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Science/Tech
See other Science/Tech Articles

Title: Wastewater often used in urban agriculture
Source: [None]
URL Source: http://news.yahoo.com/s/afp/2008081 ... _afp/environmentwaterfarmwaste
Published: Aug 17, 2008
Author: AFP
Post Date: 2008-08-18 01:17:57 by angle
Keywords: None
Views: 139
Comments: 4

STOCKHOLM (AFP) - Wastewater is widely used to irrigate urban agricultural land in developing countries, a practice that has both advantages and disadvantages, a 53-city study presented at a water conference in Stockholm showed Monday.

Wastewater agriculture contributes importantly to urban food supplies and helps provide a livelihood for the poor, but can also lead to health risks for consumers, particularly for vegetables consumed uncooked, the report by the International Water Management Institute (IWMI) said.

Wastewater has a "large potential... for both helping and hurting great numbers of urban consumers," IWMI researcher Liqa Raschid-Sally said in a statement.

The survey showed that 80 percent of cities studied were using untreated or partially treated wastewater for agriculture. In over 70 percent of the cities studied, more than half of the urban agricultural land was irrigated with wastewater.

Wastewater was being used primarily to produce vegetables and rice.

The practice was being used on 20 million hectares (almost 50 million acres) of land, especially in Asian countries like China, India and Vietnam, but also "nearly every city of sub-Saharan Africa and in many Latin American cities as well," the statement said.

In Ghana's capital Accra, for example, which has almost two million inhabitants, some 200,000 city residents purchase vegetables each day produced on just 100 hectares of urban agricultural land irrigated with wastewater, the report said.

The report did not call for a ban on the use of wastewater, saying such a move could "adversely affect urban consumers, farmers and others who depend on urban agriculture."

Instead, it urged local authorities to develop policies for safer wastewater use, and advocated low-cost measures such as the use of drip irrigation, correct washing of produce, and wastewater storage ponds to allow suspended solids to settle out.

Mmmmmm. Eat up.

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#1. To: angle (#0)

I was watching a commercial yesterday for a new prostate drug, which said that it should not be taken or even touched by women, because it could cause birth defects in a fetus. Made me wonder what happens when this drug is pissed into the toilet....where does it go, does it break down, is it filtered out, does it get back into the food supply, is it causing medical freaks in the ocean? on land? are the birth defects fatal? etc. etc. You know what I mean?

"...as long as there..remain active enemies of the Christian church, we may hope to become Master of the World...the future Jewish King will never reign in the world before Christianity is overthrown - B'nai B'rith speech http://www.biblebelievers.org.au/luther.htm / http://bible.cc/psalms/83-4.htm

AllTheKings'HorsesWontDoIt  posted on  2008-08-18   12:26:55 ET  Reply   Trace   Private Reply  


#2. To: AllTheKings'HorsesWontDoIt (#1)

where does it go, does it break down, is it filtered out, does it get back into the food supply, is it causing medical freaks in the ocean? on land? are the birth defects fatal?

USDA is owned by Monsanto.

angle  posted on  2008-08-18   14:47:53 ET  Reply   Trace   Private Reply  


#3. To: AllTheKings'HorsesWontDoIt (#1)

From the package insert (I assume, found on Avodart website):

Avodart is a 5-alpha-reductase inhibitor that prevents conversion of testosterone to dihydrotestosterone (DHT), a hormone necessary for normal development of male genitalia.

Also, "half-life" of Avodart is 5 weeks in the human body. No idea how long it lasts "in the wild," but given Australia's problem with birth control hormones causing problems for sea life...I have no idea.

Perhaps the cause of some fish and frogs with deformed sex organs?

Deformed fish pose mystery for scientists

Deformed Fish Give Rise To Concerns Over Sewage Releases Male fish with female characteristics.

We cannot afford peace at any price. - Newt Gingrich, May 29, 1998

rack42  posted on  2008-08-18   20:46:10 ET  Reply   Trace   Private Reply  


#4. To: rack42 (#3)

We can not not afford peace at any price.

angle  posted on  2008-08-18   21:02:12 ET  Reply   Trace   Private Reply  


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