中国土壤与肥料Issue(2)：13-22,10.DOI:10.11838/sfsc.1673-6257.24330
种植年限对设施菜地土壤理化特性及供肥能力影响研究
Study on the effect of planting years on the physicochemical characteristics and fertilizer supply capacity of soil in facility vegetable plots
摘要
Abstract
Continuous cropping obstacles are caused by high-frequency continuous planting in medium and long-term protected vegetable fields,and the soil has problems such as decreased fertilizer supply capacity,nutrient imbalance,soil acidification and salt accumulation.In order to elucidate the changing law of soil physicochemical properties and fertilizer supply capacity of facility vegetable land with the planting years,typical facility vegetable land in Shenyang was taken as the research object,soil samples of the surface layer(0-20 cm)and sub-surface layer(20-40 cm)soil of the planting years 1-5,6-10,11-15,16-20 and 21-25 years were collected,the changing law of soil physicochemical properties and nutrient content with the planting years and the key influencing factors were analyzed.The results showed that as the planting years increased,the soil pH first decreased and then increased,which was significntly lower than the open field controe soil;the soil electrical conductivity showed the opposite trend.The contents of surface soil organic carbon,total nitrogen and alkaline hydrolyzable nitrogen increased to the maximum between 6-10 years,significantly increasing by 41.9%,160.9%and 747.6%,respectively,compared with the open field(P<0.05).When the planting years were 21-25 years,the contents of organic carbon,total nitrogen and alkaline hydrolyzable nitrogen dropped to the lowest.The soil available potassium content showed a downward trend with the increase of planting years,while the total phosphorus and available phosphorus contents first increased then decreased with the increase of planting years.The changing patterns of fertilizer supply capacity of subsurface soils were basically the same as the surface soil.In summary,it was suggested that during the cultivation process of facility vegetable field,the fertilization measures should be adjusted in a timely manner with the change of cultivation period,and the facility vegetable field with cultivation period of more than 10 years,phosphorus fertilizer should be reduced,nitrogen fertilizer and potassium fertilizer should be supplemented,and organic fertilizers should be gradually increased.关键词
设施菜地/种植年限/土壤供肥能力/土壤理化特性Key words
facility vegetable plots/planting years/soil fertility/soil physicochemical properties引用本文复制引用
陈亮亮,张鸿龄,孙玲玲,段运思,张金鑫,刘鑫仪,陈奕阳,马国峰..种植年限对设施菜地土壤理化特性及供肥能力影响研究[J].中国土壤与肥料,2025,(2):13-22,10.基金项目
沈阳市社会治理科技专项(23-407-3-11) （23-407-3-11）
沈阳市中青年科技创新人才项目(RC210321) （RC210321）
辽宁省自然科学基金项目(2024-MS-210). （2024-MS-210）
