Field experimental of in-situ composting and fermentation of corn straw
The simple,practical and easy to popularize straw composting and fermentation technology was explored.The corn straw was used as the test material to test the temperature,putrefier and moisture affecting the fermentation of corn straw.Four treatments were set up,included treatment 1 film retting fermentation,treatment 2 film retting fermentation+putrefactive agent,treatment 3 film retting fermentation+putrefactive agent+water,treatment 4 direct retting fermentation,and each treatment was repeated three times.The temperature,height,weight and fermentation degree of straw pile were measured every one month,and the color changes were observed and recorded.The optimum fermentation conditions of corn straw were obtained by comprehensive evaluation.The results showed that the temperature,weight and fermentation degree of straw pile were in the order of treatment 3>treatment 2>treatment 1>treatment 4 from high to low.The height of the straw pile from low to high was treatment 3<treatment 2<treatment 1<treatment 4.The color depth of straw pile was in the order of treatment 3>treatment 2>treatment 1>treatment 4.It was concluded that the treatment 3 was the best for straw fermentation,using film,straw maturing agent and maintaining humidity at the same time,could make corn straw mature to the maximum extent and could obtain benefits certain economic in actual production.
corn strawconditions of decompositionfermentationcompost