旱作种植条件下基础地力贡献率演变特征及影响因素分析

李官沫,张文菊,曲潇琳,乔磊,黄亚萍,徐虎,徐明岗

Evolution Characteristics and Influencing Factors on Inherent Soil Productivity Across Dryland

LI GuanMo,ZHANG WenJu,QU XiaoLin,QIAO Lei,HUANG YaPing,XU Hu,XU MingGang

表1 监测点的地理分布及主要土壤类型

Table 1 Overview of the regional distributions and typical soil types involved in the study

区域 Region 监测点个数 The number of sites 各时间阶段监测点个数 Number of sites in each time period 主要土壤类型 Typical soil type 1980s 1990s 2000s 2010s 东北 Northeast China 23 0 8 10 5 黑土、草甸土、棕壤 Black soil, Meadow soil, Brown soil 华北 North China Plain 65 6 24 25 10 潮土、褐土、砂姜黑土 Fluvo-aquic soil, Cinnamon soil, Shajiang black soil 长江中下游 The middle and lower reaches of the Yangtze River 46 2 17 23 4 水稻土、潮土、砂姜黑土 Paddy soil, Fluvo-aquic soil, Shajiang black soil 西南 Southwest China 13 4 4 4 1 水稻土、紫色土、红壤 Paddy soil, Purple soil, Red soil 西北 Northwest China 25 3 9 9 4 灌漠土、灌淤土、栗钙土 Irrigated desert soil, Irrigated-silting soil, Chestnut soil 总计 Total 172