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磷素是植物的重要营养元素之一。国内外不少研究资料指出:磷肥的肥效与土壤性质、肥力基础、作物种类和农业技术措施等都有密切的关系。可见,要想因地制宜、经济合理地施用磷肥,使花生增产,必须逐步摸清各种土壤的供磷能力及其与内外影响因素的关系,这是合理施用磷肥提高其肥效的基本依据。为此,我们将1964年以~(32)P作示踪剂,应用同位素稀释法,对山东省3个花生产区的土壤磷素供应状况及其对磷肥的吸收利用率进行
Phosphorus is one of the plant’s important nutrients. Many domestic and foreign research data pointed out: the fertilizer efficiency and soil properties, fertility base, crop species and agricultural technology measures are closely related. Visible, in order to adapt to local conditions, the economical and rational use of phosphate fertilizer, peanut production, we must gradually find out the various kinds of soil phosphorus supply capacity and its relationship with the impact of internal and external factors, which is the rational use of phosphate fertilizer to improve its efficiency of the basic basis. To this end, we use ~ (32) P as tracer in 1964, and apply isotope dilution method to analyze the status of soil phosphorus supply and its absorption and utilization of phosphate fertilizer in three flower production areas in Shandong Province