Search

In order to study the effect of the application of corn straw biochar on the thermophysical properties of sierozem soil, the corn straw biochar with mass ratio of 0,1%, 3% and 5% were added to 100 g dried sierozem soil, and the effects of different applied amounts of corn stalk biochar on the physicochemical and thermophysical properties of sierozem soil were analyzed. The results showed that corn straw biochar could effectively improve the pH, organic matter content, porosity, water holding performance and cation exchange amount of sierozem soil, reduce soil bulk density, and thus enhance the fertility of sierozem soil; the higher the biochar application amount, the better the physicochemical properties of sierozem soil. Corn straw biochar could affect the thermophysical properties of soil, the heat capacity, thermal conductivity and thermal diffusivity of soil will decrease with the increase of biochar application. The thermophysical properties of sierozem soil were closely related to soil water content. In this study, besides the thermal diffusivity of BC500 was not significant (R²<0.95), and the others were significantly correlated with soil water content (R²≥0.95). The thermal capacity, thermal conductivity and thermal diffusivity of calcareous soil were significantly or extremely significantly negatively correlated with biochar application, significantly positively correlated with soil bulk density, and extremely significantly positively correlated with soil water content. [ABSTRACT FROM AUTHOR]

Copyright of Environmental Science & Technology (10036504) is the property of Editorial Board of Environmental Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Transactions of the Chinese Society of Agricultural Engineering is the property of Chinese Society of Agricultural Engineering and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Research of Environmental Sciences is the property of Research of Environmental Sciences Editorial Board and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Agro-Environment Science is the property of Journal of Agro-Environment Science Editorial Board and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Agro-Environment Science is the property of Journal of Agro-Environment Science Editorial Board and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of China Sciencepaper is the property of China Sciencepaper and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)