| Title | Biochar Amended Soils and Water Systems: Investigation of Physical and Structural Properties |
|---|---|
| ID_Doc | 24116 |
| Authors | Baiamonte, G; Crescimanno, G; Parrino, F; De Pasquale, C |
| Title | Biochar Amended Soils and Water Systems: Investigation of Physical and Structural Properties |
| Year | 2021 |
| Published | Applied Sciences-Basel, 11, 24 |
| Abstract | There are significant regional differences in the perception of the problems posed by global warming, water/food availability and waste treatment recycling procedures. The study illustrates the effect of application of a biochar (BC) from forest biomass waste, at a selected application rate, on water retention, plant available water (PAW), and structural properties of differently standard textured soils, classified as loamy sand, loam and clay. The results showed that soil water retention, PAW, and aggregate stability were significantly improved by BC application in the loamy sand, confirming that application of BC to this soil was certainly beneficial and increased the amount of macropores, storage pores and residual pores. In the loam, BC partially improved water retention, increasing macroporosity, but decreased the amount of micropores and improved aggregate stability and did not significantly increase the amount of PAW. In the clay, the amount of PAW was increased by BC, but water retention and aggregate stability were not improved by BC amendment. Results of the BET analysis indicated that the specific surface area (BET-SSA) increased in the three soils after BC application, showing a tendency of the BET-SSA to increase at increasing PAW. The results obtained indicated that the effects of BC application on the physical and structural properties of the three considered soils were different depending on the different soil textures with a BET-SSA increase of 950%, 489%, 156% for loamy sand, loam and clay soil respectively. The importance of analysing the effects of BC on soil water retention and PAW in terms of volumetric water contents, and not only in terms of gravimetric values, was also evidenced. |
| https://www.mdpi.com/2076-3417/11/24/12108/pdf?version=1639909510 |
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