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甘薯膨大素是一种促进薯块膨大，增加薯块产量，改善薯决品质，无毒、无副作用的植物生长调节剂，经过反复试验，可提高红薯产量20％－30％。我州于1989年引进，在建水、个旧、蒙自试验，均获得成功，是一项投资小、增产显著、使用方便、深受群众欢迎。个旧市1989年5个试点验收
Sweet potato enlargement is a kind of plant growth regulators that promote the enlargement of potato tubers, increase the output of potato tubers, improve the quality of potato tuber, nontoxic and without side effects. After repeated tests, the yield of sweet potato can be increased by 20% -30%. Our county was introduced in 1989, and succeeded in the construction of Jianshui, Gejiu and Mengzi. It is a small investment, significant increase in output, easy to use and popular among the masses. Gejiu City in 1989 five pilot acceptance