The result showed that cassava can be planted in acidic to alkaline soil (pH 3.0-8.5) in
Thailand. Soil phophorous (soil P) in cassava field was 0.05- 91.91 mg kg-1, and organic matter
(OM) was 0.22-4.49%. The spores of arbuscular mycorrhizal fungi (AMF) in cassava field was
varied in between 25-1,880 spores 100 g-1 soil which identified into eighteen species. Glomus
sp. and Acaulospora sp. were mostly found in cassava field. AMF spore number was negatively
related to soil P (r² = 0.07, p < 0.01, n = 295). AMF spore number in cassava field was not
related to soil OM (r² = 0.003, p > 0.05, n = 295) and AMF spore number in cassava field was
not related to soil pH (r² = 0.001, p > 0.05, n = 295). Fifteen AMF species that colonized in
cassava root might be possibility to improve cassava growth.
Keywords
AMF, Cassava, Soil P, Organic matter, pH
INTERNATIONAL JOURNAL OF AGRICULTURAL TECHNOLOGY
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