sugarcane.uniformity | Uniformity trials of sugarcane, 4 fields
khan.brassica.uniformity | Uniformity trial of brassica.
khin.rice.uniformity | Uniformity trial of rice
kiesselbach.oats.uniformity | Uniformity trial of oats
kirk.potato | Variety trial of potatoes, highly replicated
kling.augmented | Augmented design of meadowfoam
kotowski.potato.uniformity | Uniformity trial of potato in Poland.
kreusler.maize | Growth of maize plants in Germany during 1875-1878
kristensen.barley.uniformity | Uniformity trial of barley
kulkarni.sorghum.uniformity | Uniformity trial of sorghum

## -- L --

lambert.soiltemp | Average monthly soil temperature near Zurich
lander.multi.uniformity | Uniformity trials of wheat and chari, 4 years on the same land.
larsen.timothy.uniformity | Uniformity trial of timothy grass in Norway
lasrosas.corn | Yield monitor data for a corn field in Argentina with variable nitrogen.
lavoranti.eucalyptus | Height of Eucalyptus trees in southern Brazil
laycock.tea.uniformity | Uniformity trials of tea
lee.potatoblight | Repeated measurements of resistance to potato blight
lehmann.millet.uniformity | Uniformity trial of millet in India
lehmann.rice.uniformity | Uniformity trial of rice in India
lehner.soybeanmold | Yield, white mold, and sclerotia for soybeans in Brazil
lessman.sorghum.uniformity | Uniformity trial of sorghum
li.millet.uniformity | Uniformity trial of millet
libs | Load multiple packages and install if needed
lillemo.wheat | Multi-environment trial of wheat susceptibile to powdery mildew
lin.superiority | Multi-environment trial of 33 barley genotypes in 12 locations
lin.unbalanced | Multi-environment trial of 33 barley genotypes in 18 locations
linder.wheat | Multi-environment trial of wheat in Switzerland
little.splitblock | Split-block experiment of sugar beets
loesell.bean.uniformity | Uniformity trial of white pea beans
lonnquist.maize | Multi-environment trial of maize, half diallel
lord.rice.uniformity | Uniformity trial of rice
love.cotton.uniformity | Uniformity trial of cotton
love.sugarcane.uniformity | Uniformity Trial of Sugarcane in Puerto Rico
lu.stability | Multi-environment trial of maize, to illustrate stability statistics
lucas.switchback | Switchback experiment on dairy cattle, milk yield for 3 treatments
lyon.potato.uniformity | Uniformity trial of potatoes
lyons.wheat | Multi-environment trial of winter wheat at 12 sites in 4 years.

## -- M --

magistad.pineapple.uniformity | Uniformity trial of pineapple
masood.rice.uniformity | Uniformity trial of rice
mcclelland.corn.uniformity | Uniformity trial of corn
mcconway.turnip | RCB experiment of turnips
mckinstry.cotton.uniformity | Uniformity trial of cotton in South Rhodesia
mcleod.barley | Multi-environment trial of barley in South Canterbury with yield and yield components
mead.cauliflower | Leaves for cauliflower plants at different times
mead.cowpea.maize | Intercropping experiment of maize/cowpea
mead.germination | Seed germination with different temperatures/concentrations
mead.lamb | Number of lambs born to 3 breeds on 3 farms
mead.strawberry | RCB experiment of strawberry
mead.turnip | Density/spacing experiment for turnips in 3 blocks.
mercer.mangold.uniformity | Uniformity trial of mangolds
mercer.wheat.uniformity | Uniformity trial of wheat
miguez.biomass | Biomass of 3 crops in Greece
minnesota.barley.weather | Monthly weather at 6 sites in Minnesota 1927-1936.
minnesota.barley.yield | Multi-environment trial of barley in Minnesota at 6 sites in 1927-1936.
montgomery.wheat.uniformity | Uniformity trial of wheat, 2 years on the same land
moore.bushbean.uniformity | Uniformity trials of pole beans, bush beans, sweet corn, carrots, spring and fall cauliflower
moore.carrot.uniformity | Uniformity trials of pole beans, bush beans, sweet corn, carrots, spring and fall cauliflower
moore.fallcauliflower.uniformity | Uniformity trials of pole beans, bush beans, sweet corn, carrots, spring and fall cauliflower
moore.polebean.uniformity | Uniformity trials of pole beans, bush beans, sweet corn, carrots, spring and fall cauliflower
moore.springcauliflower.uniformity | Uniformity trials of pole beans, bush beans, sweet corn, carrots, spring and fall cauliflower
moore.sweetcorn.uniformity | Uniformity trials of pole beans, bush beans, sweet corn, carrots, spring and fall cauliflower

## -- N --

nagai.strawberry.uniformity | Uniformity trial of strawberry
nair.turmeric.uniformity | Uniformity trial of turmeric.
narain.sorghum.uniformity | Uniformity trial of sorghum
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
nonnecke.peas.uniformity | Uniformity trial of canning peas
nonnecke.sweetcorn.uniformity | Uniformity trial of sweet corn

## -- O --

obsi.potato.uniformity | Uniformity trial of potato in Africa 2001
odland.soybean.uniformity | Uniformity trials of soy hay and soybeans
odland.soyhay.uniformity | Uniformity trials of soy hay and soybeans
oliveira.lupin.uniformity | Uniformity trial of lupin in Portugal
oliveira.potato.uniformity | Uniformity trial of potato
omer.sorghum | Multi-environment trial of sorghum, 6 environments
onofri.winterwheat | Multi-environment trial of winter wheat, 7 years
ortiz.tomato | Multi-environment trial of tomato in Latin America, weight/yield and environmental covariates
ortiz.tomato.covs | Multi-environment trial of tomato in Latin America, weight/yield and environmental covariates
ortiz.tomato.yield | Multi-environment trial of tomato in Latin America, weight/yield and environmental covariates

## -- P --

pacheco.soybean | Multi-environment trial of soybean in Brazil.
paez.coffee.uniformity | Uniformity trial of coffee
panse.cotton.uniformity | Uniformity trial of cotton
parker.orange.uniformity | Uniformity trial of oranges
patterson.switchback | Switchback experiment on dairy cattle, milk yield for 4 treatments
payne.wheat | Long term rotation experiment at Rothamsted
pearce.apple | Apple tree yields for 6 treatments with covariate
pearl.kernels | Counts of yellow/white and sweet/starchy maize kernels by 15 observers
pederson.lettuce.repeated | Repeated measurements of lettuce growth
perry.springwheat | Multi-environment trial of wheat cultivars introduced 1860-1982.
petersen.sorghum.cowpea | Intercropping experiment of sorghum/cowpea
piepho.barley.uniformity | Uniformity trial of barley
piepho.cocksfoot | Multi-environment trial of cock's foot, heading dates for 25 varieties in 7 years
polson.safflower.uniformity | Uniformity trial of safflower

## -- R --

rangaswamy.groundnut.uniformity | Uniformity trial of groundnut
ratkowsky.onions | Onion yields for different densities at two locations
rau.coffee.uniformity | Uniformity trial of coffee in India
reid.grasses | Yields of four grasses for a wide range of nitrogen fertilizer
riddle.wheat | Modified Latin Square experiments of wheat
ridout.appleshoots | Root counts for propagated columnar apple shoots.
robinson.peanut.uniformity | Uniformity trial of peanuts
roemer.sugarbeet.uniformity | Uniformity trial of sugar beets
rothamsted.brussels | RCB experiment of brussels sprouts, 9 fertilizer treatments
rothamsted.oats | RCB experiment of oats, straw and grain, 9 fertilizer treatments
ryder.groundnut | RCB experiment of groundut, wet and dry yields

## -- S --

salmon.bunt | Fungus infection in varieties of wheat
saunders.maize.uniformity | Uniformity trial of maize in South Africa
sawyer.multi.uniformity | Uniformity trials of wheat, swedes, oats, 3 years on the same land
sayer.sugarcane.uniformity | Uniformity trial of sugarcane in India, 1932, 1933 & 1934.
senshu.rice | Multi-environment trial of rice, with solar radiation and temperature
shafi.tomato.uniformity | Uniformity trial of tomato
shafii.rapeseed | Multi-environment trial of rapeseed in U.S.
sharma.met | Multi-environment trial
shaw.oats | Multi-environment trial of oats in India
siao.cotton.uniformity | Uniformity trials of cotton in China
silva.cotton | Number of cotton bolls for different levels of defoliation.
sinclair.clover | Clover yields in a factorial fertilizer experiment
smith.beans.uniformity | Uniformity trials of beans, 2 species in 2 years
smith.corn.uniformity | Uniformity trial of corn, 3 years on same ground
smith.wheat.uniformity | Uniformity trial of wheat
snedecor.asparagus | Asparagus yields for different cutting treatments
snijders.fusarium | Fusarium infection in wheat varieties
stephens.sorghum.uniformity | Uniformity trial of sorghum silage
steptoe.morex.geno | Multi-environment trial of barley, phenotypic and genotypic data for a population of Steptoe x Morex
steptoe.morex.pheno | Multi-environment trial of barley, phenotypic and genotypic data for a population of Steptoe x Morex
stickler.sorghum.uniformity | Uniformity trial of sorghum
stirret.borers | Corn borer control by application of fungal spores.
streibig.competition | Competition experiment between barley and sinapis.
strickland.apple.uniformity | Uniformity trial in apple
strickland.grape.uniformity | Uniformity trial of grape
strickland.peach.uniformity | Uniformity trial of peach
strickland.tomato.uniformity | Uniformity trial of tomato
stroup.nin | RCB experiment of wheat at the Nebraska Intrastate Nursery
stroup.splitplot | Split-plot experiment of simulated data
student.barley | Multi-environment trial of barley
summerby.multi.uniformity | Uniformity trial of maize, oat, alfalfa, mangolds

## -- T --

tai.potato | Multi-environment trial of potato
talbot.potato | Multi-environment trial of potato in UK, yields and trait scores at 12 locations
talbot.potato.traits | Multi-environment trial of potato in UK, yields and trait scores at 12 locations
talbot.potato.yield | Multi-environment trial of potato in UK, yields and trait scores at 12 locations
tesfaye.millet | Multi-environment trial of millet
theobald.barley | Multi-environment trial of barley, multiple years & fertilizer levels
theobald.covariate | Multi-environment trial of corn silage, Year * Loc * Variety with covariate
thompson.cornsoy | Multi-environment trial of corn & soybean, 1930-1962, with temperature and precipitation
tulaikow.wheat.uniformity | Uniformity trial of winter/spring wheat
turner.herbicide | Herbicide control of larkspur

## -- U --

urquhart.feedlot | Weight gain calves in a feedlot
usda.gmoadoption | Adoption of genetically modified crops in the United States
usgs.herbicides | Concentrations of herbicides in streams in the United States

## -- V --

vaneeuwijk.drymatter | Multi-environment trial of maize, dry matter content
vaneeuwijk.fusarium | Infection of wheat varieties by Fusarium strains from 1990 to 1993
vaneeuwijk.nematodes | Number of cysts on 11 potato genotypes for 5 potato cyst nematode populations.
vargas.txe | Treatment x environment interaction in agronomy trials
vargas.txe.covs | Treatment x environment interaction in agronomy trials
vargas.txe.yield | Treatment x environment interaction in agronomy trials
vargas.wheat1 | Wheat yields in 7 years with genetic and environment covariates
vargas.wheat1.covs | Wheat yields in 7 years with genetic and environment covariates
vargas.wheat1.traits | Wheat yields in 7 years with genetic and environment covariates
vargas.wheat2 | Multi-environment trial of wheat with environmental covariates
vargas.wheat2.covs | Multi-environment trial of wheat with environmental covariates
vargas.wheat2.yield | Multi-environment trial of wheat with environmental covariates
verbyla.lupin | Multi-environment trial of lupin, multiple varieties and densities
vishnaadevi.rice.uniformity | Uniformity trial of rice
vold.longterm | Long-term barley yields at different fertilizer levels
vsn.lupin3 | Multi-environment trial of lupin, early generation trial

## -- W --

wallace.iowaland | Iowa farmland values by county in 1925
walsh.cottonprice | Acres and price of cotton 1910-1943
wassom.brome.uniformity | Uniformity trials of bromegrass
waynick.soil | Soil nitrogen and carbon in two fields
wedderburn.barley | Multi-environment trial of barley, percent of leaves affected by leaf blotch
weiss.incblock | Soybean balanced incomplete block experiment
weiss.lattice | Lattice experiment in soybeans.
welch.bermudagrass | Factorial experiment of bermuda grass, 4x4x4, N, P, K fertilizers
wheatley.carrot | Insecticide treatments for carrot fly larvae
wiebe.wheat.uniformity | Uniformity trial of wheat
wiedemann.safflower.uniformity | Uniformity trial of safflower
williams.barley.uniformity | Uniformity trial of barley
williams.cotton.uniformity | Uniformity trial of cotton
williams.trees | Multi-environment trial of trees, height / survival of 37 species at 6 sites in Thailand
woodman.pig | Weight gain in pigs for different treatments
wyatt.multi.uniformity | Uniformity trial of oats and wheat on the same ground.

## -- Y --

yan.winterwheat | Multi-environment trial of winter wheat in Ontario
yang.barley | Multi-environment trial of barley in Alberta, 6 varieties at 18 locations in Alberta.
yates.missing | Factorial experiment of potato, 3x3 with missing values
yates.oats | Split-plot experiment of oats

## -- Z --

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