In advance, the effect of air moisture on nectar sugar amount had a highly significant negative correlation ( Table 5 ).
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Honeybee colonies carrying capacity determination in north-east dry land areas of Amhara region, Ethiopia.
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The non-linear regression model indicated that the nectar concentration of B.grandiflorum and C.africana species increased as temperature of the day reached at 29 °C (R 2 = 0.53) and 30.4 °C ( R 2 = 0.5 ), respectively while beyond this temperature range the nectar concentration showed a decreasing trend ( Fig. 6 , Fig. 7 a).