The influence of compost and arbuscular mycorrhizal fungi on sugarcane growth and nutrient uptake

Compost and Arbuscular mycorrhizal fungi are environmentally sustainable and low-cost materials that can benefit tropical soils with high phosphorus fixation and low organic matter content. This study investigated the effects of Arbuscular mycorrhizal fungi (AMF) and compost on the growth and nutrie...

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Bibliographic Details
Published in:Bioresources 2021-05, Vol.16 (2), p.3005-3016
Main Authors: Mattos Abreu, Gustavo, Bobadilha, Gabrielly dos Santos, Guirardi, Bruna Duque, Mattos Abreu, Phillipe, Oliviera, Naelmo de Souza, Schiavo, Jolimar Antonio, Mohammadi-Aragh, Maryam K.
Format: Article
Language:English
Subjects:
Arbuscular mycorrhizas
Biomass
Colonization
Composting
Composts
Design factors
Design of experiments
Diameters
Ethanol
Experimental design
Experiments
Factorial design
Fertilizers
Fungi
Inoculum
Nutrient uptake
Organic matter
Organic phosphorus
Phosphorus
Plant growth
Seedlings
Sugarcane
Tropical environments
Tropical soils
Variance analysis
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Summary:Compost and Arbuscular mycorrhizal fungi are environmentally sustainable and low-cost materials that can benefit tropical soils with high phosphorus fixation and low organic matter content. This study investigated the effects of Arbuscular mycorrhizal fungi (AMF) and compost on the growth and nutrient uptake efficiency of sugarcane (Saccharum officinarum) seedlings. The experimental design was a completely randomized factorial design, where factor A (n = 5) was the compost doses (0, 15, 30, 60 and 120 t ha-1) and B (n = 3) the AMF inoculum (Rhizophagus clarus, Gigaspora margarita, and non-inoculated). At 30 and 90 d, seedlings’ diameter and height were measured. Mycorrhizal colonization rate, biomass production, nutrient uptake (P and N), and mycorrhizal dependency were assessed at the end of the experiment. The AMF and compost doses affected the colonization rate, initial growth, biomass production, and nutrient uptake of sugarcane seedlings. Overall, the AMF benefited plant growth at lower doses of compost. R. clarus had a higher impact on the shoot diameter of sugarcane seedlings. Mycorrhizal colonization increased with compost addition only in seedlings inoculated with G. margarita. There was no clear trend among AMF treatments for nutrient uptake. In general, sugarcane seedlings dependency on mycorrhizal condition to produce growth was higher at lower compost doses.
ISSN:1930-2126
1930-2126
DOI:10.15376/biores.16.2.3005-3016