中国桃土壤氮素丰缺指标与适宜施氮量研究  

Abundance-deficiency Index of Soil Nitrogen and Appropriate Fertilizer Application Rates for Peach Planting in China

作　　者：张明 吕志伟[2] 孙洪仁[3] 张吉萍 吕玉才 刘元青 ZHANG Ming;LV Zhiwei;SUN Hongren;ZHANG Jiping;LV Yucai;LIU Yuanqing(Agriculture and Rural Affairs Bureau of Mengyin County,Mengyin,Shandong 276200;School of Life Sciences,Liaocheng University,Liaocheng,Shandong 252000;College of Grassland Science and Technology,China Agricultural University,Beijing 100193;Beijing Liukai Agriculture Sci.&Tech Co.,Ltd.,Beijing 100095)

机构地区：[1]山东省临沂市蒙阴县农业农村局,山东蒙阴276200 [2]聊城大学生命科学学院,山东聊城252000 [3]中国农业大学草业科学与技术学院,北京100193 [4]北京六凯农业科技有限公司,北京100095

出　　处：《中国农学通报》2023年第14期60-66,共7页Chinese Agricultural Science Bulletin

基　　金：国家现代农业产业技术体系建设项目“现代牧草产业技术体系建设”(CARS-35);国家自然科学基金项目“UV-B辐射增强对不同结瘤能力大豆地下部及根际微生物多样性的影响”(31200387)。

摘　　要：为了给国内桃测土施氮提供科学依据,采用“零散实验数据整合法”和“养分平衡—地力差减法”新应用公式,对中国桃土壤的氮素丰缺指标以及适宜的施氮量进行了初步研究。结果表明:中国桃土壤碱解氮第1~6级丰缺指标依次为:≥206、125~206、76~125、46~76、28~46和<28 mg/kg;土壤有机质第1~4级丰缺指标依次为:≥53、32~53、12~32和<12 g/kg。当桃目标产量为15~60 t/hm^(2),氮肥利用率为40%时,氮素丰缺级别第1~6级土壤的适宜施氮量范围依次为0~0、20~80、40~159、60~239、80~318和99~398 kg/hm^(2)。本研究初步建立了桃土壤碱解氮和有机质丰缺指标推荐施氮系统,为桃测土施氮提供了相应的科学依据。To lay a theoretical basis for peach soil testing and nitrogen fertilizer recommendation in China,the method of“scattered experimental data integration”and the method of“nutrient balance and target yield minus soil fertility yield”were employed to study the rich-lack index(RLI)of soil alkaline hydrolysis nitrogen and organic matter and the recommended soil fertilizer application rates(RSFAR)for peach planting in China.The results showed that the RLI of soil alkaline hydrolysis nitrogen for peach planting in China from the first to the sixth level was≥206,125-206,76-125,46-76,28-46 and<28 mg/kg,respectively;the RLI of soil organic matter from the first to the fourth level was≥53,32-53,12-32 and<12 g/kg,respectively.When the N fertilizer use efficiency was 40%and the target yield was 15-60 t/hm 2,the range of the RSFAR of N for the first to the sixth level soil was 0-0,20-80,40-159,60-239,80-318 and 99-398kg/hm^(2),respectively.The recommended fertilization system of N in China’s peach soil was established preliminarily,which could provide a scientific basis for peach soil testing and fertilization.

关 键 词：桃 测土施肥 丰缺指标 碱解氮 有机质 施肥量 

分 类 号：S153.6[农业科学—土壤学] S662.1[农业科学—农业基础科学]