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specialty journal of agricultural sciences
Volume 5, 2019, Issue 2
Effect of Municipal Solid Waste Compost Modified by Tea Pulp on Soil Physical- Chemical Properties
Sima Aminashayeri
Pages: 15-24

Abstract

Recent years in order to tackle environmental problems there have been a lot of concentration on recycling and using the compost in agricultural fields. In order to investigate the effect of tea pulp on the improvement of physical and chemical properties of municipal waste compost, field experiment was conducted at the faculty of agriculture, Tabriz Azad University. For conducting this research two type of modified urban garbage compost prepared of waste tea powder. The garbage factor consisting two levels (Segregated garbage and integrated garbage) and modified waste tea powder was in three levels (60.40, 80.20, 100.0). The produced compost in form of totally random plan in six treatments added to soil and a plot without compost considered as a sample treatments and in 3 times repetition. Among the parameters studied in soil, potassium and moisture curve at the turning point in the probability level of 1 %, phosphorous and cadmium and mean weight of aggregate diameter were significant at 5% probability level. Also the results showed that the segregated compost was more effective in the improvement of physical-chemical properties of the soil. also by examination comparing the average counter effects of garbage and modified material, it was observed that the segregated compost was richer that the integrated compost in elements like sodium and potassium and phosphorus and organic Carbon and total Nitrogen.



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specialty journal of agricultural sciences
Issue 1, Volume 6, 2020