Cultivation of Artificial Algal Crust and Its Effect on Soil Improvement in Sandy Area

Jinchao Feng, Wei Li and Linna Ma

A chapter in Deserts and Desertification from IntechOpen

Abstract: Algae are the pioneer species of biological soil crusts. Cyanobacteria, microschwannophyta and pseudocladophyta can form fixed quicksand algae crusts on the surface of sand surface. Through artificial culture, soil crusts can be formed in a short time. The development and succession of algeal-sand crust promoted the enrichment of nutrients in the sand surface layer, and created conditions for the reproduction of micro-soil organisms and the colonization of herbaceous plants, thus promoting the desert ecosystem to enter a virtuous cycle. This chapter will focus on the cultivation process of artificial soil crust and its effect on soil improvement (soil organic matter and nitrogen) in sandy areas. In conclusion, the application of algal solution can rapidly form algal crusts, and according to the research results, the formation of algal crusts can significantly improve the chemical and biological properties of soil.

Keywords: algal crust; soil organic carbon; microbial carbon and nitrogen (search for similar items in EconPapers)
JEL-codes: Q50 (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:ito:pchaps:234545

DOI: 10.5772/intechopen.98716

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