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Agriculture in Southern Africa was also adversely affected by drought after climate change intensified the effects of 2014–2016 El Niño event. [5]: 724 In Europe, between 1950 and 2019, heat extremes have become more frequent and also more likely to occur consecutively, while cold extremes have declined.
The main academic full-text databases are open archives or link-resolution services, although others operate under different models such as mirroring or hybrid publishers. . Such services typically provide access to full text and full-text search, but also metadata about items for which no full text is availa
Agricultural economics is an applied field of economics concerned with the application of economic theory in optimizing the production and distribution of food and fiber products. Agricultural economics began as a branch of economics that specifically dealt with land usage. It focused on maximizing the crop yield while maintaining a good soil ...
Agronomy – science and technology of producing and using plants for food, fuel, feed, fiber, and reclamation.. Organic gardening – science and art of growing fruits, vegetables, flowers, or ornamental plants by following the essential principles of organic agriculture in soil building and conservation, pest management, and heirloom variety preservation.
The "Postan Thesis" is also cited as a factor in the low productivity of medieval agriculture. Productivity suffered because of inadequate fertilization to keep the land productive. This was due to a shortage of pasture for farm animals and, thus, a shortage of nitrogen-rich manure to fertilize the arable land. Moreover, because of population ...
The following outline is provided as an overview of and topical guide to sustainable agriculture: Sustainable agriculture – applied science that integrates three main goals, environmental health, economic profitability, and social and economic equity. These goals have been defined by various philosophies, policies, and practices, from the ...
The amount of greenhouse gas emissions from agriculture is significant: The agriculture, forestry and land use sectors contribute between 13% and 21% of global greenhouse gas emissions. [2] Emissions come from direct greenhouse gas emissions (for example from rice production and livestock farming). [ 3 ]
In the United States, the Morrill Act of 1862 (also known as the Land Grant Act) had a large influence on the rise of agricultural education and the spread of the bachelor's degree in agriculture. By the early part of the 20th century, all the agriculturally important states had at least one college or university awarding the bachelor's degree ...