Change of soil productivity in three different soils after long-term field fertilization treatments
Change of soil productivity in three different soils after long-term field fertilization treatments作者机构:National Engineering Laboratory for Improving Quality of Arable Land/Institute of Agricultural Resources and Regional PlanningChinese Academy of Agricultural SciencesBeijing 100081P.R.China National Engineering and Technology Research Center for Red Soil Improvement/Jiangxi Institute of Red SoilNanchang 331717P.R.China Institute of Plant Nutrition and Environmental Resources ScienceHenan Academy of Agricultural SciencesZhengzhou 450002P.R.China Institute of Agricultural Resource and EnvironmentJilin Academy of Agricultural SciencesChangchun 130033P.R.China San Joaquin Valley Agricultural Sciences CenterUSDA Agricultural Research ServiceCA 93648-9757USA Cultivated Land Quality Monitoring and Protection CenterMinistry of of Agriculture and Rural AffairsBeijing 100125P.R.China
出 版 物:《Journal of Integrative Agriculture》 (农业科学学报(英文版))
年 卷 期:2020年第19卷第3期
页 面:848-858页
核心收录:
学科分类:09[农学] 0903[农学-农业资源与环境] 090301[农学-土壤学]
基 金:supported by the National Key Research and Development Program of China (2016YFD0300901 and 2016YFD0200101) the Fundamental Research Funds for Central Non-profit Scientific Institution of China (161032019035 and 161032019020) the National Basic Research Program of China (973 Program) (2011CB100501)
主 题:manure incorporation C/N ratio soil types grain yield
摘 要:Soil productivity(SP) without external fertilization influence is an important indicator for the capacity of a soil to support crop ***,there have been difficulties in estimating values of SPs for soils after various long-term field treatments because the treatment without external fertilization is used but is depleted in soil nutrients,leading to erroneous *** objectives of this study were to estimate the change of SP across different cropping seasons using pot experiments,and to evaluate the steady SP value(which is defined by the basal contribution of soil itself to crop yield) after various longterm fertilization treatments in soils at different geographical *** pot experiments were conducted in Jinxian of Jiangxi Province with paddy soil,Zhengzhou of Henan Province with fluvo-aquic soil,and Gongzhuling of Jilin Province with black soils,*** were collected after long-term field fertilization treatments of no fertilizer(control;CK-F),chemical fertilizer(NPK-F),and combined chemical fertilizer with manure(NPKM-F).The soils received either no fertilizer(F0) or chemical fertilizer(F1) for 3-6 cropping seasons in pots,which include CK-P(control;no fertilizer from long-term field experiments for pot experiments),NPK-P(chemical fertilizer from long-term field experiments for pot experiments),and NPKM-P(combined chemical and organic fertilizers from long-term field experiments for pot experiments).The yield data were used to calculate SP *** initial SP values were high,but decreased rapidly until a relatively steady SP was achieved at or after about three cropping seasons for paddy and fluvo-aquic *** steady SP values in the third cropping season from CK-P,NPK-P,and NPKM-P treatments were 37.7,44.1,and 50.0% in the paddy soil,34.2,38.1,and 50.0% in the fluvo-aquic soil,with the highest value observed in the NPKM-P treatment for all ***,further research is required in the black soils to incorporate more than t