四、影响甘蔗成熟和质量的风向及风力条件问:风向条件是怎样影响甘蔗的成熟和质量的?答:甘蔗成熟前期和成熟期的风向条件是影响成熟的重要因素之一。珠江三角洲蔗区有一句农谚“北风北热,甘蔗早熟”。这句话的意思是:在每年10～12月,如果吹北风的频率 Fourth, the direction and wind conditions affecting the maturity and quality of sugarcane Q: How does the wind direction affect the maturity and quality of sugarcane? A: The direction and direction of early and mature sugarcane is one of the important factors that affect maturity. There is a saying in the Pearl River Delta region that the agricultural proverb “north wind north, sugar cane precocious.” The meaning of this sentence is: 10 to December each year, if the frequency of blowing the north wind