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Applying boll fertilizer to cotton pays off, and this investment account must be calculated clearly
This year, due to early drought followed by flooding and the recent hot, high temperatures, cotton development progress has been very uneven. In particular, the number of bolls set on cotton varies greatly. In cotton fields planted earlier and managed better, the average number of early summer bolls per cotton plant has already reached 8 to 10, and for high-yield cultivation farmers, the early summer bolls on cotton can be as many as more than 20, while in general fields the early summer bolls on cotton are only 4 to 6. From the perspective of cotton's growth process, field cotton has now generally entered the boll-setting stage. The period when cotton concentrates on setting bolls is precisely the period of greatest fertilizer demand. From the stages divided by cotton boll setting,
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