Sentence examples for productive varieties from inspiring English sources

A network of state breeding stations helped develop the most productive varieties for each region.

Worryingly, though, in the past 15 years the yields of the most productive varieties of wheat in Broadbalk have begun to level out or even fall.

A study in the 1950s by the economist Zvi Griliches of American farmers' adoption of more productive varieties of corn showed how higher prices reduced the cost of adopting new technologies.

Sufficient water at the proper time makes possible the full use of technology in farming including the proper application of fertilizers, suitable crop rotations, and the use of more productive varieties of crops.

In the Gamo highlands, farmer management of seed and seed exchange leads to three distinct sets of population processes in the same physical landscape: isolation and diversification of low-elevation varieties, broad geographic patterns in productive varieties, and clustering by location and variety name in specialty varieties.

In 1917 Jones successfully combined two single-cross hybrid corn varieties in a double cross, or four-way combination, that resulted in a new, uniform, highly productive variety.

Thomcord is a productive variety, with a yield comparable to Thompson Seedless.

It is a productive variety, yielding an average of 15.1 kg of grapes per vine, but has produced as much as 30-32 kg per vine in grower trials.

The strategic plan is to stimulate research for advanced technology & knowledge transfer, sustainable & improved date production systems, productive date varieties and to investigate health benefits of date-enriched food diets in human population.

The UN also reports that more productive coca varieties are being used in both countries; in Peru it reckons that fields may be producing 10% more coca than a year ago.Nevertheless, the shrinking of coca land in Colombia will comfort the United States' Congress.

Recent experiences in countries of the Mediterranean basin demonstrate that the benefits expected from the introduction of new and highly productive plant varieties may be quickly eroded by the concomitant introduction of new virus strains which can greatly change the structure of the resident virus population.