hydromeliorations agricultural engineering 55 drainage 26 agriculture 23 irrigation 15 agrochemistry 12 physiology 8 more ... water management 7 water structures 5 peat 4 water courses regulation 4 fertilization 3 reclaimed soils 3 buildings (construction) 3 irrigated soils 3 Earth remote sensing 2 ecology 2 files 2 fertilizers 2 hydropedology 2 hydraulic structures 2 forestry 2 costs 2 drainage of wet grounds 2 underground water 2 soil science 2 soils 2 landscape recultivation 2 plant production 2 lawn grasses 2 less ...