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烤烟是我县的主要经济作物,为了进一步提高烤烟质量,龙山县农业技术推广中心,于1985年从河南商丘冶炼厂调进1吨硝酸稀土,参照有关资料的报道,在全县同时组织试验,示范和推广,一年内共推广使用稀土850公斤,施用面积17,000余亩,增值40余万元,深受广大群众欢迎。
In order to further improve the quality of flue-cured tobacco, Longshan County Agricultural Technology Extension Center transferred 1 ton of rare earth nitrate from Shangqiu Smelter in Henan Province in 1985 according to the reports of relevant materials, and organized tests in the whole county at the same time. Demonstration and promotion of a total of a year to promote the use of rare earth 850 kg, the application area of more than 17,000 acres, added value of more than 40 million, welcomed by the masses.