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agridat (version 1.25)

Agricultural Datasets

Description

Datasets from books, papers, and websites related to agriculture. Example graphics and analyses are included. Data come from small-plot trials, multi-environment trials, uniformity trials, yield monitors, and more.

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install.packages('agridat')

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Version

1.25

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MIT + file LICENSE

Maintainer

Kevin Wright

Last Published

October 8th, 2025

Functions in agridat (1.25)

ansari.wheat.uniformity

Uniformity trial of wheat

allcroft.lodging

Multi-environment trial of cereal with lodging data

Multi-environment trial of sorghum at 3 locations across 5 years

Split-split plot experiment of apple trees

australia.soybean

Multi-environment trial of soybean in Australia

aastveit.barley

Barley heights and environmental covariates in Norway

Datasets from agricultural experiments

ars.earlywhitecorn96

Multi-environment trial of early white food corn

acorsi.grayleafspot

Multi-environment trial evaluating 36 maize genotypes in 9 locations

For the 34 sheep sires, the number of lambs in each of 5 foot shape classes.

Survey and satellite data for corn and soy areas in Iowa

batchelor.uniformity

Uniformity trials of apples, lemons, oranges, and walnuts

baker.strawberry.uniformity

Uniformity trial of strawberry

baker.barley.uniformity

Uniformity trials of barley, 10 years on same ground

bancroft.peanut.uniformity

Uniformity trial of peanuts

bailey.cotton.uniformity

Uniformity trial of cotton in Egypt

baker.wheat.uniformity

Uniformity trial of wheat

Counts of webworms in a beet field, with insecticide treatments.

bachmaier.nitrogen

Trial of wheat with nitrogen fertilizer in two fertility zones

Multi-environment trial of maize in Texas.

Yields of 8 barley varieties in 1913 as used by Student.

Competition experiment in beans with height measurements

Check variety yields in winter wheat.

beckett.maize.uniformity

A uniformity trial of maize in Ghana.

Presence of footroot disease in an endive field

Multi-environment trial of corn, incomplete-block design

RCB experiment of wheat, 50 varieties in 3 blocks with strong spatial trend.

brandt.switchback

Switchback experiment on dairy cattle, milk yield for two treatments

bridges.cucumber

Multi-environment trial of cucumbers in a latin square design

Weight of cork samples on four sides of trees

Mating crosses of chickens

bose.multi.uniformity

Uniformity trials of barley, wheat, lentils

RCB experiment of spring barley in United Kingdom

Multi-environment trial of wheat in Sweden in 2016.

Diallel cross of winter beans

burgueno.rowcol

Row-column design

burgueno.unreplicated

Field experiment with unreplicated genotypes plus one repeated check.

Corn borer infestation under four treatments

Incomplete block alpha design

Diameters of apples

Multi-environment trial of maize with pedigrees

Yield and number of plants in a sugarbeet fertilizer experiment

Multi-environment trial of corn, balanced incomplete block design

christidis.wheat.uniformity

Uniformity trial of wheat

belamkar.augmented

Multi-environment trial of wheat with Augmented design

besag.triticale

Four-way factorial agronomic experiment in triticale

Multi-environment trial of wheat, conventional and semi-dwarf varieties

cochran.wireworms

Wireworms controlled by fumigants in a latin square

cochran.lattice

Balanced lattice experiment in cotton

chakravertti.factorial

Factorial experiment of rice, 3x5x3x3

chinloy.fractionalfactorial

Fractional factorial of sugarcane, 1/3 3^5 = 3x3x3x3x3

cornelius.maize

Multi-environment trial of maize for 9 cultivars at 20 locations.

caribbean.maize

Multi-environment trial of maize with fertilization

Soil resistivity in a field

carlson.germination

Germination of alfalfa seeds at various salt concentrations

cochran.factorial

Factorial experiment of beans, 2x2x2x2

Latin square design in wheat

Germination of Orobanche seeds for two genotypes and two treatments.

corsten.interaction

Multi-environment trial of corn

cullis.earlygen

Early generation variety trial in wheat

Incomplete-block experiment of maize in Ethiopia.

Darwin's maize data of crossed/inbred plant heights

bryan.corn.uniformity

Uniformity trial of corn at 3 locations in Iowa.

Multi-environment trial with structured missing values

Multi-environment trial of rape in Manitoba

bradley.multi.uniformity

Uniformity trial of 4 crops on the same land

Graeco-Latin Square experiment in pine

day.wheat.uniformity

Uniformity trial of wheat

digby.jointregression

Multi-environment trial of wheat

Row-column experiment of spring barley, many varieties

Strip-split-plot of barley with fertilizer, calcium, and soil factors.

Multi-environment trial of perennial ryegrass in France

ducker.groundnut.uniformity

Uniformity trial of groundnut

eden.tea.uniformity

Uniformity trial of tea

depalluel.sheep

Latin square of four breeds of sheep with four diets

Multi-environment trial of oats in United States, 5 locations, 7 years.

cramer.cucumber

Cucumber yields and quantitative traits

durban.splitplot

Split-plot experiment of barley with fungicide treatments

durban.competition

Sugar beet yields with competition effects

connolly.potato

Potato yields in single-drill plots

davidian.soybean

Growth of soybean varieties in 3 years

coombs.rice.uniformity

Uniformity trial of rice in Malaysia

davies.pasture.uniformity

Uniformity trial of pasture.

Latin square experiment on mangolds

forster.wheat.uniformity

Uniformity trial of wheat in Australia.

Multi-environment trial of wheat, 22 varieties at 14 sites in Australia

foulley.calving

Calving difficulty by calf sex and age of dam

Weight gain in pigs for different treatments

Nonlinear maize yield-density model

Multi-environment trial of wheat for 18 genotypes at 25 locations

Relative cotton yield for different soil potassium concentrations

gomez.groupsplit

Group balanced split-plot design in rice

gomez.fractionalfactorial

Fractional factorial of rice, 1/2 2^6 = 2x2x2x2x2x2

broadbalk.wheat

Long term wheat yields on Broadbalk fields at Rothamsted.

Multi-environment trial of maize hybrids in China

Height of barley plants in a study of non-normal data

Multi-location/year breeding trial in California

federer.diagcheck

Wheat experiment with diagonal checks

gomez.multilocsplitplot

Multi-environment trial of rice, split-plot design

Soil nitrogen at three times for eight fertilizer treatments

gilmour.serpentine

Wheat yield in South Australia with serpentine row/col effects

gilmour.slatehall

Slate Hall Farm 1978

federer.tobacco

RCB of tobacco, height plants exposed to radiation

Multi-environment trial of 5 barley varieties, 6 locations, 2 years

Potato yields in response to potash and nitrogen fertilizer

RCB experiment of rice, 6 densities

graybill.heteroskedastic

Multi-environment trial of wheat varieties with heteroskedastic yields

gomez.stripplot

Strip-plot experiment of rice

Factorial experiment of cotton in Sudan.

gomez.splitsplit

Split-split-plot experiment of rice

Straw length and ear emergence for wheat genotypes.

gomez.splitplot.subsample

Split-plot experiment of rice, with subsamples

gorski.oats.uniformity

Uniformity trial of oats in Poland

gotway.hessianfly

Hessian fly damage to wheat varieties

gomez.heteroskedastic

RCB experiment of rice, heteroskedastic varieties

gomez.heterogeneity

RCB experiment of rice, heterogeneity of regressions

christidis.cotton.uniformity

Uniformity trial of cotton

christidis.competition

Competition between varieties in cotton

gomez.rice.uniformity

Uniformity trial of rice

Impact of Bt corn on non-target species

Multi-environment trial of maize

cochran.eelworms

Counts of eelworms before and after fumigant treatments

gomez.nonnormal3

RCB experiment of rice, 12 varieties with leafhopper survival

Latin square experiment for testing fungicide

goulden.splitsplit

Split-split-plot experiment of wheat

Potato scab infection with sulfur treatments

Bodyweight of cows in a 2-by-2 factorial experiment

evans.sugarcane.uniformity

Uniformity trial of sugarcane

garber.multi.uniformity

Uniformity trials of oat hay and wheat grain

Sample of egg weights on 24 consecutive days

dasilva.soybean.uniformity

Uniformity trial of soybean

draper.safflower.uniformity

Uniformity trial of safflower

harris.wateruse

Water use by horticultural trees

engelstad.nitro

Multi-environment trial of corn with nitrogen fertilizer

harris.multi.uniformity

Uniformity trials with multiple crops, 15 years on the same land

gomez.nonnormal1

Insecticide treatment effectiveness

hanks.sprinkler

Wheat yields in a line-source sprinkler experiment

hanover.whitepine

Mating crosses of white pine trees

Yield monitor data from a corn field in Minnesota

heady.fertilizer

Yield of corn, alfalfa, clover with two fertilizers

Diallel cross of Aztec tobacco

hazell.vegetables

Gross profit for 4 vegetable crops in 6 years

hansen.multi.uniformity

Multi-year uniformity trial in Denmark

Multi-environment trial of corn with nitrogen fertilizer

haritonenko.sugarbeet.uniformity

Uniformity trial of sugar beet

harrison.priors

Ranges of analytes in soybean from other authors

henderson.milkfat

Milk fat yields for a single cow

hartman.tomato.uniformity

Uniformity trial of tomato

goulden.barley.uniformity

Uniformity trial of barley

heath.radish.uniformity

Uniformity trial of radish

heath.cabbage.uniformity

Uniformity trial of cabbage.

hutchinson.cotton.uniformity

Uniformity trial of cotton

gumpertz.pepper

Phytophtera disease incidence in a pepper field

RCB experiment of grape, disease incidence

Multi-environment trial of wheat to illustrate stability statistics

holshouser.splitstrip

Split-strip-plot of soybeans

Average daily gain of 65 steers for 3 lines, 9 sires.

holtsmark.timothy.uniformity

Uniformity trial of timothy grass in Norway

Birth weight of lambs from different lines/sires

hadasch.lettuce

Lettuce resistance to downy mildew resistance (with marker data)

gomez.stripsplitplot

Strip-split-plot experiment of rice

Multi-environment trial of soybeans in New York, 1977 to 1988

hildebrand.systems

Multi-environment trial of maize for four cropping systems

gomez.nonnormal2

RCB experiment of rice, measuring white heads

Infestation of carrots by fly larvae

grover.rcb.subsample

Rice RCB with subsamples

Rice yield in wet & dry seasons with nitrogen fertilizer treatments

Potato blight due to weather in Prosser, Washington

jayaraman.bamboo

Bamboo progeny trial

iyer.wheat.uniformity

Uniformity trials of wheat in India

jegorow.oats.uniformity

Uniformity trial of oats in Russia

Birth weight and weaning weight of Dorper x Red Maasi lambs

igue.sugarcane.uniformity

Uniformity trial with sugarcane

kempton.slatehall

Slate Hall Farm 1976 spring wheat

Row-column experiment of wheat

jurowski.wheat.uniformity

Uniformity trial of wheat in Russia

johnson.douglasfir

A study of small-plots of old-growth Douglas Fir in Oregon.

jones.corn.uniformity

Uniformity trial of corn.

Infestation of apple shoots by apple canker.

kadam.millet.uniformity

Uniformity trial of millet

kempton.barley.uniformity

Uniformity trial of barley

kalamkar.potato.uniformity

Uniformity trial of potatoes

kempton.competition

Sugar beet trial with competition effects

jansen.strawberry

Ordered disease ratings of strawberry crosses.

holland.arthropods

Counts of arthropods in a grid-sampled wheat field

kotowski.potato.uniformity

Uniformity trial of potato in Poland.

kling.augmented

Augmented design of meadowfoam

Yields from treatment for mildew control

Alpha lattice design of spring oats

kulkarni.sorghum.uniformity

Uniformity trial of sorghum

kiesselbach.oats.uniformity

Uniformity trial of oats

Variety trial of potatoes, highly replicated

Repeated measurement of weights of calves with two treatments.

kerr.sugarcane.uniformity

Uniformity trials of sugarcane, 4 fields

Yield monitor data for a corn field in Argentina with variable nitrogen.

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

lavoranti.eucalyptus

Height of Eucalyptus trees in southern Brazil

lambert.soiltemp

Average monthly soil temperature near Zurich

hessling.argentina

Relation between wheat yield and weather in Argentina

immer.sugarbeet.uniformity

Uniformity trial of sugarbeets, measurements of yield, sugar, purity

Percent ground cover of herbage species and nettles.

hernandez.nitrogen

Multi-environment trial of corn with nitrogen fertilizer at 5 sites.

lord.rice.uniformity

Uniformity trial of rice

Growth of maize plants in Germany during 1875-1878

lonnquist.maize

Multi-environment trial of maize, half diallel

Multi-environment trial of wheat susceptibile to powdery mildew

karcher.turfgrass

Turfgrass ratings for different treatments

lehmann.rice.uniformity

Uniformity trial of rice in India

Multi-environment trial of peanuts for 10 genotypes in 15 environments

kristensen.barley.uniformity

Uniformity trial of barley

lehner.soybeanmold

Yield, white mold, and sclerotia for soybeans in Brazil

lin.superiority

Multi-environment trial of 33 barley genotypes in 12 locations

Multi-environment trial of maize, to illustrate stability statistics

little.splitblock

Split-block experiment of sugar beets

lucas.switchback

Switchback experiment on dairy cattle, milk yield for 3 treatments

mead.strawberry

RCB experiment of strawberry

lee.potatoblight

Repeated measurements of resistance to potato blight

Load multiple packages and install if needed

lessman.sorghum.uniformity

Uniformity trial of sorghum

Multi-environment trial of maize in Louisianna at 4 locs in 3 years

laycock.tea.uniformity

Uniformity trials of tea

kalamkar.wheat.uniformity

Uniformity trial of wheat

lyon.potato.uniformity

Uniformity trial of potatoes

keen.potatodamage

Damage to potato tubers from lifting rods.

Yield monitor data for 4 cuttings of alfalfa in Saudi Arabia.

li.millet.uniformity

Uniformity trial of millet

Multi-environment trial of winter wheat at 12 sites in 4 years.

Density/spacing experiment for turnips in 3 blocks.

Multi-environment trial of wheat in Switzerland

Multi-environment trial of 33 barley genotypes in 18 locations

khan.brassica.uniformity

Uniformity trial of brassica.

khin.rice.uniformity

Uniformity trial of rice

mead.cowpea.maize

Intercropping experiment of maize/cowpea

mckinstry.cotton.uniformity

Uniformity trial of cotton in South Rhodesia

Multi-environment trial of barley in South Canterbury with yield and yield components

lehmann.millet.uniformity

Uniformity trial of millet in India

Biomass of 3 crops in Greece

mercer.mangold.uniformity

Uniformity trial of mangolds

loesell.bean.uniformity

Uniformity trial of white pea beans

mcconway.turnip

RCB experiment of turnips

mercer.wheat.uniformity

Uniformity trial of wheat

masood.rice.uniformity

Uniformity trial of rice

U.S. historical crop yields by state

nagai.strawberry.uniformity

Uniformity trial of strawberry

mcclelland.corn.uniformity

Uniformity trial of corn

montgomery.wheat.uniformity

Uniformity trial of wheat, 2 years on the same land

moore.uniformity

Uniformity trials of pole beans, bush beans, sweet corn, carrots, spring and fall cauliflower

Number of lambs born to 3 breeds on 3 farms

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

pacheco.soybean

Multi-environment trial of soybean in Brazil.

Counts of yellow/white and sweet/starchy maize kernels by 15 observers

nebraska.farmincome

Nebraska farm income in 2007 by county

love.sugarcane.uniformity

Uniformity Trial of Sugarcane in Puerto Rico

odland.soybean.uniformity

Uniformity trials of soy hay and soybeans

mead.germination

Seed germination with different temperatures/concentrations

love.cotton.uniformity

Uniformity trial of cotton

minnesota.barley.weather

Monthly weather at 6 sites in Minnesota 1927-1936.

magistad.pineapple.uniformity

Uniformity trial of pineapple

nair.turmeric.uniformity

Uniformity trial of turmeric.

mead.cauliflower

Leaves for cauliflower plants at different times

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

minnesota.barley.yield

Multi-environment trial of barley in Minnesota at 6 sites in 1927-1936.

shafi.tomato.uniformity

Uniformity trial of tomato

nonnecke.peas.uniformity

Uniformity trial of canning peas

sayer.sugarcane.uniformity

Uniformity trial of sugarcane in India, 1932, 1933 & 1934.

parker.orange.uniformity

Uniformity trial of oranges

oliveira.lupin.uniformity

Uniformity trial of lupin in Portugal

Multi-environment trial of sorghum, 6 environments

sawyer.multi.uniformity

Uniformity trials of wheat, swedes, oats, 3 years on the same land

Multi-environment trial of rice, with solar radiation and temperature

nonnecke.sweetcorn.uniformity

Uniformity trial of sweet corn

patterson.switchback

Switchback experiment on dairy cattle, milk yield for 4 treatments

Modified Latin Square experiments of wheat

rothamsted.oats

RCB experiment of oats, straw and grain, 9 fertilizer treatments

polson.safflower.uniformity

Uniformity trial of safflower

paez.coffee.uniformity

Uniformity trial of coffee

piepho.cocksfoot

Multi-environment trial of cock's foot, heading dates for 25 varieties in 7 years

pederson.lettuce.repeated

Repeated measurements of lettuce growth

onofri.winterwheat

Multi-environment trial of winter wheat, 7 years

narain.sorghum.uniformity

Uniformity trial of sorghum

rangaswamy.groundnut.uniformity

Uniformity trial of groundnut

Yields of four grasses for a wide range of nitrogen fertilizer

oliveira.potato.uniformity

Uniformity trial of potato

snedecor.asparagus

Asparagus yields for different cutting treatments

Long term rotation experiment at Rothamsted

steptoe.morex.pheno

Multi-environment trial of barley, phenotypic and genotypic data for a population of Steptoe x Morex

roemer.sugarbeet.uniformity

Uniformity trial of sugar beets

smith.wheat.uniformity

Uniformity trial of wheat

thompson.cornsoy

Multi-environment trial of corn & soybean, 1930-1962, with temperature and precipitation

Multi-environment trial of potato in UK, yields and trait scores at 12 locations

Multi-environment trial of oats in India

rothamsted.brussels

RCB experiment of brussels sprouts, 9 fertilizer treatments

strickland.peach.uniformity

Uniformity trial of peach

Multi-environment trial of potato

stickler.sorghum.uniformity

Uniformity trial of sorghum

ryder.groundnut

RCB experiment of groundut, wet and dry yields

ratkowsky.onions

Onion yields for different densities at two locations

sinclair.clover

Clover yields in a factorial fertilizer experiment

panse.cotton.uniformity

Uniformity trial of cotton

Fungus infection in varieties of wheat

obsi.potato.uniformity

Uniformity trial of potato in Africa 2001

Apple tree yields for 6 treatments with covariate

rau.coffee.uniformity

Uniformity trial of coffee in India

ridout.appleshoots

Root counts for propagated columnar apple shoots.

robinson.peanut.uniformity

Uniformity trial of peanuts

siao.cotton.uniformity

Uniformity trials of cotton in China

Multi-environment trial of barley

urquhart.feedlot

Weight gain calves in a feedlot

snijders.fusarium

Fusarium infection in wheat varieties

RCB experiment of wheat at the Nebraska Intrastate Nursery

shafii.rapeseed

Multi-environment trial of rapeseed in U.S.

tulaikow.wheat.uniformity

Uniformity trial of winter/spring wheat

Treatment x environment interaction in agronomy trials

summerby.multi.uniformity

Uniformity trial of maize, oat, alfalfa, mangolds

Wheat yields in 7 years with genetic and environment covariates

stephens.sorghum.uniformity

Uniformity trial of sorghum silage

theobald.covariate

Multi-environment trial of corn silage, Year * Loc * Variety with covariate

usda.gmoadoption

Adoption of genetically modified crops in the United States

Number of cotton bolls for different levels of defoliation.

saunders.maize.uniformity

Uniformity trial of maize in South Africa

usgs.herbicides

Concentrations of herbicides in streams in the United States

Corn borer control by application of fungal spores.

streibig.competition

Competition experiment between barley and sinapis.

Multi-environment trial of wheat with environmental covariates

Multi-environment trial

smith.corn.uniformity

Uniformity trial of corn, 3 years on same ground

wedderburn.barley

Multi-environment trial of barley, percent of leaves affected by leaf blotch

vaneeuwijk.fusarium

Infection of wheat varieties by Fusarium strains from 1990 to 1993

williams.barley.uniformity

Uniformity trial of barley

Soil nitrogen and carbon in two fields

vaneeuwijk.nematodes

Number of cysts on 11 potato genotypes for 5 potato cyst nematode populations.

Multi-environment trial of millet

theobald.barley

Multi-environment trial of barley, multiple years & fertilizer levels

strickland.tomato.uniformity

Uniformity trial of tomato

smith.beans.uniformity

Uniformity trials of beans, 2 species in 2 years

vishnaadevi.rice.uniformity

Uniformity trial of rice

Multi-environment trial of barley in Alberta, 6 varieties at 18 locations in Alberta.

Factorial experiment of potato, 3x3 with missing values

vaneeuwijk.drymatter

Multi-environment trial of maize, dry matter content

williams.cotton.uniformity

Uniformity trial of cotton

wiedemann.safflower.uniformity

Uniformity trial of safflower

walsh.cottonprice

Acres and price of cotton 1910-1943

wiebe.wheat.uniformity

Uniformity trial of wheat

wassom.brome.uniformity

Uniformity trials of bromegrass

Soybean balanced incomplete block experiment

Split-plot experiment of oats

Multi-environment trial of trees, height / survival of 37 species at 6 sites in Thailand

Long-term barley yields at different fertilizer levels

Weight gain in pigs for different treatments

Lattice experiment in soybeans.

zuidhof.broiler

Daily weight, feed, egg measurements for a broiler chicken

Multi-environment trial of lupin, early generation trial

yan.winterwheat

Multi-environment trial of winter wheat in Ontario

stroup.splitplot

Split-plot experiment of simulated data

Multi-environment trial of lupin, multiple varieties and densities

wheatley.carrot

Insecticide treatments for carrot fly larvae

wyatt.multi.uniformity

Uniformity trial of oats and wheat on the same ground.

strickland.apple.uniformity

Uniformity trial in apple

wallace.iowaland

Iowa farmland values by county in 1925

turner.herbicide

Herbicide control of larkspur

strickland.grape.uniformity

Uniformity trial of grape

welch.bermudagrass

Factorial experiment of bermuda grass, 4x4x4, N, P, K fertilizers