4.- WATER USE - 4.3. Optimisation of water use in agriculture —> 4.3.2. Manual irrigation.
**[<https://sswm.info/water-nutrient-cycle/water-use/hardwares/optimisation-water-use-agriculture/manual-irrigation>](<https://sswm.info/water-nutrient-cycle/water-use/hardwares/optimisation-water-use-agriculture/manual-irrigation>)**
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