For purposes of this chapter, the term “direct marketing from farmers to consumers” shall mean the marketing of agricultural commodities at any marketplace (including, but not limited to, roadside stands, city markets, and vehicles used for house-to-house marketing of agricultural commodities) established and maintained for the purpose of enabling farmers to sell (either individually or through a farmers’ organization directly representing the farmers who produced the commodities being sold) their agricultural commodities directly to individual consumers, or