On top of all this the government established 100,000 demonstration plots across the country to prove to the farmers that the hybrid varieties were indeed more productive.

Today, the grove serves as a "demonstration plot."

The city will offer new Toro mulching mowers to 25 residents who are willing to identify their lawns as demonstration plots.

'We planted a demonstration plot,' they told me.

The demonstration plot continues to be a great success and is visited annually by interested gardeners.

No flower show is complete without its fruit and vegetables, so there are demonstration plots showing how to grow cabbages, carrots and cucumbers both outside and in the greenhouse.

Children learn in the beautiful and unique Teaching Garden which incorporates demonstration plots and an organic vegetable garden sown and harvested by children.

In 2011, this record was surpassed by an Indian farmer, Sumant Kumar, with 22.4 tonnes per hectare in Bihar, also in a demonstration plot.

The science park leads out onto several new trails and natural habitat areas, including a two-acre meadow that has a demonstration plot for native grasses and native fruit-bearing shrubs.

In Zambia, it has hired 286 trainers, each of whom supervise 10 "lead" farmers who receive free fertilizer and special training for a single demonstration plot.