Simulating SOC Dynamics under Different Temperature Regimes and FYM Addition in Bamboo Species Using RothC-Model

Author:

Kaushal Rajesh1,Panwar Pankaj2ORCID,Durai Jayaraman3,Tomar Jag Mohan Singh1,Mandal Debashis1ORCID,Dogra Pradeep2,Gupta Anand1,Reza Selim4ORCID,Singh Charan1,Madhu Made1

Affiliation:

1. ICAR-Indian Institute of Soil and Water Conservation, 218, Kaulagarh Road, Dehradun 248 195, India

2. ICAR-Indian Institute of Soil and Water Conservation, Research Centre, Sector 27A, Chandigarh 160019, India

3. International Bamboo and Rattan Organization (INBAR), Beijing 100102, China

4. International Bamboo and Rattan Organization, East Africa Regional Office, Addis Ababa 1000, Ethiopia

Abstract

To assess the impact of bamboo plantations on soil organic carbon (SOC) under prevailing climatic conditions, increase in temperature and soil amendments, the Roth C model was used. RothC is a promising model for the estimation of SOC changes in different land use systems. In the present study, the RothC model was used to predict the dynamics of SOC in the plantation of seven bamboo species under a usual scenario: increase temperature by 1 °C and 2 °C and farm yard manure (FYM) addition. The result revealed that RothC fairly predicts the SOC. The root mean square error (RMSE) value varied from 0.74 to 3.2 among seven bamboo species while comparing modeled and measured data. The increase in temperature resulted in a decrease in SOC. The decrease in SOC varied from 0.46 to 5.96 per cent as compared to the usual scenario, and the extent of the decrease varied from species to species. Among all species, the application of 9 t ha−1 FYM was found appropriate for maintaining the initial SOC level during the initial stage of bamboo growth.

Funder

State Forest Department, Uttarakhand, India

International Bamboo and Rattan Organization

International Fund for Agriculture Development

European Union

Publisher

MDPI AG

Subject

Forestry

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