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agridat (version 1.18)

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

1.18

License

CC BY-SA 4.0

Maintainer

Kevin Wright

Last Published

January 12th, 2021

Functions in agridat (1.18)

allcroft.lodging

Multi-environment trial of cereal with lodging data

ars.earlywhitecorn96

Multi-environment trial of early white food corn

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

aastveit.barley

Barley heights and environmental covariates in Norway

australia.soybean

Multi-environment trial of soybean in Australia

acorsi.grayleafspot

Multi-environment trial evaluating 36 maize genotypes in 9 locations

Split-split plot experiment of apple trees

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

Datasets from agricultural experiments

ansari.wheat.uniformity

Uniformity trial of wheat

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

Mating crosses of chickens

RCB experiment of spring barley in United Kingdom

baker.wheat.uniformity

Uniformity trial of wheat

baker.strawberry.uniformity

Uniformity trial of strawberry

baker.barley.uniformity

Uniformity trials of barley, 10 years on same ground

Diallel cross of winter beans

bose.multi.uniformity

Uniformity trials of barley, wheat, lentils

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

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

Presence of footroot disease in an endive field

Survey and satellite data for corn and soy areas in Iowa

batchelor.uniformity

Uniformity trials of apples, lemons, oranges, and walnuts

Corn borer infestation under four treatments

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

burgueno.rowcol

Row-column design

bridges.cucumber

Multi-environment trial of cucumbers in a latin square design

broadbalk.wheat

Long term wheat yields on Broadbalk fields at Rothamsted.

burgueno.unreplicated

Field experiment with unreplicated genotypes plus one repeated check.

Check variety yields in winter wheat.

Competition experiment in beans with height measurements

Weight of cork samples on four sides of trees

Multi-environment trial of rape in Manitoba

bradley.multi.uniformity

Uniformity trial of 4 crops on the same land

christidis.competition

Competition between varieties in cotton

chinloy.fractionalfactorial

Sugarcane fractional factorial 1/3 3^5

Multi-environment trial of maize with pedigrees

Diameters of apples

cochran.lattice

Balanced lattice experiment in cotton

Soil resistivity in a field

Latin square design in wheat

Yield and number of plants in a sugarbeet fertilizer experiment

Germination of Orobanche seeds for two genotypes and two treatments.

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

corsten.interaction

Multi-environment trial of corn

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

bancroft.peanut.uniformity

Uniformity trial of peanuts

Nonlinear maize yield-density model

christidis.cotton.uniformity

Uniformity trial of cotton

brandt.switchback

Switchback experiment on dairy cattle, milk yield for two treatments

christidis.wheat.uniformity

Uniformity trial of wheat

Multi-environment trial of corn, incomplete-block design

cochran.eelworms

Counts of eelworms before and after fumigant treatments

cochran.factorial

Factorial experiment in beans

Weight gain in pigs for different treatments

Multi-environment trial of corn, balanced incomplete block design

Relative cotton yield for different soil potassium concentrations

cramer.cucumber

Cucumber yields and quantitative traits

Incomplete block alpha design

bryan.corn.uniformity

Uniformity trial of corn at 3 locations in Iowa.

besag.triticale

Four-way factorial agronomic experiment in triticale

Potato scab infection with sulfur treatments

cullis.earlygen

Early generation variety trial in wheat

Graeco-Latin Square experiment in pine

Multi-environment trial of perennial ryegrass in France

Incomplete-block experiment of maize in Ethiopia.

carlson.germination

Germination of alfalfa seeds at various salt concentrations

caribbean.maize

Multi-environment trial of maize with fertilization

Potato yields in response to potash and nitrogen fertilizer

depalluel.sheep

Latin square of four breeds of sheep with four diets

davidian.soybean

Growth of soybean varieties in 3 years

engelstad.nitro

Multi-environment trial of corn with nitrogen fertilizer

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

Row-column experiment of spring barley, many varieties

durban.competition

Sugar beet yields with competition effects

cornelius.maize

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

Latin square experiment on mangolds

digby.jointregression

Multi-environment trial of wheat

foulley.calving

Calving difficulty by calf sex and age of dam

cochran.wireworms

Wireworms controlled by fumigants in a latin square

connolly.potato

Potato yields in single-drill plots

federer.tobacco

RCB of tobacco, height plants exposed to radiation

Darwin's maize data of crossed/inbred plant heights

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

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

day.wheat.uniformity

Uniformity trial of wheat

durban.splitplot

Split-plot experiment of barley with fungicide treatments

gomez.splitsplit

Split-split-plot experiment of rice

Multi-environment trial with structured missing values

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

correa.soybean.uniformity

Uniformity trial of soybean

gomez.stripplot

Strip-plot experiment of rice

davies.pasture.uniformity

Uniformity trial of pasture.

Multi-environment trial of maize

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

gilmour.serpentine

Wheat yield in South Australia with serpentine row/col effects

eden.tea.uniformity

Uniformity trial of tea

draper.safflower.uniformity

Uniformity trial of safflower

Straw length and ear emergence for wheat genotypes.

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

goulden.barley.uniformity

Uniformity trial of barley

harris.multi.uniformity

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

gotway.hessianfly

Hessian fly damage to wheat varieties

RCB experiment of rice, 6 densities

Multi-location/year breeding trial in California

graybill.heteroskedastic

Multi-environment trial of wheat varieties with heteroskedastic yields

Multi-environment trial of maize hybrids in China

hessling.argentina

Relation between wheat yield and weather in Argentina

goulden.splitsplit

Split-split-plot experiment of wheat

gomez.splitplot.subsample

Split-plot experiment of rice, with subsamples

hildebrand.systems

Multi-environment trial of maize for four cropping systems

hanks.sprinkler

Wheat yields in a line-source sprinkler experiment

Infestation of carrots by fly larvae

jansen.strawberry

Ordered disease ratings of strawberry crosses.

gomez.multilocsplitplot

Multi-environment trial of rice, split-plot design

Soil nitrogen at three times for eight fertilizer treatments

federer.diagcheck

Wheat experiment with diagonal checks

Impact of Bt corn on non-target species

hanover.whitepine

Mating crosses of white pine trees

Yield monitor data from a corn field in Minnesota

harris.wateruse

Water use by horticultural trees

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

Alpha lattice design of spring oats

holtsmark.timothy.uniformity

Uniformity trial of timothy

gomez.rice.uniformity

Uniformity trial of rice

gomez.nonnormal3

RCB experiment of rice, 12 varieties with leafhopper survival

Birth weight of lambs from different lines/sires

Multi-environment trial of wheat to illustrate stability statistics

jayaraman.bamboo

Bamboo progeny trial

Sample of egg weights on 24 consecutive days

gomez.groupsplit

Group balanced split-plot design in rice

Birth weight and weaning weight of Dorper x Red Maasi lambs

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

igue.sugarcane.uniformity

Uniformity trial with sugarcane

kempton.slatehall

Slate Hall Farm 1976 spring wheat

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

Repeated measurement of weights of calves with two treatments.

lander.multi.uniformity

Uniformity trials of wheat and chari, 4 years on the same land.

lambert.soiltemp

Average monthly soil temperature near Zurich

Potato blight due to weather in Prosser, Washington

loesell.bean.uniformity

Uniformity trial of white pea beans

lonnquist.maize

Multi-environment trial of maize, half diallel

kristensen.barley.uniformity

Uniformity trial of barley

kulkarni.sorghum.uniformity

Uniformity trial of sorghum

gomez.heteroskedastic

RCB experiment of rice, heteroskedastic varieties

gomez.stripsplitplot

Strip-split-plot experiment of rice

Rice yield in wet & dry seasons with nitrogen fertilizer treatments

harrison.priors

Ranges of analytes in soybean from other authors

Latin square experiment for testing fungicide

magistad.pineapple.uniformity

Uniformity trial of pineapple

hartman.tomato.uniformity

Uniformity trial of tomato

garber.multi.uniformity

Uniformity trials of oat hay and wheat grain

gilmour.slatehall

Slate Hall Farm 1978

henderson.milkfat

Milk fat yields for a single cow

Factorial experiment of cotton in Sudan.

hernandez.nitrogen

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

mead.strawberry

RCB experiment of strawberry

Yields from treatment for mildew control

gomez.fractionalfactorial

Rice fractional factorial experiment 1/2 2^6.

Number of lambs born to 3 breeds on 3 farms

masood.rice.uniformity

Uniformity trial of rice

johnson.douglasfir

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

iyer.wheat.uniformity

Uniformity trials of wheat in India

gomez.nonnormal1

Insecticide treatment effectiveness

Infestation of apple shoots by apple canker.

minnesota.barley.weather

Monthly weather at 6 sites in Minnesota 1927-1936.

gumpertz.pepper

Phytophtera disease incidence in a pepper field

kempton.barley.uniformity

Uniformity trial of barley

keen.potatodamage

Damage to potato tubers from lifting rods.

heath.raddish.uniformity

Uniformity trial of raddish

heady.fertilizer

Yield of corn, alfalfa, clover with two fertilizers

Diallel cross of Aztec tobacco

minnesota.barley.yield

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

gomez.nonnormal2

RCB experiment of rice, measuring white heads

RCB experiment of grape, disease incidence

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

hazell.vegetables

Gross profit for 4 vegetable crops in 6 years

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

lavoranti.eucalyptus

Height of Eucalyptus trees in southern Brazil

Multi-environment trial of corn with nitrogen fertilizer

lyon.potato.uniformity

Uniformity trial of potatoes

holland.arthropods

Counts of arthropods in a grid-sampled wheat field

holshouser.splitstrip

Split-strip-plot of soybeans

Multi-environment trial of wheat in Switzerland

little.splitblock

Split-block experiment of sugar beets

Density/spacing experiment for turnips in 3 blocks.

kadam.millet.uniformity

Uniformity trial of millet

Row-column experiment of wheat

kempton.competition

Sugar beet trial with competition effects

Load multiple packages and install if needed The 'agridat' package uses dozens of packages in the examples for each dataset. The 'libs' function provides a simple way to load multiple packages at once, and can install any missing packages on-the-fly. This is very similar to the `pacman::p_load` function.

odland.soybean.uniformity

Uniformity trials of soy hay and soybeans

mercer.mangold.uniformity

Uniformity trial of mangolds

piepho.barley.uniformity

Uniformity trial of barley

perry.springwheat

Multi-environment trial of wheat cultivars introduced 1860-1982.

shafii.rapeseed

Multi-environment trial of rapeseed in U.S.

Multi-environment trial of sorghum, 6 environments

Multi-environment trial of oats in India

Multi-environment trial of maize, to illustrate stability statistics

Multi-environment trial of wheat susceptibile to powdery mildew

immer.sugarbeet.uniformity

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

kalamkar.potato.uniformity

Uniformity trial of potatoes

lucas.switchback

Switchback experiment on dairy cattle, milk yield for 3 treatments

mercer.wheat.uniformity

Uniformity trial of wheat

Biomass of 3 crops in Greece

karcher.turfgrass

Turfgrass ratings for different treatments

Percent ground cover of herbage species and nettles.

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

RCB experiment of wheat at the Nebraska Intrastate Nursery

mcclelland.corn.uniformity

Uniformity trial of corn

strickland.tomato.uniformity

Uniformity trial of tomato

kiesselbach.oats.uniformity

Uniformity trial of oats

kalamkar.wheat.uniformity

Uniformity trial of wheat

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

Multi-environment trial of potato

ridout.appleshoots

Root counts for propagated columnar apple shoots.

laycock.tea.uniformity

Uniformity trials of tea

Growth of maize plants in Germany during 1875-1878

lee.potatoblight

Repeated measurements of resistance to potato blight

lessman.sorghum.uniformity

Uniformity trial of sorghum

li.millet.uniformity

Uniformity trial of millet

mead.germination

Seed germination with different temperatures/concentrations

nonnecke.peas.uniformity

Uniformity trial of canning peas

nebraska.farmincome

Nebraska farm income in 2007 by county

mead.cowpeamaize

Intercropping experiment of maize/cowpea

mcconway.turnip

RCB experiment of turnips

moore.uniformity

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

khin.rice.uniformity

Uniformity trial of rice

kerr.sugarcane.uniformity

Uniformity trials of sugarcane, 4 fields

montgomery.wheat.uniformity

Uniformity trial of wheat, 2 years on the same land

nagai.strawberry.uniformity

Uniformity trial of strawberry

robinson.peanut.uniformity

Uniformity trial of peanuts

Wheat yields in 7 years with genetic and environment covariates

Multi-environment trial of wheat with environmental covariates

Lattice experiment in soybeans.

Soybean balanced incomplete block experiment

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

nair.turmeric.uniformity

Uniformity trial of turmeric.

lehmann.millet.uniformity

Uniformity trial of millet in India

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 33 barley genotypes in 18 locations

pacheco.soybean

Multi-environment trial of soybean in Brazil.

paez.coffee.uniformity

Uniformity trial of coffee

piepho.cocksfoot

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

ryder.groundnut

RCB experiment of groundut, wet and dry yields

polson.safflower.uniformity

Uniformity trial of safflower

lord.rice.uniformity

Uniformity trial of rice

smith.corn.uniformity

Uniformity trial of corn, 3 years on same ground

smith.beans.uniformity

Uniformity trials of beans, 2 species in 2 years

obsi.potato.uniformity

Uniformity trial of potato in Africa 2001

nonnecke.sweetcorn.uniformity

Uniformity trial of sweet corn

wyatt.multi.uniformity

Uniformity trial of oats and wheat on the same ground.

strickland.grape.uniformity

Uniformity trial of grape

love.cotton.uniformity

Uniformity trial of cotton

Fungus infection in varieties of wheat

panse.cotton.uniformity

Uniformity trial of cotton

parker.orange.uniformity

Uniformity trial of oranges

strickland.peach.uniformity

Uniformity trial of peach

vaneeuwijk.fusarium

Infection of wheat varieties by Fusarium strains from 1990 to 1993

vaneeuwijk.drymatter

Multi-environment trial of maize, dry matter content

sawyer.multi.uniformity

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

patterson.switchback

Switchback experiment on dairy cattle, milk yield for 4 treatments

Apple tree yields for 6 treatments with covariate

Yields of four grasses for a wide range of nitrogen fertilizer

ratkowsky.onions

Onion yields for different densities at two locations

narain.sorghum.uniformity

Uniformity trial of sorghum

Number of cotton bolls for different levels of defoliation.

sinclair.clover

Clover yields in a factorial fertilizer experiment

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

U.S. historical crop yields by state

mead.cauliflower

Leaves for cauliflower plants at different times

sayer.sugarcane.uniformity

Uniformity trial of sugarcane in India, 1933 & 1934.

strickland.apple.uniformity

Uniformity trial in apple

streibig.competition

Competition experiment between barley and sinapis.

snedecor.asparagus

Asparagus yields for different cutting treatments

steptoe.morex.pheno

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

shafi.tomato.uniformity

Uniformity trial of tomato

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

stephens.sorghum.uniformity

Uniformity trial of sorghum silage

vaneeuwijk.nematodes

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

usgs.herbicides

Concentrations of herbicides in streams in the United States

onofri.winterwheat

Multi-environment trial of winter wheat, 7 years

snijders.fusarium

Fusarium infection in wheat varieties

wheatley.carrot

Insecticide treatments for carrot fly larvae

urquhart.feedlot

Weight gain calves in a feedlot

welch.bermudagrass

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

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

pederson.lettuce.repeated

Repeated measurements of lettuce growth

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

rothamsted.brussels

RCB experiment of brussels sprouts, 9 fertilizer treatments

theobald.covariate

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

theobald.barley

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

stickler.sorghum.uniformity

Uniformity trial of sorghum

thompson.cornsoy

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

Corn borer control by application of fungal spores.

Multi-environment trial of barley

stroup.splitplot

Split-plot experiment of simulated data

rothamsted.oats

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

walsh.cottonprice

Acres and price of cotton 1910-1943

wassom.brome.uniformity

Uniformity trials of bromegrass

Multi-environment trial of lupin, multiple varieties and densities

Multi-environment trial of lupin, early generation trial

turner.herbicide

Herbicide control of larkspur

Long-term barley yields at different fertilizer levels

Treatment x environment interaction in agronomy trials

wallace.iowaland

Iowa farmland values by county in 1925

williams.cotton.uniformity

Uniformity trial of cotton

Split-plot experiment of oats

Factorial experiment with missing values

williams.barley.uniformity

Uniformity trial of barley

wiebe.wheat.uniformity

Uniformity trial of wheat

zuidhof.broiler

Daily weight, feed, egg measurements for a broiler chicken

wedderburn.barley

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

Soil nitrogen and carbon in two fields

yan.winterwheat

Multi-environment trial of winter wheat in Ontario

wiedemann.safflower.uniformity

Uniformity trial of safflower

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