cropyield: Yield from Danish agricultural production of grain and root...

cropyieldR Documentation

Yield from Danish agricultural production of grain and root crop.

Description

Yield from Danish agricultural production of grain and root crop.

Usage

cropyield

Format

A dataframe with 97 rows and 7 columns.

year

From 1901 to 1997.

precip

Milimeter precipitation.

yield

Million feed units (see details).

area

Area in 1000 ha for grains and root crop.

fertil

1000 tons fertilizer.

avgtmp1

Average temperature April-June (3 months).

avgtmp2

Average temperature July-Octobre (4 months).

Details

A feed unit is the amount of energy in a kg of barley.

References

Danmarks statistik (Statistics Denmark).


hojsgaard/doBy documentation built on April 24, 2024, 4:10 a.m.