Irrigation farming Irrigation 31 Management 15 Rice 10 Congresses 9 Crops and water 8 Water in agriculture 7 Mais ... Agriculture 4 Arid regions agriculture 3 Irrigation engineering 3 Water-supply, Agricultural 3 Agricultural estimating and reporting 2 Crop yields 2 Crops 2 Data processing 2 Drainage 2 Economic aspects 2 Evaluation 2 Irrigation efficiency 2 Mathematical models 2 Water resources development 2 Water-supply 2 Agricultural administration 1 Agricultural engineering 1 Arid regions 1 Artificial satellites in agriculture 1 Computer programs 1 Consevation tillage 1 Control 1 Costs 1 menos ...