Sentence examples for spread of crops from inspiring English sources

Maldonado railed against the spread of crops such as maize, coffee and cardamon for export, the use of genetically modified organisms (GMOs), and the loss of biodiversity.

The consequence was the rapid geographical spread of crops, with wheat and barley moving east and west from the Middle East across the whole of Eurasia within only 5,000 years.

Even if, genetically, the Panicum millets of South Asia prove on the whole to have a larger genetic input from a distinct west/central Asian Panicum domestication, there was still some genetic input from Chinese millets (see Hunt et al. 2011), and the spread of crops into northwestern South Asia was clearly important just after 4,000 years ago.

For instance, between (groups of) islands, the spread of crops may have taken place in less predictable ways.

Natural selection by dynamic environmental conditions occurred continuously, facilitating the global spread of crops from their centers of origin (Harlan 1992).

The spread of crop production into drier lands can however hinder the mobility of pastoralists and also increase the conflicts between herders, farmers and wildlife.

As the introduction of intensive technologies expands around the world and leads to the disruption of the ecological balance in croplands and the spread of crop diseases which previously had no special significance, this study becomes more urgent.

In the UK, varieties are chosen to give a spread of cropping seasons.

Several model studies have addressed which factors are most important to the spread of crop alleles after a hybridization event.

The interaction between selection and gene flow is a basic field of research (Räsänen and Hendry 2008) as well as a key issue when investigating the spread of crop alleles into wild populations (Chapman and Burke 2006).

Research on such topics as distribution, survival, relative virulence of the different taxa as well as the source and spread of crop contamination over several generations can now be undertaken with greater confidence.