How to irrigate Alfalfa
As a general rule of thumb, soil moisture should never be under 50%. During the productive period, we irrigate when the soil is dry through artificial rain, center pivots, linears and controlled flooding. Generally, we stop irrigating 3-10 days before harvesting. Most alfalfa plants will die if we do not irrigate after 45-60 days of drought during summer. Although there is not an irrigation system ensuring absolute uniformity, we have to keep in mind that excessive water supply in one part of the field will increase disease potential, and cause drainage below the root zone.
Apart from alfalfa drought tolerance, there are research findings indicating that alfalfa plants can perform well when irrigated with water of high salinity or poor quality (recycled water from waste tanks) that cannot be used in any other popular crops. However, you have to consult your local agronomist if you intend to irrigate your plants with water from such a source.
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5. Alfalfa Irrigation
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