By 1921, cultivated land had shrunk to 62% of the pre-war area, and the harvest yield was only about 37% of normal.
The harvest yield is from 230 to 900 kg/ha.
Some rural areas in 1901 recorded five times the harvest yields of the 1890s, at a small fraction of the cost.
The grapes are limited to a harvest yield of 12 tonnes/ha and the wine must attain at least 11.5% alcohol level.
The grapes are limited to a harvest yields of 12 tonnes/ha.
The grapes are limited to a harvest yield of 15 tonnes/ha.
In the course of the 18th century, it was found that not everyone could be fed by the local harvest yields, and there began extensive emigration.
Our message contained the announcement that we could not dispense any harvest 'yield' because we had no cargo on board.
Grapes are limited to a harvest yield of 12 tonnes/ha.
Grapes are limited to a harvest yield of 14 tonnes/ha with the finished wine required to have at least 12% alcohol.
