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| Indicator
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Explanation
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| Gross Output Value of Farming, Forestry, Animal
Husbandry and Fishery
| refers to the total value of products
of farming, forestry, animal husbandry and fishery,
which reflects the total scale and result of agricultural
production during a given period. Gross output value
of agriculture is obtained by first multiplying the
output of each product or by product by its price, resulting
in the output value of each single item. For a small
number of products, annual output of which is not available
or difficult to get due to the long production growing
process involved, the output value is estimated through
an indirect approach. The sum of output value of all
products of farming, forestry, animal husbandry, and
fishery is then equal to the gross output value of agriculture.
Prior to 1957, Chinas gross agricultural output value
included barnyard manure and handicraft products for
self consumption (clothes, shoes, stockings, and initial
grain processing undertaken by peasants). Since 1958,
cutting and felling of bamboo and trees by villages
and other cooperative organizations under villages have
been included in forestry; value of barnyard manure
has been excluded from animal husbandry; self consumed
handicrafts has been excluded from sideline occupations,
while the output value of industries run by villages
and cooperative organizations under village had been
included in sideline occupations and the output value
of fish catches by motor fishing boats has been added
to fishery. Since 1980, the value of handicraft products
made for sale by individuals in households had been
added to sideline occupations. Since 1984, industries
run by villages and under villages have been included
in the sector of industry. Since 1993, the subdivision
of sideline occupations has been canceled, and the hunting
of wild animals has been classified into animal husbandry,
and the gathering of wild plants and commodity industry
run by rural household have been included in farming.
The first agriculture census of China in 1996 revealed
some discrepancy between the production of animal products
from the annual reports and that from the census. Efforts
were made by the Rural Socio-economic Survey Organization
of NBS to adjust the output value of animal husbandry
to make the figures from the annual reports consistent
with the census data.
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| Grain Yield
| refers to the yield in the whole country
including grains produced by state farms, collective
units, industrial enterprises and mines. Grain includes
rice, wheat, corn, sorghum, millet and other miscellaneous
grains as well as tubers and beans. Output of beans
refers to dry beans without pods. The output of tubers
(sweet potatoes and potatoes, not including taros and
cassava) was converted into that of grain at the ratio
4:1, i.e. 4 kilograms of fresh tubers was equivalent
to 1 kilogram of grain up to 1963. Since 1964 the ratio
for conversion has been 5:1. Tubers supplied as vegetables
(such as potatoes) in cities and suburbs are calculated
as fresh vegetables and their output is not included
in the output of grain. Output of all other grains refers
to husked grain.
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| Yield of Oil-bearing Crops
| refers to the total yield of oil bearing
crops of various kinds, including peanuts, (dry, in
shell) rapeseeds, sesame, sunflower seeds, flax seeds,
and other oil bearing crops. Soybeans, oil-bearing woody
plants, and wild oil-bearing crops are not included.
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| Output of Aquatic Products
| refers to catches of both artificially
cultured and naturally grown aquatic products, including
fish, shrimps, crabs and shellfish in sea and inland
water as well as seaweed. Freshwater plants are not
included.
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| Output of Pork, Beef, and Mutton
| refers to the meat of slaughtered hogs,
cattle, sheep and goats with head, feet, and offal taken
away.
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| Number of Livestock or Poultry in Stock at Beginning
(or End)
| refers to the total number of large animals,
pigs, sheep, fowls, etc. raised by rural cooperative
organizations, state farms, rural individuals, government
agencies, schools, industrial and mining enterprises,
army, and urban residents at the beginning (or end)
of the reference period.
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| Cultivated Area (Area under cultivation)
| refers to farmland which is plowed constantly
for growing crops, including cultivated land, newly
cultivated land in the current year, farmland left without
cultivation for less than three years and fallow land
in the current year, rotation land, rotation land of
grass and crops, farmland with some fruit trees, mulberry
trees and other trees and cultivated seashore land,
lake land, and etc. The land of mulberry fields, tea
plantations, orchards, nurseries of young plants, forest
land, reed land, natural and man-made grassland and
other land are not included in cultivated land. Ditches,
roads and ridges between cultivated fields that are
less than 1 meter in width in the south or less than
2 meters in width in the north are included in the cultivated
land.
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| Sown Area of Crops
| refers to area of land sown or transplanted
with crops regardless of being in cultivated area or
non cultivated area. Area of land re-sown due to natural
disasters is also included.
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| Irrigated Area
| refers to areas that are effectively irrigated,
i.e. level land which has water source and complete
sets of irrigation facilities to lift and move adequate
water for irrigation purpose under normal conditions.
Under normal conditions, irrigated area is the sum of
watered fields and irrigated fields where irrigation
systems or equipment have been installed for regular
irrigation purpose.
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| Consumption of Chemical Fertilizers in Agriculture
| refers to the quantity of chemical fertilizers
applied in agriculture in the year, including nitrogenous
fertilizer, phosphate fertilizer, potash fertilizer,
and compound fertilizer. The consumption of chemical
fertilizers is required in calculation to convert the
gross weight into weight containing 100% effective component
(e.g. 100% nitrogen content in nitrogenous fertilizer,
100% phosphorous pentoxide contents in phosphate fertilizer,
100% potassium oxide contents in potash fertilizer).
Compound fertilizer is converted with its major component.
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| Total Power of Farm Machinery
| refers to total mechanical power of machinery
used in farming, forestry, animal husbandry, and fishery,
including ploughing, irrigation and drainage, harvesting,
transport, plant protection, stock breeding, forestry
and fishery. The power of internal combustion engines
is required to convert horsepower into watts and the
power of electric motors is required to be converted
into watts. Machinery employed for non agricultural
purposes, such as the machines used in township run
and village-run industry, construction, non agricultural
transport, scientific experiments and teaching, is excluded.
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| Labour Force Engaged in Farming, Forestry,
Animal Husbandry and Fishery
| refers to the total laborers who are directly
engaged in production of farming, forestry, animal husbandry
and fishery.
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