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为验证在马铃薯生产过程中钾肥的最佳用量,探讨马铃薯栽培施用钾肥的最佳优化配方,建立马铃薯施肥指标体系,陕西省洛南县农业技术推广中心特进行马铃薯钾肥施用优化试验。试验结果表明:陕西省洛南县马铃薯大田种植以N-P_2O_5-K_2O(12-7-15)为标准钾肥的施用量,可大面积推广应用。
In order to verify the optimum amount of potash fertilizer in potato production, explore the optimum formula of potash fertilizer application and establish the index system of fertilization in potato. Luonan County Agricultural Technology Extension Center in Shaanxi Province specially carried out the optimum application of potash fertilizer. The results showed that the application of N-P_2O_5-K_2O (12-7-15) as potash fertilizer could be widely applied in potato fields in Luonan County of Shaanxi Province.