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甘蔗种植后从幼苗长到7片真叶一直到扩杈伸长期均为中期生长阶段(一般在6～9月),此期间也是甘蔗整个生长期的关键时期,必须做好以下几项工作。1.适时揭膜防治烧苗北方种蔗大多都是采用地膜加小拱棚的双膜栽培方法,也有用苗床育苗后待苗长到20～40厘米时移栽于大田再加盖小拱棚?
Sugar cane planted from the seedlings grow to 7 true leaves until the expansion dilatation stage are medium-term growth stage (usually in June to September), this period is also the critical period of sugar cane throughout the growth period, the following must be done. 1. timely Jiemei prevention and treatment of seedlings of northern sugarcane are mostly used double-membrane cultivation with small arch Shed cultivation methods, but also useful seedbed seedlings to be seedlings grow to 20 to 40 cm when transplanted in the field and then add a small shed?