中国糖料2025，Vol.47Issue(3)：71-83,13.DOI:10.13570/j.cnki.scc.2025.03.009
我国甜菜土壤氮素丰缺指标与适宜施氮量研究
Study on Abundance-deficiency Index of Soil Nitrogen and Appropriate N Application Rates for Sugar Beet in China
摘要
Abstract
[Objective]To establish the system of soil testing and N fertilizer recommendation for sugar beet in China,[Methods]a recommended fertilization system of crop based on soil nutrient abundance and deficiency index(ADI)was employed to investigate the ADI of soil nitrogen and the appropriate N application rates(RNAR)for sugar beet in China.[Results]The ADI of soil organic matter for the 1st to 8th level were≥64,37-64,22-37,13-22,7-13,4-7,2.5-4 and<2.5 g/kg,respectively;The ADI of soil total nitrogen for the 1st to 8th level were≥4.4,2.6-4.4,1.5-2.6,0.9-1.5,0.6-0.9,0.4-0.6,0.2-0.4 and<0.2 g/kg,respectively;The ADI of soil alkaline hydrolysis nitrogen for the 1st to 8th level were≥320,170-320,91-170,48-91,26-48,14-26,8-14 and<8 mg/kg,respectively.When the N fertilizer use efficiency ranged from 30%to 50%,and the target yield was between 30 and 120 t/hm2,the RNAR for the soil N abundance and deficiency levels of 1st to 8th were 0,27-180,54-360,81-540,108-720,135-900,162-1 080 and 189-1 260 kg/hm2,respectively.[Conclusion]This study successfully established a recommended N application system based on ADI of soil nitrogen,which provided a scientific basis for soil testing and N fertilizer recommendation for sugar beets in China.关键词
中国/甜菜/测土施肥/丰缺指标/施肥量Key words
China/sugar beet/soil testing and fertilizer recommendation/abundance-deficiency index/fertilizer application rate分类
农业科技引用本文复制引用
孙洪仁,张吉萍,冮丽华,王尚波,王志栋..我国甜菜土壤氮素丰缺指标与适宜施氮量研究[J].中国糖料,2025,47(3):71-83,13.基金项目
财政部和农业农村部国家现代农业产业技术体系(牧草)建设项目(CARS-34)资助. （牧草）
