土壤养分空间变异  Soil spatial variability

土壤空间分布  soil’s distribution pattern

土壤空间异质性  soil spatial heterogeneity

土壤养分分布  soil nutrient distribution

土壤养分分布图  soil nutrients distribution map

土壤养分分级  classification for soil nutrition

稻田土壤养分  paddy soil nutrient

根际土壤养分  rhizosphere soil nutrients

耕层土壤养分调查  investigation of topsoil nutrients

耕地土壤养分  farmland soil nutrients

空间土壤生态学  Spatial soil ecology

森林土壤养分  forest soil nutrient

土壤N、P养分  Soil N and P nutrient

土壤空间  soil profile

土壤空间变异  Soil spatial variability

土壤空间差异  Spatial variations of soil

土壤空间数据  Soil spatial data

土壤空间预测  Soil spatial prediction

土壤空间预测制图  Predictive soil mapping