Assessment the clean index and fertilizing index of some imported composts to Erbil City

الملخص EN

This study was carried out for assessing the clean and fertilizing indices of diverse composts from various countries imported to Erbil city.

The compost samples included 4 most common compost kinds (Indian, Dutch, Estonia and local produced) with five replications were bought in different local agrochemical market and shopping.

The experimental designed completely randomized design (CRD).

The results revealed that the fertilizer index (FI) of imported and local compost was varied from 4.13 to 4.47 where as the clean index(CI) was varied from 3.20 to 3.93, all composts have a fertilizer potential value >4, however the clean index value of compost has medium heavy metals content, the statistical analysis in the present study indicated that imported and local compost has a good quality and proper for agriculture land.