Abstract
Effects of microalgal biomass as biofertilizer on the growth of cucumber and microbial communities in the cucumber rhizosphere
Highlights
Soil microorganisms are important components of the soil ecosystem and play important roles in biogeochemical cycling such as organic decomposition, mineral release, and energy conversion (Zhou and Lei, 2007)
The present study found that microalgal biomass as biofertilizer significantly promoted height, number of leaves and flower buds, and stem diameter of cucumber
This was comparable to the plant height and number of leaves in cucumber cultivated with farmyard manure fertilizer and inorganic fertilizer (Eifediyi and Remison, 2009; Eifediyi and Remison, 2010)
Summary
Soil microorganisms are important components of the soil ecosystem and play important roles in biogeochemical cycling such as organic decomposition, mineral release, and energy conversion (Zhou and Lei, 2007). The growth of most terrestrial plants is closely related to complex microbial communities, which can promote plant growth by producing plant-growth regulators, fixing nutrients from soils, and protecting plants from phytopathogens (Ahemad and Kibret, 2014). The rhizosphere is the direct environment of plants in a soil ecosystem. It is a dynamic interface that supports nutrient exchange between plants and their surrounding soils (Peiffer et al, 2013). Rhizosphere microorganisms have been of wide concern due to their great impact on plant life (Pii et al, 2015a)
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