Reducing Water Salinity for Agriculture

There is a river that sometimes changes its water salinity and it goes up and gets inappropriate for rice filed.

Does anybody know an inexpensive method to reduce the salinity of this water?

Thanks.

Taxonomy

• Agriculture
• Sustainable Agriculture
• Saline Water Irrigation
• Saline Water
• Desalination
• Solar Desalination
• Agriculture & Forestry
• Water Purification
• Desalination

3 Answers

1. Least expensive method is to think. #1 all plants need micronutrients. If seasalt/water is 5% by volume or less you are ok. (Do check the ph parameters of crop growing). If water source changes have a routine of checking ph on a regular basis.  If the ph is slightly off then you can select native plants that crave the seasalt more than others. Wild beets for example. Your local county agent can help with this.  As a last resort spend money on a proven technology.  You may want to build up your soil fertility. Healthy soils can handle a ph range of 5.5 10.0 .  Makes the above suggestions less worrysome.  

2. Focal Line Solar has a hybrid solar desalination system that is cost effective in California.  I can ask them to send you a presentation if you would be interested.

3. Yes. I have a desalination technology initiative looking for synergies

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