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1987—1989年探讨了我省主要推广良种—锦橙的矿质营养元素含量指标。结果表明,同一品种叶片的营养元素含量在果园与年度间均存在着不同程度的差异,统计分析看出。各营养元素含量的变异系数也相差较大。在确定叶片适宜营养指标时应多点、多年取样分析,并排除受某些特殊因素影响而出现的过高或过低值,使所制定的指标更为合理,具有实用价值。本研究初步提出了锦橙叶片营养元素适宜含量指标和元素的适宜比值,可作为指导合理施肥的参考。当前柑桔果园营养不平街的问题较为严重存在,以叶分析为依据,改进果园施肥管理,对提高产量与品质及减少肥料的消耗均具有重要的意义。
1987-1989 years to explore the main promotion of our province - Jincheng orange mineral nutrient content indicators. The results showed that the same variety of leaf nutrient content in orchards and the year there are different degrees of difference, statistical analysis shows. The coefficients of variation of nutrient content also vary greatly. In determining the appropriate nutritional indicators of leaves should be more, sampling and analysis for many years, and ruled out by the impact of certain special factors appear too high or too low, so that the indicators developed more reasonable and has practical value. This study initially put forward the suitable ratio of nutrient elements in Jinhua orange leaves and the appropriate ratio of elements can be used as a reference to guide the rational fertilization. At present, the problem of uneven nutrition in citrus orchards is more serious. Based on the analysis of leaf, improving fertilization management in orchards is of great significance to improving yield and quality and reducing fertilizer consumption.