espèce (1) eau du sol (1) productivité (1) besoin (1) irrigation (1) information (1) récolte (1) céréale (1) aliment (1) règlement (1) index (1) Afrique (1) Food (1) Adaptation (1) Balances (Weighing instruments) (1) Crop improvement (1) Water use (1) Water (1) Summer (1) Species (1) South Africa (1) Soil moisture (1) Seasons (1) Respect (1) Legumes (1) Irrigation (1) Grain (1) Food (1) Field trials (1) Evaluation (1)