Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

The Effects of Myrothecium verrucaria (MV) on Corn Stover During Co-Composting Process Under Room Temperature Conditions

Version 1 : Received: 16 June 2021 / Approved: 18 June 2021 / Online: 18 June 2021 (13:06:31 CEST)

How to cite: Hopla, G.A.; Yao, M.Y.; Lei, G.; Odimba, O.; Wang, G.; Chen, H.; Zhang, S.; Chen, G.; Sun, C.; Sun, Y. The Effects of Myrothecium verrucaria (MV) on Corn Stover During Co-Composting Process Under Room Temperature Conditions. Preprints 2021, 2021060480 (doi: 10.20944/preprints202106.0480.v1). Hopla, G.A.; Yao, M.Y.; Lei, G.; Odimba, O.; Wang, G.; Chen, H.; Zhang, S.; Chen, G.; Sun, C.; Sun, Y. The Effects of Myrothecium verrucaria (MV) on Corn Stover During Co-Composting Process Under Room Temperature Conditions. Preprints 2021, 2021060480 (doi: 10.20944/preprints202106.0480.v1).

Abstract

In China, the production of crop straw has been estimated to be approximately 800 Million tons yearly of which about 40% was burned. Corn stover is one of the main agricultural wastes in China. It has shown that lignin in corn stover could be effectively removed byMyrothecium verrucaria. The effects of the pretreatment of corn strover by Myrothecium verrucaria on compost were studied. The results showed that corn stover pretreatment by Myrothecium verrucaria, the Cellulose, Hemicellulose, and lignin were degraded and the results were 33.43%, 11.53% and 18.70% respectively. Scanning electron microscope (SEM) analysis showed that the surface structure of corn stover was changed. Fourier transform infrared spectroscopy (FTIR) analysis showed that the degradation products of lignin were increased. The exposed area of cellulose and hemicellulose was increased. Compared with the control group, the pH value was stable and the temperature was higher. The content of nitrogen in the material decreased, while the contents of total phosphorus and total potassium increased.The C/N ratio of materials decreased after composting.The results showed that the pretreatment of Myrothecium verrucaria improve the degradation of lignocelluloses, a great contribution was made to reduce the causes loss of plant nutrient and to fight against environmental pollution.

Subject Areas

Myrothecium verrucaria; lignocelluloses; Scanning electron microscope (SEM); Fourier transform infrared spectroscopy (FTIR); pretreatment; degradation; co-composting; corn stover; cow manure

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