Sentence examples for of improved varieties from inspiring English sources

Sorghum grain production in sub-Saharan Africa is constrained by the fact that farmers' choice of improved varieties is limited.

The Gates Foundation said the meeting would focus on "[encouraging] the development and promotion of appropriate models for the production and delivery of early generation seeds of improved varieties for a diversity of food crops in sub-Saharan Africa".

Good quality seeds of improved varieties can contribute to about 20 25% increase in productivity (Hasanuzzaman, 2015).

But critics point out that subsistence farmers in developing countries often buy small amounts of improved varieties and breed them with local varieties to bolster yields.

Yet another explanation could be that young people have more viable options or alternative investments hence may delay adoption of improved varieties.

Parental lines of improved varieties originated from China, Japan, Korea, Taiwan, and the USA.

Now, every member of the group can purchase quality seeds of improved varieties.

Studies of genetic integrity of seed lots have documented genetic differentiation, genetic contamination and mislabeling of improved varieties [ 21, 22].

Compared to other crops maize has the highest adoption rate of improved varieties in SSA and Smale et al. (2013) [ 9] estimate that 44% of the maize area in Eastern and Southern Africa is planted to improved varieties.

Figure 4 shows that traditional varieties, selected by ancient farmers, are not of significantly different GI than improved varieties, with the average GI of improved varieties being 64.9 and of traditional, 64.0.

included improved varieties from South-East Asia; J3 included a small set (5 acc). of improved varieties derived from Colombia 1; J4 (8 acc).