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. 2016 Nov 21;7:1730. doi: 10.3389/fpls.2016.01730

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Copyright © 2016 Heidari, Mohammadi and Sohrabi.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Interaction effect of fertilization and tillage on microbial biomass of carbon. (F1, farmyard manure; F2, compost; F3, chemical fertilizers; F4, farmyard manure + compost; F5, farmyard manure + chemical fertilizers; F6, compost + chemical fertilizers; F7, farmyard manure + compost + chemical fertilizers; F8, control & NT, No-tillage; MT, minimum tillage; CT, conventional tillage; Different letters indicate significant differences only between the different fertilization variants using LSD test at the p < 0.05 level). For significant interactions, slicing was used.