茶叶学报2026，Vol.67Issue(1)：49-58,10.DOI:10.20045/j.cnki.issn.2096-0220.2026.01.005
不同施肥模式对茶园土壤团聚体及养分化学计量特征的影响
Soil Aggregation and Nutrient Stoichiometry Affected by Fertilizations at Tea Plantations
摘要
Abstract
[Objective]Aggregates distribution and nutrients stoichiometry of tea plantation soil under different fertilization modes were analyzed.[Method]On field experimentation lots,treatments of no fertilization as control(CK)and,on furrows applying a chemical fertilizer(F),an organic fertilizer(OFG),a biofertilizer(OFWG)or half of the chemical fertilizer with other half of the organic fertilizer(OFF),as well as by broadcasting the organic fertilizer(OFS)or the biofertilizer(OFWS)were implemented.The resulting particle sizes of water-stable aggregates and nutrient stoichiometric characteristics of the tea garden soils were determined.[Result]Among the various treatments on the soil,OFWG generated the most organic carbon at 31.77 g·kg-1,and CK the least at 14.46 g·kg-1;OFG the highest pH of 5.46,and F the lowest at 4.43;OFG the greatest proportion of aggregates particle size larger than 2 mm of 27.29%,and F the smallest of 4.20%;and OFF the highest percentage in＜0.25 mm aggregates at 35.64%,and OFWG the least at 25.38%.OFF significantly heightened the geometric mean diameter(GMD),mean weight diameter(MWD),and＞2 mm water-stable aggregates proportions in soil under F,while significantly reduced the erodibility factor K.OFG and OFWG elevated the organic carbon,total nitrogen,total potassium,GMD,and MWD,whereas OFS and OFWG did to the total phosphorus.OFWG exerted the highest R0.25 ratio of 74.62%.The RDA indicated the aggregates sized 2-1 mm and 1-0.5 mm and erodibility K to be the major indicators for soil fertility.The Pearson correlation analysis showed the content of 2-1 mm aggregates to significantly inversely correlate with that of organic carbon at P＜0.01,and with that of total nitrogen and ratio of carbon-potassium at P＜0.05.[Conclusion]The application of organic or bio fertilizer on furrows at a tea plantation increased the contents of organic carbon,total nitrogen,and total potassium as well as promoted the formation of large aggregates,resulting in significantly improved structure and fertility of the soil.关键词
不同施肥模式/土壤团聚体/养分及其计量特征Key words
Fertilization modes/soil aggregates/nutrient stoichiometry分类
农业科技引用本文复制引用
欧显珍,杨晨,叶培钰,骆新峥,习门子,蒋琦琦,孙威江,薛志慧..不同施肥模式对茶园土壤团聚体及养分化学计量特征的影响[J].茶叶学报,2026,67(1):49-58,10.基金项目
福建省能源与碳计量重点实验室(福建省计量科学研究院)开放课题基金资助(NYYTJL-KFKT-2025-05) （福建省计量科学研究院）
福建农林大学2025年校级大学生创新创业训练计划项目(FAFUXMPC20250429001-00206). （FAFUXMPC20250429001-00206）
