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Current Topics in Biotechnology   Volumes    Volume 8 
Proposal for a new soil fertility index (SOFIX) for organic agriculture and construction of a SOFIX database for agricultural fields
Dinesh Adhikari, Takamitsu Kai, Masaki Mukai, Kiwako S. Araki, Motoki Kubo
Pages: 81 - 91
Number of pages: 11
Current Topics in Biotechnology
Volume 8 

Copyright © 2014 Research Trends. All rights reserved

The evaluation of fertility of agricultural soils should not only include the chemical properties but also biological properties. A simple and rapid evaluation method of soil fertility is proposed (soil fertility index; SOFIX) based on bacterial biomass, nutrient circulation activities, and chemical properties. Methods for estimating bacterial biomass, nitrogen circulation activity, and phosphorus circulation activity are developed. Using the new methods, a SOFIX database of upland agricultural fields is constructed. Based on the SOFIX database, methods for the enhancement of material circulation are also developed for an efficient organic agricultural system.
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