Dear Mr. Oliver,<br><br>Seaweed and Seagrass are best source of minerals but the salinity content in the digestate would have an impact on the soil. Seaweed is washed and then used either for composting or for extraction for agricultural use (to negate salinity). Since seagrass is co digested with cow dung, there may not be much problem in producing biogas and asa matter of fact your yield should be higher. The microbes will acclamatize.<br>
<br>Regards,<br><br>Krishna.<br><br><br><br><br><br><div class="gmail_quote">On Wed, Dec 5, 2012 at 6:35 PM, Oliver Kynaston <span dir="ltr"><<a href="mailto:oliver.kynaston@gmail.com" target="_blank">oliver.kynaston@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Dear List, <div><br><div>I am living in tropical East Africa and have recently moved to a house near the sea. I have some experience in setting up and designing domestic scale biodigesters and am planning on installing a flexible bag or fixed dome digester at my new place in the next couple of weeks.</div>
<div><br></div><div>I am planning on using cow manure as the principle substrate but was wondering whether I could make use of the large quantities of Sea Grass (<span style="font-size:1.1em;font-family:arial,verdana,sans-serif"><a href="http://www.iucnredlist.org/details/173375/0" target="_blank">Thalassodendron ciliatum</a>) </span>which is washed up on the beach every day. </div>
<div><br></div><div>Does anyone know whether this would be a suitable substrate for co-digesting with the cow manure? If so any recommendations on feeding rates per kg of cow manure? </div><div><br></div><div>Also I am intending to use the bioslurry as a soil improver and fertiliser on my land and would like to know whether the salt content of the seagrass is likely to have a negative impact on the slurry/soil. I'm not keen on using precious fresh water to wash it first...</div>
<div><br></div><div>Any pointers or links to resources would be welcome. </div><div><br></div><div>Best, </div><span><font color="#888888"><div><br></div><div>Oliver</div><div><br></div><div><div><br></div>
-- <br><div><span style="color:rgb(153,153,153);font-size:x-small">Oliver Kynaston</span></div>
<div><div><span style="color:rgb(153,153,153);font-size:x-small">+255 (0) 688 494785</span></div></div><br><br>
</div></font></span></div>
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<br></blockquote></div><br><br clear="all"><br>-- <br><span style="color:rgb(0,0,102);font-family:comic sans ms,sans-serif">Regards.<br><br>Murali Krishna<br>Chairman<br>Hyderabad, Andhra Pradesh, India.</span><br style="color:rgb(0,0,102);font-family:comic sans ms,sans-serif">
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