from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A metric unit of area equal to 100 ares (2.471 acres). See Table at measurement.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A unit of surface area (symbol ha) equal to 100 ares (that is, 10,000 square metres, one hundredth of a square kilometre, or approximately 2.5 acres), used for measuring the areas of geographical features such as land and bodies of water.
from the GNU version of the Collaborative International Dictionary of English
- n. A measure of area, or superficies, containing a hundred ares, or 10,000 square meters, and equivalent to 2.471 acres.
from The Century Dictionary and Cyclopedia
- n. In the metric system, a superficial measure equal to 100 ares, or 10,000 square meters, or 2.4711 acres.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (abbreviated `ha') a unit of surface area equal to 100 ares (or 10,000 square meters)
By the way I understand, probably incorrectly, that the use of hectarea instead of hectare is a Mexican idiosyncracy.
But by using the high-yielding varieties, fertilizing heavily, sowing at the right time, and managing the fields properly, the same farmer can now harvest five tons of wheat and seven tons of rice per hectare from the same land, a total of twelve metric tons of food grain per hectare per year, as contrasted with the two and a half tons which he obtained with the old varieties and methods.
This year, Afghan poppies yielded 56 kg of opium per hectare, which is a 15 percent increase over 2008 and five times more than what opium farmers yield in the Golden Triangle of South-east Asia.
A hectare is a metric unit that serves as the standard measurement of beleaguered rainforest.
At Elandskraal, the Department completed the rehabilitation of infrastructure on 197 hectare, which is farmed by 97 emerging farmers and will feed six surrounding villages.
This is about 2,200 liters per hectare, which is somewhat less than the amount of fuel produced by a hectare of sugarcane.
Its going about 10 bales per hectare, which is really good
In other parts of the world the measurement used is the hectare, which is equal to just under two and a half acres.
These forests support trees up to 80 metres tall and can contain more than 1200 tonnes of carbon per hectare, which is up to 10 times more carbon per hectare than previously realised.
The farmers surveyed used an average of 322 kg of Nitrogen fertiliser per hectare, which is