London, phosphorus content in vegetables and grains not only beneficial to human bone. Once issued with human waste, this element is still beneficial for the environment and can even save the earth from global food shortages.
Phosphorus for plants useful for the formation of seed, root development and growth in other parts in general. Apart from manure originating from animal dung, crop can also get phosphorus from chemical fertilizers.
However, the use of chemical fertilizers are not considered environmentally friendly, because the phosphorus comes from phosphate rock mined. Believed in the next 2033 years, rock phosphate will be increasingly scarce and expensive due to continuous use for fertilizer.
Yet every year, people around the world produce more than 3 million metric tons of phosphorus contained in the feces. It is estimated, only about 10 percent of phosphorus that has been used for agriculture and farming.
An observer organizations organic food in the UK, Soil Association calls for human biological waste is used as an environmentally friendly organic fertilizer. In history, the Europeans also use human waste before resorting to chemical fertilizers in the mid-19th century.
Since then even the European Union to limit the use of human waste as organic fertilizer. The reason, feared human feces contain many heavy metals have been due to modern human diet is not healthy.
“Heavy metals in human feces have been declining in recent years. This is a good time to think about the use of phosphorus from human waste as fertilizer, of course, with rigorous standards,” said Soil Association representatives in its report recently(30/11/2010).
In the report, the Soil Association also recommends that people increase consumption of vegetables for their droppings can be used as fertilizer. Plant foods such as vegetables and grains contain more phosphorus than the fat content of livestock products is more dominant.
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