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随着化肥用量的增加和农业生产水平的提高,日益呈现出的施用单一肥料品种和依靠经验的施肥方法,已不能适应农业生产发展的要求。配方施肥是改变过去那种盲目施肥或完全凭经验施肥的做法,是根据土壤肥力水平、农作物计划产量指标,作物种类及其需肥规律,肥料田间试验资料(包括农家肥和化肥),以及其它有关因素,综合分析并计算出合适的氮、磷、钾施肥用量和比例,适时施用,达到经济合理施用效果。
With the increase of the amount of fertilizer and the increase of agricultural production level, the application of single fertilizer varieties and the fertilization method based on experience, which are increasingly presented, are no longer able to meet the requirements of agricultural production. Recipe fertilization is to change the past that blindly fertilization or completely fertilized by experience, is based on the level of soil fertility, crop yield indicators, crop types and their need for fertilizer law, fertilizer field test data (including peasant and fertilizer), and other Relevant factors, a comprehensive analysis and calculate the appropriate amount of nitrogen, phosphorus and potassium fertilization and the proportion of timely application, to achieve economic and rational application.