Algae as Fertilizer

Invasive algae could be a free, locally available and easy-to-harvest fertilizer.

| April/May 2015

  • Algae As Fertilizer
    Harvesting algae from a farm pond could result in free fertilizer.
    Photo by Fotolia/tommicris

  • Algae As Fertilizer

The invasive algae that float on ponds and lakes in southern Connecticut (near where I live) and elsewhere could make great fertilizer. My public officials want to rid us of these algal masses by either poisoning them, draining the entire lake in hopes that a winter freeze will kill them, or employing mechanical means. All of these ideas would cost taxpayers money.

I look at these masses of floating green and see floating gold. Harvesting algae is free and easy. When I’m out in my kayak, I simply fill a laundry basket with handfuls of algae, and then take the harvest home to put on my garden. I am in the experimental stages of this idea, but I appreciate that algae are free, easy to harvest, and dry to about half of their wet mass. I believe every small farmer with a pond could harvest pond algae, dry them, fertilize a garden — and they could even sell algae at the farmers market!

Cliff Weller
Jewett City, Connecticut

WhatAboutNepal
5/4/2019 9:38:13 PM

I live in Nepal. There are these beautiful brick-lined ponds in our ancient city and there is always an algae problem. It's a farming community, so it could help a lot if people used this stuff. I've got an NGO and have been wondering how to collect and use this alga. Thanks for the encouragement. Anyone needing an NGO to work with I'm happy to work with anyone with a good plan-I won't take any money for teaming up. I just want to plant trees and help Nepal's environmental issues any way I can.


LISAF
4/12/2019 10:43:23 AM

Check out Algae Aqua-Culture Technology, a start up company in Whitefish Montana. Their not only producing algae fertilizer, but the process provides all their energy needs as well. Just had a tour of their facility last weekend. They are doing amazing things.


LISAF
4/12/2019 10:14:57 AM

Check out Algae Aqua-Culture Technology, a start up company in Whitefish Montana. Their not only producing algae fertilizer, but the process provides all their energy needs as well. Just had a tour of their facility last weekend. They are doing amazing things.







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