Rural waste from the natural decay of the leaves over melons and easy development of plastic bags, construction waste, solid waste, pesticide and crop residues, plant composition of the mixture of corruption, complex composition, and some non-degradable material.

Rural garbage from the past to natural decay resistance of guapi's development for the plastic bags, construction waste, garbage, pesticide bottle and crop residue, corruption plants mixture consisting of complicated ingredients, some material is not biodegradable.

Countryside trash by the past easy nature rotten vegetable leaf melon skin development the mixture which for the plastic bag, building trash, life trash, the agricultural medicine bottle and the crops straw stalk, the corrupt plant was composed, the ingredient to be complex, some materials could not

Rural garbage from past natural rotting lettuce Peel into plastic bag, bottle construction debris, garbage, pesticides and crop straw, mixture of botanical composition of corruption, ingredient complex, some substances not degradable.

Rural refuse by the natural decay of past caiye Melon rind development for plastic bags, construction waste, solid waste, pesticide bottle, corruption and crop straw mixture of botanical composition, components of complex, some degradation of material is not available.