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agridat (version 1.8.1)

Agricultural datasets

Description

Datasets from books and papers related to agriculture. Example analyses included.

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Install

install.packages('agridat')

Monthly Downloads

4,534

Version

1.8.1

License

GPL-2

Maintainer

Kevin Wright

Last Published

June 21st, 2014

Functions in agridat (1.8.1)

agridat

Datasets from agricultural experiments

gilmour.serpentine

Wheat yield in South Australia with serpentine row/col effects

harris.wateruse

Water use by horticultural trees

gomez.fractionalfactorial

Rice fractional factorial experiment

mcconway.turnip

Yields of turnips grown for winter fodder

mead.cowpeamaize

Maize/Cowpea Intercropping experiment

adugna.sorghum

Sorghum yields at 3 locations across 5 years

blackman.wheat

Yield for conventional and semi-dwarf wheat varieties

vsn.lupin3

Early generation lupin trial with 3 sites

immer.sugarbeet.uniformity

Uniformity study of sugarbeets with measurements of yield, sugar, purity

hildebrand.systems

Maize yields for four cropping systems

gomez.seedrate

Rice yield at six different densities

ryder.groundnut

Wet and dry groundnut yields

bridges.cucumber

Cucumber yields in Latin Square design.

williams.cotton.uniformity

Lint yield from a cotton uniformity trial

broadbalk.wheat

Long term wheat yields on Broadbalk fields at Rothamsted.

li.millet.uniformity

Uniformity trial of 600 millet plots.

durban.competition

Sugar beet yields with competition effects

corsten.interaction

Corn yield in multi-environment trial

carmer.density

Maize yield-density model

denis.missing

Multi-environment trial with structured missing values

gilmour.slatehall

Slate Hall Farm 1978

besag.met

Multi-environment trial of corn laid out in incomplete-blocks

student.barley

Barley yield of two varieties in a multi-environment trial

steel.soybeanmet

Soybean yields in North Carolina

durban.rowcol

Row column design of a spring barley trial with many varieties

cochran.bib

Balanced incomplete block design in corn

bond.diallel

Diallel cross of winter beans

cochran.wireworms

Wireworms controlled by fumigants in a latin square

federer.diagcheck

Wheat experiment with diagonal checks

kempton.barley.uniformity

Uniformity trial of Spring Barley in 1978

digby.jointregression

Multi-environment trial illustrating joint regression

garber.multi.uniformity

Uniformity trials of oat hay and wheat

cleveland.soil

Soil resistivity in a field

crossa.wheat

Wheat yields for 18 genotypes at 25 locations

mead.germination

Seed germination with different temperatures/concentrations

minnesota.barley.weather

Monthly weather at 6 sites in Minnesota 1927-1936.

beall.borers

Corn borer infestation under four treatments

archbold.apple

Split-split plot experiment on apple trees

salmon.bunt

Fungus infection in varieties of wheat

henderson.milkfat

Milk fat yields for a single cow

snedecor.asparagus

Asparagus yields for different cutting treatments

federer.tobacco

Height of Tobacco plants exposed to radiation

graybill.heteroskedastic

Wheat varieties with heteroskedastic yields

durban.splitplot

Split-plot barley variety trial with fungicide treatments

nass.corn

U.S. historical crop yields by state

johnson.blight

Potato blight due to weather in Prosser, Washington

pearce.apple

Apple tree yields for 6 treatments with covariate

allcroft.lodging

Lodging data from a multi-environment trial cereal crop

diggle.cow

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

lyon.potato.uniformity

Uniformity trial of potatoes

desplot

Plot the layout/data of a field experiment

stroup.nin

Nebraska Intrastate Nursery field experiment

hayman.tobacco

Full diallel cross of tobacco

waynick.soil

Soil nitrogen and carbon in two fields

gomez.stripsplitplot

Rice strip-split-plot experiment

hessling.argentina

Relation between wheat yield and weather in Argentina

williams.trees

Height / Survival of 37 tree species at six sites in Thailand

kempton.slatehall

Slate Hall Farm 1976 spring wheat

stephens.sorghum.uniformity

Uniformity trial of sorghum silage

senshu.rice

Response of rice to solar radiation and temperature

besag.elbatan

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

kempton.competition

Sugar beet trial with competition effects

baker.barley.uniformity

Ten years of barley uniformity trials on same ground

john.alpha

Alpha lattice design of spring oats

ortiz.tomato

Tomato weight/yield and environmental covariates in Latin America

gotway.hessianfly

Hessian fly damage to wheat varities

lambert.soiltemp

Average monthly soil temperature near Zurich

pearl.kernels

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

mead.strawberry

Strawberry yields in RCB experiment

gomez.stripplot

Rice strip-plot experiment

zuidhof.broiler

Daily weight, feed, egg measurements for a broiler

vargas.wheat1

Durum wheat yields in 7 years with genetic and environment covariates

box.cork

Weight of cork samples on four sides of trees

byers.apple

Diameters of apples

gomez.nitrogen

Soil nitrogen at three times for eight fertilizer treatments

minnesota.barley.yield

Yields of barley at 6 sites in Minnesota 1927-1936.

kempton.rowcol

Wheat row-column experiment

lavoranti.eucalyptus

Height of Eucalyptus trees in southern Brazil

hanks.sprinkler

Wheat yields in a line-source sprinkler experiment

vargas.wheat2

Wheat yields for a multi-environment trial and environmental covariates

cochran.crd

Potato scab infection with sulfur treatments

caribbean.maize

Maize fertilization trial on Antigua and St. Vincent

cox.stripsplit

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

fan.stability

Maize hybrids grown in China

pacheco.soybean

Soybean yields in Brazil.

batchelor.uniformity

Uniformity trials of fruit tree yields.

australia.soybean

Australia soybeans

shafii.rapeseed

Rapeseed yield multi-environment trial, 3 years

goulden.barley.uniformity

Barley uniformity trial

thompson.cornsoy

Corn & Soybean Yields, 1930-1962, with temperature and precipitation

hernandez.nitrogen

Corn response to nitrogen fertilizer at 5 sites.

theobald.covariate

Silage yields for Year * Loc * Variety with covariate

aastveit.barley

Barley heights and environmental covariates in Norway

wedderburn.barley

Percent of barley leaves affected by leaf blotch

jenkyn.mildew

Yields from treatment for mildew control

wiebe.wheat.uniformity

Uniformity trial of wheat

williams.barley.uniformity

Yield from a barley uniformity trial

ars.earlywhitecorn96

Early White Food Corn Performance Tests

cochran.latin

Latin square design

crowder.seeds

Germination of Orobanche seeds from Crowder (1978)

denis.ryegrass

Plant strength of perennial ryegrass in France

gomez.groupsplit

Rice group balanced split-plot design

streibig.competition

Competition experiment between barley and sinapis.

holshouser.splitstrip

Split strip plot on soybeans

hughes.grapes

Disease incidence on grape leaves in RCB experiment

yan.winterwheat

Multi-environment trial of Winter Wheat in Ontario

gathmann.bt

Impact of Bt Corn on non-target species

ratkowsky.onions

Onion yields for different densities at two locations

gomez.splitsplit

Rice split-split plot experiment

RedGrayBlue

Function to create a Red-Gray-Blue palette

smith.corn.uniformity

Uniformity trial of corn in three consecutive years

odland.soybean.uniformity

Uniformity trials of soy hay and soybeans.

cate.potassium

Relative cotton yield for different soil potassium concentrations

besag.bayesian

Spring barley in United Kingdom

darwin.maize

Darwin's maize data of crossed/inbred plant heights

gauch.soy

New York soybean yields, 1977 to 1988

gomez.multilocsplitplot

Rice multilocation Split-Plot

ilri.sheep

Birth weight and weaning weight of Dorper x Red Maasi lambs

ivins.herbs

Percent ground cover of herbage species and nettles.

mercer.wheat.uniformity

Mercer and Hall's uniformity trial of wheat in 1910

talbot.potato

Potato yields and trait scores at 12 UK locations

yates.missing

Factorial experiment with missing values

stroup.splitplot

Simulated split-plot experiment

engelstad.nitro

Corn yield response to nitrogen fertilizer

lyons.wheat

Yield of winter wheat at 12 sites in 4 years.

brandle.rape

Three-way table of rape seed yields

yates.oats

Yield of oats in a split-block experiment

harris.multi.uniformity

Multi-year uniformity trials with different crops at Huntley

panel.outlinelevelplot

Panel Function for desplot

rothamsted.brussels

Yield of brussels sprouts, RCB with 9 fertilizer treatments

nebraska.farmincome

Nebraska farm income in 2007 by county

gomez.rice.uniformity

Rice uniformity yield test

verbyla.lupin

Lupin yields for different varieties and locations, at many densities

eden.potato

Potato yields in response to potash and nitrogen fertilizer

cochran.eelworms

Counts of eelworms before and after fumigant treatments