Affiliation:
1. School of Resources and Environment Engineering, Wuhan University of Technology, Wuhan 430070, China
Abstract
To improve the quality of sloping soil in farmlands, exploring the mechanism of farmland soil consolidation is vital. This study investigated the improvement of soil pH, exchangeable acid, crop economic characteristics, and the soil compression index under different soil amendments using field experiments and laboratory-simulated cultures. The results show that (1) increasing the pre-consolidation pressure of the soil and reducing the soil compression index and bulk density significantly reduces the risk of soil compaction; (2) soil compression performance improved after the addition of organic and bio-carbon fertilizers and other modifiers to the compacted soil. The comprehensive physical index compression curve (S) value was higher than 0.05; (3) the addition (biomass carbon + chitosan 32 t/hm2) had the best improvement effect, which significantly increased soil pH, reduced soil exchange acid, and prevented the dissolution of soil H+ and Al3+. Dissolution also reduced the risk of soil compaction stress in rice and significantly increased root thickening and yield. Based on the stagnation mechanism of farmland soil and the improvement principle of physical properties, a comprehensive improvement technology for farmland soil compaction is proposed.
Subject
Management, Monitoring, Policy and Law,Renewable Energy, Sustainability and the Environment,Geography, Planning and Development,Building and Construction
Reference30 articles.
1. Li, D., Liu, Y., and Chen, Y. (2011). Computer and Computing Technologies in Agriculture IV, Springer.
2. The role of organic amendment in soils affected by re-sidual pollution of potentially harmnful elements;Sierra;Chemosphere,2019
3. Research and application progress of main degraded soil amendments in China;Zhao;J. Drain. Irrig. Mach. Eng.,2022
4. Effects of long-term application of organic fertilizer on improving organic matter content and retarding acidity in red soil from China;Wang;Soil Tillage Res.,2019
5. Panhwar, Q.A., Naher, U.A., Shamshuddin, J., Othman, R., and Ismail, M.R. (2016). Applying limestone or basalt in combination with bio-fertilizer to sustain rice production on an acid sulfate soil in Malaysia. Sustainability, 8.
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