Agriculture and economic development

Agriculture and economic development: As a country develops economically, the relative importance of agriculture declines.The primary reason for this was shown by the 19th-century German statistician Ernst Engel, who discovered that as incomes increase the proportion of income spent on food declines. For example, if a family’s income were to increase by 100 percent, the amount it would spend on food might increase by 60 percent; if formerly its expenditures on food had been 50 percent of its budget, after the increase they would amount to only 40 percent of its budget. It follows from this that, as incomes increase, a smaller fraction of the total resources of society is required to produce the amount of food demanded by the population.

. Agasias flourished in the 1st century BC in  Ephesus [now in Turkey] . He was a sculptor of Ephesus, known for his “Borghese Warrior,” a statue of … And just see this  The Adelphi University is a private, co-educational Institution…Louis Agassiz was born on  May 28th, 1807 at Motier, Switzerland and died on  December 14th, 1873 in….. In 1846 Louis  Agassiz visited the United States for the general purpose of studying natural history and geology there but … Adelaer was born on December 16th 1622, in Brevik, Norway and died on November 5th, 1675, in Copenhagen, Denmark … The Adelaide River is a river in north-western Northern Territory, Australia, rising in the hills west of Brock’s …  Saint Adelaide was born in the year 931 and died on feast day December 16th 999 in Seltz, Alsace …  Adelantado (Spanish: “one who goes before”), is representative of the kings of Castile (Spain) who in the early European …. Adelard Of Bath flourished in the 12th century AD. He was an English Scholastic philosopher and early interpreter of Arabic scientific knowledge … The Adélie Coast, also called Adélie Land, is part of the coast of Wilkes Land in eastern Antarctica, extending from Claire Coast   …..  Adamsite is, in chemical warfare, a sneeze gas developed by the United States and used during World War I. Adamsite is an arsenical … George Ade was born on February 9th 1866 in Kentland, Indiana, U.S.A. and died on May 16th, 1944, in Brook, Indiana ….  Adela was born, it is thought, around the year 1062 and died in 1137 …..  Because  Louis Agassiz was beyond question one of the ablest, wisest, and best informed of the biologists …  Alexander Agassiz was born on December 17th, 1835 at  Neuchâtel in Switzerland. He died on March 27th, 1910, at sea ….  Elizabeth Cabot Agassiz was born on December 5th, 1822 in Boston, Massachusetts, U.S.A. She died on June 27th, 1907 at Arlington Heights ….  Lake Agassiz is the largest of the ice-marginal lakes that once covered what are now parts of Manitoba, Ontario, and Saskatchewan in Canada ….  The Agate Fossil Beds National Monument is a natural “depository” of an extinct animal community on the Niobrara River in north-western Nebraska …..   Agateware, in pottery, is 18th-century ware of vari-coloured clay, with an overall marbled effect. It was sometimes called solid agate to distinguish … James Agate was born on September 9th, 1877 T  Pendleton in Lancashire, England. He died on June 6th, 1947 in London. He was ….…

Agricultural economics

Agricultural economics is the study of the allocation, distribution,and utilization of the resources used, along with the commodities produced, by farming. Agricultural economics plays a role in the economics of development, for a continuous level of farm surplus is one of the wellsprings of technological and commercial growth.

Agriculture is the source of livelihood for more than half of the world’s population. In some countries more than four-fifths of the inhabitants support themselves by farming, while in the more industrialized countries the proportion ranges much lower—to less than 3 percent in both the United States and Great Britain. In general one can say that, when a large fraction of a nation’s population depends on agriculture for its livelihood, average incomes are low. This does not mean that a nation is poor because most of its population is engaged in agriculture; it is closer to the truth to say that because a country is poor most of its people must rely upon agriculture for a living.

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An Acacia

An acacia is any of about 800 species of trees and shrubs comprising a genus (Acacia) in the mimosa family (Mimosaceae) and native to tropical and subtropical regions of the world, particularly Australia (there called wattles) and Africa. Acacias’ distinctive leaves take the form of small, finely divided leaflets that give the leaf stalk a feathery or fern-like (i.e., pinnate) appearance. In many Australian and Pacific species, the leaflets are suppressed or absent altogether, and the leaf stalks (petioles) are flattened and perform the physiological functions of leaves. The leaf stalks may be vertically arranged and bear thorns or sharp spines at their base. Acacias are also distinguished by their small, often fragrant flowers, which are arranged in compact globular or cylindrical clusters. The flowers are usually yellow but occasionally white and have many stamens apiece, giving each one a fuzzy appearance.

About 600 species are native to Australia and various Pacific Ocean islands, with the rest native to either Africa or the Americas. Acacias are especially numerous on the plains of southern and eastern Africa, where they are well-known landmarks on the veld and savanna.

Several acacia species are important economically. A. senegal, native to the Sudan region in Africa, yields true gum arabic, a substance used in adhesives, pharmaceuticals, inks, confections,and other products. The bark of most acacias is rich in tannin, which is used in tanning and in dyes, inks, pharmaceuticals, and other products. The babul tree (A. arabica), of tropical Africa and across Asia, yields both an inferior type of gum arabic and a tannin that is extensively used in India. Several Australian acacias are valuable sources of tannin, among them the golden wattle (A. pycnantha), the green wattle (A. decurrens), and the silver wattle (A. dealbata).

A few acacias produce valuable timber, among them the Australian blackwood (A. melanoxylon); the yarran (A. ho malophylla), also of Australia; and A. koa of Hawaii. Sweet acacia (A. farnesiana) is native to the southwestern United States. Many of the Australian species have been widely introduced elsewhere as cultivated small trees valued for their spectacular floral displays.

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