Relationship between microbial soil quality indicators and soil productivity under cassava-based farming systems in various sites in the Philippines

Issue Date

6-2021

Abstract

Soil quality indicators are needed in monitoring the soil property transformations to determine sustainable farming systems. This study sought to determine the relationship between microbial soil quality indicators and soil productivity under cassava-based farming systems in the three major islands of the Philippines. The cassava-based farming systems of productive and marginal farms in each site were documented. Total microbial activity, bacterial diversity, abundance of arbuscular mycorrhizal fungi (AMF)spores, texture, and soil chemical properties were determined. The study showed a positive relationship between total microbial activity and soil productivity in one of the three study sites. The effectiveness of total microbial activity as a soil quality indicator is influenced by soil physical properties affecting drainage. The study also provided evidence on the consistent association of more diverse bacterial and higher AMF populations in productive soils under cassava-based farming systems in all three sites.

Source or Periodical Title

Journal of the International Society for Southeast Asian Agricultural Sciences (Journal of ISSAAS)

ISSN

0859-3132

Volume

27

Issue

1

Page

87-105

Document Type

Article

Frequency

semi-annually

Physical Description

illustrations; graphs; tables

Language

English

En – AGROVOC descriptors

SOIL QUALITY; SOIL FERTILITY; SOIL PROPERTIES; ARBUSCULAR MYCORRHIZA; INDICATOR ORGANISMS; FARMING SYSTEMS; PHILIPPINES

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