HA
- noun
- Specialized
- Currently, wetlands are treated with an aqueous solution containing 2.2 kg/ha glyphosate and 1% volume/volume of surfactant.
- hectare (ha)
- kg ha
- million ha
Examples
-
Using approximate 2011 prices, this tank mix would cost about $12/ha plus application costs.
Academic text (2011) -
To observe solar prominences, astronomers often use a filter designed for Ha light.
-
There is an area of more than 20 million ha available for irrigated agriculture in Turkey.
Academic text (2015) -
Today, each family has a total of approximately 2 ha planted in Arabica and Robusta coffee.
Academic text (2017) -
A single hectare (ha) of tropical forest typically contains well over 100 species of trees.
Academic text (2012) -
The negotiations involved purchasing some 30 ha of land from a community for $2,200 per hectare.
Academic text (2017) -
Fuerabamba consists of approximately 500 families and occupies an area of 8,660 ha in the district of Challhuahuacho.
Academic text (2017) -
The western study area is 1,841 ha (4,550 ac) in size and is composed of 87 management units.
Academic text (2017) -
The concession area measures 35,000 ha, with an investment of approximately $4,230 million (Xstrata n.d.a.).
Academic text (2017) -
Therefore, growers must anticipate an average of 950 blackbirds/ha ($95/ha/$0.10/year) of cattails to justify the treatment costs.
Academic text (2011)
Synonyms
A distance along the sky's equator from your north-south line to a star
Surface Forms
Etymology
HA is short for hour and angle, so it means 'hour angle'. Think of it as an angle that moves with the hours on a clock, and that is why astronomers use HA to tell where a star is in the sky.