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Fig. 7 | Journal of Cotton Research

Fig. 7

From: The effects of straw-returning and inorganic K fertilizer on the carbon–nitrogen balance and reproductive growth of cotton

Fig. 7

Effects of straw-returning and inorganic K fertilizer on acid and alkaline invertases activities in the functional leaf at the peak flowering (PFS), boll-setting (BSS) and boll-opening (BOS) stages of Siza 3 in 2012 and 2013. The data are means of three replications ± standard error. For each growth stage, bars bearing different letters are significantly different at P = 0.05

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