He hopes soon to begin a bigger trial, based on the success of his small one.

该研究计划是以小型实验为基础，很快开展一项规模更大的实验。

In 1995, local farmers planted 20,000 hectares of two-line hybrid rice in 55 counties on a trial base.

1995年， 当地农民在55个县试种两系杂交水稻2万公顷。