Microbial Sulfur Oxidation Effect on Micronutrients Availability of Municipal Compost for Wheat Plant
Journal Title: Universal Journal of Environmental Research and Technology - Year 2012, Vol 2, Issue 6
Abstract
Dual application of municipal compost and elemental sulfur may reduce soil pH and increase phosphorous and some micronutrients availability in soil. This study was aimed to investigate the impact of supplemented compost with sulfur on phosphorus, iron, zinc, manganese and copper availability in soil. A factorial completely randomized design with wheat (Triticum aestivum L. CV. Alvand) was established in the greenhouse, having two main factors including compost and elemental sulfur with four replicates. The compost treatments were consisted of 0, 50 and 100 ton/ha denoted as Co, Cl and C2, respectively. The elemental sulfur including 0, 500, 1000 and 2000 kg/ha applications represented as So, Sl, S2 and S3, respectively. loamy sand soil samples collected from the depth of 0-30 cm, powdered compost and powdered sulfur were air dried and passed through the 4-mm, 1-mm and 100µm sieves respectively. Compost and sulfur contents were mixed with soil filled in plastic pots.Wheat seeds were sown in pots and after 75 days of the growth period crops were harvested and P, Zn, Fe, Cu and Mn concentrations in crop extracts were measured by atomic absorption system of Perkin-Elmer 3110 model. The results indicated that the shoot and root growth as well as nutrients uptake are increased by increasing compost content. However, in most cases there was no significant difference between C1 and C2. The increasing of sulfur content up to 1000Kg/ha, caused a significant increase in wheat root and shoot growth as well as nutrient uptake. But they were reduced by increasing sulfur level from S2 to S3. It can be concluded that application of 50 ton/ha compost and 1000 kg/ha of elemental sulfur can improve wheat growth and nutrients uptake from municipal compost.
Authors and Affiliations
E. Sabbagh Tazeh, N. Aliasgharzadeh, Y. Rameshknia, S. Naji Rad and B. Tahmasebpoor
Keywords
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