Page 266 - Nien giam 2018

Annual planted area is recorded when the plant starts its growing
process for each cropping season. In case that in the same area where
crops are replanted many times due to being dead, the area is also
recorded once time.

The area of perennial crop is the area of agricultural crops
growing from the planting time to the first time of harvesting for one
year and over and harvests products for many years, including industrial

crops (tea, coffee, rubber, etc.), fruit trees (oranges, lemons, longans,
etc.), medical plants (cinnamon, beans, etc.).

Current area of perennial crops only recorded for the area of crops
that are still alive at the time of observation, including the area of
concentrated cultivation and the area converted from area of scattered
trees having products to the concentrated area.

Production of agricultural crops is the total volume of the main
product of a certain agricultural crop or group of agricultural crops
obtained in a cropping season or in a year of an agricultural production

unit or a region/ geographical area.
Production of each type of agricultural crops is determined by the

form of the product. For products such as rice, maize, green beans,
soybeans, etc. are recorded in the form of dry grain; sweet potatoes,
potatoes, cassava are recorded in form of fresh bulbs; tea in form of
fresh buds, coffee in form of dry kernel, rubber in form of dried latex,
fruits in form of fresh fruits, etc.

Yield of agricultural crops refers to the main product per one area
unit of a certain agricultural crop or group of agricultural crops actually
harvested in a production season or in a year on average planted area.

 For annual crops:

Harvested production
Planted yield =
Planted area

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