|Title||Influence of poultry manure–derived biochars on nutrients bioavailability and chemical properties of a calcareous soil|
|Publication Type||Journal Article|
|Year of Publication||2016|
|Authors||Zolfi-Bavariani, Mokhtar, Ronaghi Abdolmajid, Ghasemi-Fasaei Reza, and Yasrebi Jafar|
|Journal||Archives of Agronomy and Soil Science|
|Pagination||1 - 14|
This study was conducted to investigate the effects of poultry manure (PM) and its derived biochars on chemical properties of a calcareous soil. Poultry manure and biochars prepared at 200 (B200), 300 (B300) and 400°C (B400) were applied to a calcareous soil at 2% level (w/w) and incubated for 150 days. Selected soil chemical properties and phosphorous, potassium, iron, manganese, zinc and copper availability and recovery were determined at 1, 15, 45 and 150 days of incubation. Soil nutrients availability, organic carbon (OC), electrical conductivity (EC) and cation exchange capacity (CEC) increased by addition of all organic substances. Biochars prepared at higher temperatures were more effective in increasing soil OC with higher durability compared to other treatments. Addition of PM and B200 decreased soil pH, whereas B400 increased it. Although highest soil EC was observed in B300 and B400 treated samples in the early stages of incubation, the rate of increasing in soil EC was higher for PM and B200 treated soil compared to other treatments. It was concluded that biochar prepared at 300°C had the highest positive effect on nutrients availability and last longer in calcareous soil compared to the other produced biochars and PM.
|Short Title||Archives of Agronomy and Soil Science|