AGRICULTURE AND ECONOMIC DEVELOPMENT

The most basic contribution of agriculture to economy is, the supply of foodstuff to the populance, and the provision of employment and the means of livelihood. But beyond these, agriculture also provides raw materials for industry and contributes to the improvement of the nation's foreign exchange through export as well as savings in import.
The issue that people must address themselves, is the role agriculture should play in relation to the other sectors of the economy. In developing agriculture, a nation has several options to follow. It may stress the role of agriculture as an important instrument for sustaining expansion in the non agricultural sector of the economy. A nation can stress agricultural development because it can yield huge sum of money in foreign exchange or because it can absorb abundant cheap labour. Therefore, any country that wants to use agriculture to develop its economy must understand these options before setting up strategies for implementing agricultural policies. Development economist now seem to agree that there are no inherent advantages of manufacturing over agriculture or for that matter, of agriculture over manufacturing. Decisions on the balance of in any development situation should be based on rational grounds in the light of considerations of cost and comparative returns from alternative allocation of national material and human resources. But such decisions should not be based on maxims or arbitrary dogmas and prejudices.

Farmers face certain problems in their march towards self sufficiency in agricultural production. Some farmers are frustrated by the lack of storage facilities for most of their perishable products. Also, they have to put up with inadequate market outlet,or else farmee can be assured of adequate benefits from their labour in the form of enhanced incomes, they will be much discouraged and their efforts towards higher productivity will seem pointless. These problems appear to have come to a head with the recent death of the ineffective commodity boards.

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Rock Formation

A rock may be defined as a hard compact mass made up of cluster of primary or secondary minerals. The primary minerals are those that are as they were made in nature. Some of them are Quartz, Olivine, Pyroxene, Hornblende, Biotite, Muscovite and feldspar. On the other hand, secondary minerals consists of particles worn out from original minerals which have combined with other elements. They exist in form of: (i) Oxide such as those of magnesium, Iron and Aluminum. (ii) Sulphates and carbonates of Iron, Magnesium and Calcium. (iii) Clay minerals such as the silicate clays and the hydrous Oxide. TYPES OF ROCKS (i) Igneous rock (ii) sedimentary rock (iii) Metamorphic rock. Based on their chemical composition, we have basic and acidic rocks. Granite is a very good example of an acid rock. PROCESSES OF ROCK FORMATION IGNEOUS ROCK :This is formed through the process of cooling and hardening of the molten magma. This molten magna is confined deep down below the earth crust und...

TEACHING AND PEACE CORPS

Teaching today is hard work. The old demands that one knows his subject and master the art of teaching are increased by the need to prepare students for a world that is constantly changing, and in ways that were unfamiliar and complicated. We now inhabit what we should call spaceship earth, and the instructor's book didn't come with it. But it is not true that the demands of our own technological world represent the only or even the most difficult challenge to the teacher. Beyond the technological world, there is a world not constantly changing, in fact, where change has not come fast enough, and when change alone can bring partnership in the 20th century. To the developing world, the peace corps teacher is asked to bring skills and knowledge. He is also asked to bring understanding, which respects the beauty of that world's religious beliefs and customs. The peace corps teacher must guide and, at the same time, respect the student's uniquene...

HERNIA

Hernia occurs in an individual when part of the intestine pushes through the wall of the abdomen and appears as a bulge at the site. There are many sites where hernia can occur, although the commonly encountered type is that found in the groin. This type of hernia is known as femoral or inguinal hernia. Hernia may occur on the navel or near it. The hernia which occurs on the navel is called umbilical hernia, while that which occurs close to it is known as paraumbilical hernia. These two types of hernia are less common than the femoral type. Groin hernia occurs more commonly in males, but can also occur in females in a few cases. In this kind of hernia, there is a weakness in the abdominal wall in the groin region about midway across the groin. It may appear on either side or, sometimes on both sides. A good sign is that swelling increases, initially it can be pushed back manually into the body. Later on, it gets bigger still and lies almost permanently outside the body, especi...

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