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Arable density (m² per capita) by country. This is a list of countries ordered by physiological density."Arable land" is defined by the UN's Food and Agriculture Organization, the source of "Arable land (hectares per person)" as land under temporary crops (double-cropped areas are counted once), temporary meadows for mowing or for pasture, land under market or kitchen gardens, and land ...
The population density of the United States is lower than that of many other countries because of the United States' large land area. There are large, sparsely populated areas in parts of the US, like the east-to-west stretch extending from the outskirts of Seattle all the way to Minneapolis , or the north-to-south portion from northern Montana ...
Agricultural waste is used as a raw material for sustainable paper and board by the company PaperWise. The stalks and leaves that remain after harvesting are processed into raw material for paper and board. With PaperWise, the cellulose needed for paper is extracted from agricultural waste. This replaces the proportion of cellulose fibres from ...
Population density is the number of people per unit of area, usually transcribed as "per square kilometre" or square mile, and which may include or exclude, for example, areas of water or glaciers. Commonly this is calculated for a county , city , country , another territory or the entire world .
Land degradation reduces agricultural productivity, leads to biodiversity loss, and can reduce food security as well as water security. [3] [1] It was estimated in 2007 that up to 40% of the world's agricultural land is seriously degraded, [4] with the United Nations estimating that the global economy could lose $23 trillion by 2050 through ...
A farm that can "produce perpetually", yet has negative effects on environmental quality elsewhere is not sustainable agriculture. An example of a case in which a global view may be warranted is the application of fertilizer or manure, which can improve the productivity of a farm but can pollute nearby rivers and coastal waters (eutrophication ...
As late as the 1930s, agriculture still provided 22% of GDP and employed 60% of the labor force. As the petrochemical industry expanded rapidly in the 1970s and 1980s, however, the proportion of the labor force in agriculture dropped from one-fifth to about one-tenth. By 1988 agriculture contributed only 5.9% of GDP, employed 13% of the labor ...
However, the exact proportion of total water usage for agriculture varies widely between 'wet' and 'dry' years. In wet years, agriculture is responsible for closer to 30% of total water consumption and in dry years closer to 60%. [2] Water for agriculture is used to irrigate more than 9 million acres (36,000 square kilometres) of cropland annually.
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