Abstract
A laboratory incubation experiment of 60 days was carried out to observe the changes of soil pH, electrical conductivity (EC), soil organic carbon (SOC), and potassium chloride extractable nitrogen () in a soil to which three animal manures viz. cow dung (CD), chicken manure (CM) and a combination of CD and CM had been applied at a rate of 10 t·ha－1. The effects of manures varied with manure type and incubation period. Soil pH slightly increased with the incubation period up to 30 days there after it declined with time significantly (p increased significantly (p contents when either chicken manure alone or cow dung and chicken manure mixed in combination. After 60 days of incubation, the highest amount of was found in cow dung plus chicken manure treated soil followed by chicken manure treatment.
Highlights
The addition of organic materials such as crop residues, animal manures, green manures to soils have a directHow to cite this paper: Roy, S. and Kashem, Md.A. (2014) Effects of Organic Manures in changes of Some Soil Properties at Different Incubation Periods
The study was carried out to observe the changes in pH, electrical conductivity, organic carbon content and potassium extractable NH4+ -N content of soil amended with cow dung, chicken manure and a combination of cow dung and chicken manure in laboratory incubation condition
The pattern of pH, electrical conductivity, organic carbon content and available NH4+ -N treated with different sources of organic manures viz. cow dung and chicken manure, and a combination of cow dung and chicken manure was investigated in the artificial incubation chamber at field capacity condition during the period of June to July, 2013 in the Department of Soil Science, University of Chittagong, Bangladesh
Summary
The addition of organic materials such as crop residues, animal manures, green manures to soils have a direct. (2014) Effects of Organic Manures in changes of Some Soil Properties at Different Incubation Periods. Kashem effect on soil organic matter content, can improve soil fertility, soil physical characteristics, and augment microbial activities, can ameliorate metal toxicity, and by complexation [1]-[3]. The suitability of organic materials as fertilizer depends to a great extent on its rapidity of mineralization and liberating the nutrients present in them [9]. Warm temperature which is prominent in Bangladesh during most of the year, and frequently excessive soil tillage promote the mineralization of organic materials. To meet crop nutrient requirements, knowledge of soil characteristics following organic manure application is needed. The study was carried out to observe the changes in pH, electrical conductivity, organic carbon content and potassium extractable NH4+ -N content of soil amended with cow dung, chicken manure and a combination of cow dung and chicken manure in laboratory incubation condition
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