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Soil contamination{{W|soil contamination}} is a potential problem in urban environments, particularly with regard to lead. The soil should be tested; if lead is present, increasing the pH can alleviate the problem. Lead can also be removed through phytoremediation{{W|phytoremediation}} with Indian mustard{{W|Indian mustard}} or spinach{{W|spinach}}.<ref>Murphy K. (2009). [https://www.nytimes.com/2009/05/14/garden/14lead.html?pagewanted=1&hpw For Urban Gardeners, Lead Is a Concern]. ''New York Times''.</ref> | Soil contamination{{W|soil contamination}} is a potential problem in urban environments, particularly with regard to lead. The soil should be tested; if lead is present, increasing the pH can alleviate the problem. Lead can also be removed through phytoremediation{{W|phytoremediation}} with Indian mustard{{W|Indian mustard}} or spinach{{W|spinach}}.<ref>Murphy K. (2009). [https://www.nytimes.com/2009/05/14/garden/14lead.html?pagewanted=1&hpw For Urban Gardeners, Lead Is a Concern]. ''New York Times''.</ref> | ||
The importance of [[local food]] is often overstated, as the manner of production typically has a greater impact than the manner of [[transport]]. This case does not negate the value of growing food locally, but perspective and analysis are essential. | The importance of [[local food]] is often overstated, as the manner of production typically has a greater impact than the manner of [[transport]]. This case does not negate the value of growing food locally, but perspective and analysis are essential. |