I think this is suitable here.

http://en.wikipedia.org/wiki/Community-supported_agriculture

Community-supported agriculture (in Canada Community Shared Agriculture) (CSA) is a socio-economic model of agriculture and food distribution. A CSA consists of a community of individuals who pledge support to a farm operation where the growers and consumers share the risks and benefits of food production. CSAs usually consist of a system of weekly delivery or pick-up of vegetables and fruit in a vegetable box scheme, sometimes including dairy products and meat.

--------------------------------------------------
Note added at 8 hrs (2010-06-06 10:58:35 GMT)
--------------------------------------------------

As I suggested before, you can also use "box scheme"

http://www.slowmovement.com/box_scheme.php

Box schemes have gained popularity in the last 10 years and are becoming more and more common, especially in urban areas. If you are a member of a box scheme you will have a ‘box’ of fresh, seasonal fruit or vegetables delivered to you at regular intervals.

Box schemes are organised by the farmer, a wholesaler, or by someone in the community who connects directly with a farmer or wholesaler. Box schemes usually operate at the local community level but some ...

Hope this helps!

--------------------------------------------------
Note added at 18 hrs (2010-06-06 20:53:54 GMT)
--------------------------------------------------

Glad this helped :)