Repeated measurements
(bi-monthly)
Soil sampling
- Depths: 0-5, 5-10, 10-15, 20-25, 30-40, 50-60, 70-80 cm
Soil determinations
- Soil moisture content: at all samples
- Soil dry bulk density: on undisturbed samples
- Soil pH and electrical conductivity: composite samples
- Soil-water extract analysis and exchangeable cations determination: on composite samples
Water determination
- Chemical analysis of irrigation water and groundwater