Careful analysis of the amount of water retained in the soil profile after an irrigation enables accurate calculation of irrigation efficiency.
This case study was on apples at Twaalfontein, in the Western Cape, South Africa. The grower was finding difficulty in raising the water content to the full point.
The time graph of the site in the previous season, with day irrigations. It was late in the season before the grower was able to start filling the soil profile.
Further Information
Day irrigation | Night irrigation | Final Result