Soil moisture Soils 24 Soil physics 15 Congresses 13 Measurement 10 Mathematical models 7 Soil permeability 7 más ... Environmental aspects 6 Soil mechanics 6 Solute movement 6 Groundwater flow 5 Computer simulation 4 Soil percolation 4 Water, Underground 4 Data processing 3 Fertilizers 3 Plant-soil relationships 3 Plant-water relationships 3 Soil fertility 3 Analysis 2 Clay 2 Crops and soils 2 Groundwater 2 Heavy metal content 2 Heavy metals 2 Humus 2 Hydrologic models 2 Hydrology 2 Irrigation 2 Land use 2 menos ...