Package index • agridat

All functions

aastveit.barley.covs 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 agridat-package: 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

arankacami.groundnut.uniformity: Uniformity trial of groundnut

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

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 batchelor.lemon.uniformity batchelor.navel1.uniformity batchelor.navel2.uniformity batchelor.valencia.uniformity 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

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

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

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

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

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

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

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

hadasch.lettuce: 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

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

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

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

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

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

lambert.soiltemp: Average monthly soil temperature near Zurich

lander.multi.uniformity: Uniformity trials of wheat and chari, 4 years on the same land.

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

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

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.

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 moore.carrot.uniformity moore.polebean.uniformity moore.sweetcorn.uniformity moore.springcauliflower.uniformity moore.fallcauliflower.uniformity: Uniformity trials of pole beans, bush beans, sweet corn, carrots, spring and fall cauliflower

nagai.strawberry.uniformity: Uniformity trial of strawberry

nair.turmeric.uniformity: Uniformity trial of turmeric.

narain.sorghum.uniformity: Uniformity trial of sorghum

nass.barley nass.corn nass.cotton nass.hay nass.sorghum nass.wheat nass.rice nass.soybean: 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

obsi.potato.uniformity: Uniformity trial of potato in Africa 2001

odland.soybean.uniformity odland.soyhay.uniformity: Uniformity trials of soy hay and soybeans

omer.sorghum: Multi-environment trial of sorghum, 6 environments

onofri.winterwheat: Multi-environment trial of winter wheat, 7 years

ortiz.tomato.covs ortiz.tomato.yield: Multi-environment trial of tomato in Latin America, weight/yield and environmental covariates

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

ratkowsky.onions: Onion yields for different densities at two locations

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

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.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

tai.potato: Multi-environment trial of potato

talbot.potato.traits 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

urquhart.feedlot: Weight gain calves in a feedlot

usgs.herbicides: Concentrations of herbicides in streams in the United States

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.covs vargas.txe.yield: Treatment x environment interaction in agronomy trials

vargas.wheat1.covs vargas.wheat1.traits: Wheat yields in 7 years with genetic and environment covariates

vargas.wheat2.covs 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

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.

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

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