基于3种空间预测方法的黄土区土壤颗粒组成空间分布研究—以宁夏海原县为例

申哲,张认连,龙怀玉,王转,朱国龙,石乾雄,喻科凡,徐爱国

Research on Spatial Distribution of Soil Particle Size Distribution in Loess Region Based on Three Spatial Prediction Methods—Taking Haiyuan County in Ningxia as an Example

SHEN Zhe,ZHANG RenLian,LONG HuaiYu,WANG Zhuan,ZHU GuoLong,SHI QianXiong,YU KeFan,XU AiGuo

表1 各土壤类型面积占比及样点统计

Table 1 The area proportion and sample points of each soil type

土壤类型 Soil type 采样个数 Sampling point 本县面积占比 Proportion of area (%) 黄绵土 Cultivated loessial soil 65 53.33 黑垆土 Dark loessial soil 21 15.31 灰钙土 Sierozem 19 14.87 灰褐土 Gray cinnamonic soil 9 6.87 新积土 Alluvial soil 5 4.71 粗骨土 Skeletal soil 3 3.75 红黏土 Red clay 2 1.16