Human waste shouldn't be fertilizer?

Posted 08.05.2002 by Dave
Hershey-Squirts sent in an article that claims that human waste is bad for humans when used as fertilizer. I've been doing a lot of reading about the history of toilets lately, and I felt it was important to comment.

First of all, if you read the article, you see that the trouble comes from fertilizer blowing in the wind, not from the actual effects of the fertilizer on the crops. So I think its important to point out that human compost (or Humanure, as an article we've published describes it) is not being implicated as unhealthy. I just finished a book about the history of the toilet, and as far as I can tell, whenever poop has been converted into fertilizer, the benefit to the crops have been substatial.

So I don't want this report to lead to a rush to judgement against the use of Humanure. PoopReport supports the recycling of poop, which is an important way to cut down on waste in landfills and wherever else they stick it. But this report makes good points -- we need to find ways to make the fertilizer stay on the ground, and keep the poop from blowing in the wind.
Show some poop support, or make a poop retort.
healthy 1 (1427) -- 10.15.2006

My opinoin is. First we need to become a chemical free society. The amount of chemicals that find their way into the sewer systems is mind boggling. Next, human waste is safest when it is themphilically (I likley spelled it wrong)composted. The heat kills the pathogens. optimal temperatures are 131F to 170F.

I have been composting my excrement since mid 2005, with no ill effects. The Hunzas compost their humanure. Hunzas are known to be one of the longest lived people on the planet.
_______
It's not nice to fool mother nature.

GottaGoGirl (2616) -- 10.16.2006

I rather think that the Hunzas are long-lived because of what goes INTO them, rather than what comes OUT of them, though.

healthy 1 (1427) -- 10.16.2006

That is true but, have you ever heard of the life cycle. Plants pull nutrients out of the soil. Everytime a crop is hauled out, the soil looses nutrients. If those nutrients are not replaced, the soil become nutrient deficient, and the food grown in the soil also is less nutritious, leading to nutritional deficiency diseases. There are 84 essential minerals in our soil and about 20 vitamins. Plants can make vitamins but, cannot make minerals, the minerals have to be in our soil.

Hman excrement is very rich in minerals. When humanure is decomposed and returned to the soil, the nutrients are returned to the soil as well. When these nutrients are constantly added back in, the life cycle goes on like a wheel. The plants always have the right amount of nutrients therefore, the food is not nutrient deficient, leading to reduced nutritional deficiency diseases in the people who eat this food.

In America, we only add three nutrients into our crops. Nitrogen, Phosporous, and Potassium. We are literally flushing the other 81 minerals into the sewer, along with our health.
_______
It's not nice to fool mother nature.

Bird (not verified) -- 01.11.2007

Unfortunately we've become so 'civilized' that we are losing touch with nature. We take food from the earth and ingest and digest it and of course our bodies "naturally" want to return back to earth the deficit. Poop is good if treated properly and returned to earth in the right way. Unfortunately we Americans are a very ignorant lot. The earth is where all our food comes from. Let's give back to the earth what we took from it. Even the highly processed foods have their origin from the earth. We just messed them up... Hamburgers and fries etc.

healthy 1 (1427) -- 01.11.2007

In composting humanure, there is a right way, and a wrong way. We can't just throw our hands in the air and conclude that human waste is dangerous to use as a fertilizer.

Look at it like this, there is a right way and a wrong way to cook chicken or can foods. If chicken is cooked the wrong way, the result is salmonella. If food is not properly canned, botulism is the result. We don't throw our hands in the air and conclude that chicken and canned foods are dangerous. Why humanure then?

We spread cow, pig, and horse manure though. These animals are all mammals, just like us, so what is the difference?

I think that it is the fact that as children we were all taught to think of poop as a gross and dangerous monster, that must be banished from the earth and is virtually of no use.

Human excrement will kill and spread disease if it is mixed into a water supply, improperly composted, or used as night soil (raw).
_______
"-55F, a new record low? Nope, thermometer went bad. Looks like -50F still stands"

Deja Poo (652) -- 01.11.2007

Very interesting, H1. You've obviously spent some time thinking about this. How do you propose that we go about this? Should we (1) shit in a pile of leaves and wait until it breaks down, or (2) shit in a hole, throw in the seeds and then fill it up?

healthy 1 (1427) -- 01.11.2007

Lol Deja Poo.

I feel that the sewage plants should adopt a safe system of composting sewage.

My system utilizes a flush toilet/motorized and heated underground composting unit. I still flush everything down a toilet. But instead of everything going to the sewage plant where the solids are incinerated and pollute the air, and the treated water is dumped into a nearby river causing massive fishkills, my waste simply is collected in an underground box. Grass, leaves, and kitchen waste is added. Temperatures are kept at 131F of higher. This system works surprisingly well.

Some Mid Western communities are composting humanure on an industrial scale. Most of it is used to fertilize fruit trees.
_______
"-55F, a new record low? Nope, thermometer went bad. Looks like -50F still stands"

poop scoop (not verified) -- 07.09.2007

my neighbors have a raised garden area over there septic tank which on occasion bubbles up to the surface of this garden but not necessarily when they have vegetables in it . They gave us some veggies out of this garden and I'm not sure if they are safe to eat. Ant comments??

Gilbert Woolley (not verified) -- 02.24.2008

From when I was born in 1924 to 1945 I ate fruit and vegetables fertised by composted human waste. Our house had no sewer. The waste (shit)was mixed with bonfire ash. My father dug a two spade depth trench filled it with leaves and plants with compost on the top. Potatoes were planted on the compost, and covered with soil drom the next row. For other plants the compost was covered by soil for a few inches and the seeds planted. The roots soon penetrated into the compost.

I am almost 84 snd have always been very healthy all my life.

prarie doggin (2334) -- 02.24.2008

Human sewage has been composted on an industrial scale for a long time now. Because of lingering fears, most of it is used in commercial applications such as golf courses and plant nurseries. One of the first sewage authorities to market the waste was the city of Milwaukee. Their product (Milorganite) is widely used today. Other authorities have also gotten into production, but I believe Milwaukee claims to have the best due in part to the amounts of waste products coming from the brewerys that enters the sewer system.

love the coward (not verified) -- 10.28.2008

I have been wishing to enter composting on an industrial scale of Human sewage a long time now to get a source of affordable fertilizer for our farmers, and to cut down drastically the polluting of our streams, oceans as we normally dump these wastes in into the water ways and sea in Africa. any Idea on how to go about it?
Thanks.

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