improved variety

Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0
However, introducing the improved varieties of horsegram into the farming system has many potential benefits including improved human nutrition.
Those authors did note, however, the effect of education on the proportion of improved varieties grown and that the proportion seemed to drop over time.
Genetic erosion, however, does not occur solely because of direct competition between traditional and improved varieties of the same species.
To reduce soil erosion, the establishment of early ground cover is highly desirable, showing the importance of rapid canopy growth in improved varieties.
This technology essentially comprises seed of improved varieties and fertilizers.
Over half of the national average wheat output of 4 million tonnes is attributed to irrigation combined with improved varieties.
Most likely, a large proportion of the total value of improved varieties is ascribed to a small percentage of improved varieties.
The breeding of improved varieties combined with the expanded use of fertilizers, pesticides, and irrigation led to dramatic yield increases in the late 1960s.
Another indirect impact that improved varieties are having is the advent of double cropping in certain areas.
It focuses on the involvement of women farmers in participatory research for screening improved varieties for areas which suffer from abiotic stresses.
Most of the world production of peas is obtained from improved varieties.
The adoption of the improved varieties occurred quickly, reaching about 70 per cent of the wheat and rice area in developing countries by 1990.
However, extension was still an important source of seed for improved varieties.
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