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Fig. 6 | Chemical and Biological Technologies in Agriculture

Fig. 6

From: Plant–Rhizobium symbiosis, seed nutraceuticals, and waste quality for energy production of Vicia faba L. as affected by crop management

Fig. 6

Total broad bean energy yield (ethanol plus atmospheric nitrogen fixation) at the different planting times in open field and greenhouse farming systems. Different letters mean significant difference according to Duncan multiple range test at p ≤ 0.05: lowercase refers to comparison between planting times within each farming system, capital to comparison between farming systems within each planting time

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