报道龙眼化学调控技术在生产上试验、示范及推广应用的效果。
The results of chemical regulation for longan to commercial experiments, demonstration, application and extention are also reported.
同时，获得了从1996年起大面积示范和推广生产实践的验证，取得了显著社会及经济效益。
The social and economic benefits is significant in popularizing this new combination on a large scale since 1996.
介绍了国家超级稻示范推广计划及其在广东的实施情况，分析了广东省超级稻的发展前景及有待解决的问题。
The demonstration and extension plan of national super rice and its practice in Guangdong has been introduced. The prospect and problems about super rice in Guangdong has also been analyzed.
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