Proximate determinants of fruit & vegetable market wastes in Tehran Metropolitan: Toward an innovative environmental approach

Fruit & vegetable wastes are important materials for production of compost and bio-fuel .They are known as clean wastes.
The main aim of this study is analysis physical and chemical market wastes and determine its policy implications.
The research methodology is based on field studies and uses a systematic questionnaire which is developed by American society for testing and materials (ASTM).
Sampling technique was random sampling and we selected 8 malls of 36 which were distributed in various areas of Tehran city.
Results average percentage of garbage composition and chemical ingredients of the samples, shown that fruit and vegetable with 84.35%, glass 0.19%, wood 3.85%, paper, cardboard and carton 3.59%, plastic and pot 3.03%, metals 0.19, bone and proteins 1.50%, stale bread 0.40%, textiles 0.50% and the other miscellaneous materials 3.35%. Also, mean of density of wastes is estimated by 283.30 kg/m3. Results of chemical analysis reveled that moisture with 80.94%, salinity (EC) 9.33, acidity (pH) 5.52, saturation percentage (SP) 88.75, decay percentage at 400° (OM) 65.88%, ash at 800 °C (Ash) 29.19%, total nitrogen (N) 1.38%, total phosphor (P) 0.24%, total potassium (K) 1.43%, total sodium (Na) 0.47%, total carbon (OC) 36.32% and C/N ratio 31.30.