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Journal ranking is widely used in academic circles in the evaluation of an academic journal 's impact and quality. Journal rankings are intended to reflect the place of a journal within its field, the relative difficulty of being published in that journal, and the prestige associated with it.
The SJR indicator is a free journal metric inspired by, and using an algorithm similar to, PageRank. The SJR indicator computation is carried out using an iterative algorithm that distributes prestige values among the journals until a steady-state solution is reached. The SJR algorithm begins by setting an identical amount of prestige to each ...
Oryza sativa subsp. japonica Shig.Kato. Oryza segetalis Russell ex Steud. Oryza sativa, having the common name Asian cultivated rice [2], is the much more common of the two rice species cultivated as a cereal, the other species being O. glaberrima, African rice. It was first domesticated in the Yangtze River basin in China 13,500 to 8,200 years ...
Oryza glaberrima, commonly known as African rice, is one of the two domesticated rice species. [1] It was first domesticated and grown in West Africa around 3,000 years ago. [ 2 ] [ 3 ] In agriculture, it has largely been replaced by higher-yielding Asian rice ( O. sativa ), [ 2 ] and the number of varieties grown is declining. [ 1 ]
Online archive. Proceedings of the National Academy of Sciences of the United States of America (often abbreviated PNAS or PNAS USA) is a peer-reviewed multidisciplinary scientific journal. It is the official journal of the National Academy of Sciences, published since 1915, and publishes original research, scientific reviews, commentaries, and ...
Journal Citation Reports (JCR) is an annual publication by Clarivate. [1] It has been integrated with the Web of Science and is accessed from the Web of Science Core Collection. It provides information about academic journals in the natural and social sciences, including impact factors. JCR was originally published as a part of the Science ...
Rice grains of different varieties at the International Rice Research Institute. Rice is a cereal grain and in its domesticated form is the staple food of over half of the world's population, particularly in Asia and Africa. Rice is the seed of the grass species Oryza sativa (Asian rice)—or, much less commonly, Oryza glaberrima (African rice).
Oryza rufipogon is a species of flowering plant in the family Poaceae. [2][3] It is known as brownbeard rice, [4] wild rice, [5] and red rice. [5] In 1965, Oryza nivara was separated off from O. rufipogon. The separation has been questioned, [6] and some sources consider O. nivara to be a synonym of O. rufipogon. [7]