6 lessons 
14 min, Access for 6 months.
The course deals with aspects of soil-water-plant relations relevant to the field of irrigation:
- What is soil.
- Textures and types of soils.
- The movement of water in the soil.
- The states of water retention in the soil – saturation point, field capacity and absorption point.
- Factors affecting water uptake by the plant and water evaporation from the plant.
- Technological tools for measuring the water consumption of the crop and directing irrigation.
