Gross domestic product of countries in the world

Crop farming

Crop agriculture is the cultivation of plants for food, foodstuffs of animal origin or other commercial uses. They can be used several methods to manage crops. It involves long hours and tough working conditions, coupled with the unpredictable benefits from one year to another. People can enter elctor through a family business, through training on a farm with experienced farmers, or attending college for a degree in agriculture or a related subject.

Agriculture as a system

Agriculture has concepts such as labor supply, marketing, finance, natural resources, genetic heritage, nutrition, equipment and hazards. Each mechanism can be manipulated individually agriculture, and can be obtained by treatment of the growing operation as a system improvements. Treatment of production operations holistically provides greater flexibility in managing provides environmentally and economically sound practices, and make healthier and safer for workers and for livestock or crop conditions.

Importance of water

Water is necessary for life, and that living things use it for different actions performed within us. But it is also used for energy, thanks to hydroelectric plants; for heating systems for irrigation systems for cooking or for most daily activities.

Oil: For and Against

FOR:

- Is very versatile: it is a very versatile material from which countless items such as plastics, gasoline is extracted, etc.

- Petroleum products: almost all petroleum are used to meet the energy needs of the world.

- Synthetic fertilizers: a high percentage of synthetic fertilizers come from oil.

AGAINST:

- Ecological risk: oil extraction involves a great ecological and environmental risk.

- Acid rain: Acid rain associated with burning oil for the production of nitrogen oxides is generated.

- Safe storage: it is necessary to use a safe for storage of oil in destination space.

- Global warming: the transformation for use causes significant greenhouse effect and global warming increases.

- Pollution: unlike what happens with other types of energy use oil can cause high contamination due to the large amount of CO2 emitted into the atmosphere by burning fossil fuels

- Exhaustible energy source: unlike renewables about oil is a source of energy that will be exhausted within a few years.

- Transforming raw material: to use oil needs to pass a process of distillation prior to use.

- Highest Price: their preparation is very expensive compared to other types of energy such as renewable energy.

Bar chart of income per capita of the countries E.U.

Primary economic activity word map

Physical factors affecting farming

The farming system

Types of farming

Physical and political map of America

Physical and political map of Asia