一、甘蔗有效生长期问题的提出一般甘蔗生长期是指从下种到收获之间的生长天数。不管甘蔗下种后缺株程度多大和补植后的成活好坏,不管成熟期的长短,不管采用育苗移栽或地膜覆盖蔗,只计算甘蔗生长在大田的时间,而不计算甘蔗在移植前的育苗时间(或苗龄大小),也不计 First, the sugarcane sugarcane growth period of the proposed general Sugarcane growing period refers to the growth from the next planting to harvest days. Regardless of the extent of shortages after planting and the survival of the plants after replanting, no matter the length of maturity, regardless of the seedling transplanting or mulching of cane, only the time of sugarcane growing in the field is calculated, Of nursery time (or seedling age), also do not count