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Crops and man

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The article was published on 1975-01-01 and is currently open access. It has received 1120 citations till now. The article focuses on the topics: Domestication & Germplasm.

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Journal ArticleDOI

Farmer management of production risk on degraded lands: the role of wheat variety diversity in the Tigray region, Ethiopia

TL;DR: In this paper, the effects of wheat genetic diversity and land degradation on risk and agricultural productivity in less favored production environments of a developing agricultural economy were investigated using a household survey conducted in the highlands of Ethiopia.
Journal ArticleDOI

1492 and the loss of Amazonian crop genetic resources. II. Crop biogeography at contact

Charles R. Clement
- 01 Apr 1999 - 
TL;DR: The relationship between probable indigenous human population density and resultant agricultural intensification and crop diversity is used to propose the existence of a mosaic of crop genetic resource concentrations in Amazonia at contact, including two centers of diversity, four outlying minor centers, and five regions of diversity.
Book ChapterDOI

Genetic Diversity for Wheat Improvement as a Conduit to Food Security

TL;DR: Major facets of intergeneric hybridization embracing a taxonomic consideration of genetic diversity within the Triticeae are presented, the exploitation protocols, prebreeding strategies, and some of the outputs from distant hybridization with a major focus on wheat/alien chromosomal exchanges classed as “translocations” such as T1BL.1RS and to a lesser degree the T1AL.
Journal ArticleDOI

Inequality does Cause Underdevelopment: New evidence

TL;DR: The authors found that high inequality is a large and statistically significant barrier to developing the mechanisms by which prosperity is achieved, such as institutions, redistributive policies, and schooling, by which the literature has argued that a higher middle class share raises per capita income.
Journal ArticleDOI

Origin and domestication of Lactuca sativa L.

TL;DR: The domestication of lettuce, Lactuca sativa L. is described on the basis of literature study and a historical survey is made of the distribution of the groups of L lactuca cultivars over the world.