This experiment began in 1923. The land uses in the project are:
1923-66 "free" rotation, 50% cereals,50% non-cereals; since 1967 4
year rotation either fodder beet,winter wheat,potatoes,winter wheat ...
This experiment began in 1902 at a Cool Temperate site in Germany.
The parent material of the soil is loess which was deposited during
the Weischel ice age as a 120-150 cm thick layer over calcareous ...
This experiment was initiated in 1965 at a site that has been in
arable use for a very long time. The land use in this experiment
consists of a cropping sequence: Sugar beet, Spring oats, Winter
The Major World Crop Areas and Climatic Profiles presents
climatological data, agricultural statistics, and crop calendar
information for widely ranging crop areas. It serves as a reference
for evaluating ...
"Winter Wheat and Rye Seedlings" is a file that contains data
related to the seeded acreage of the annual winter wheat and rye
crops, and seedings of durum wheat. Data are updated annually.