论文部分内容阅读
马铃薯喜凉,耐寒性强,而甘薯喜温怕霜冻。据河南省农科院试验,3月初地膜覆盖播种脱毒马铃薯津引8号和中薯3号,5月15日收获,平均667平方米产2600公斤;5月1号套种甘薯豫薯13号,10月21日收获,平均667平方米产4050公斤,667平方米全年产值(以马铃薯0.8元/
Potato likes cold, cold tolerance, and sweet potato frying fear of temperature. According to the Henan Provincial Academy of Agricultural Sciences test, early March mulching film detoxified potato Tsui cited No. 8 and potato 3, May 15 harvest, an average of 667 square meters 2600 kilograms; May 1 intercropping sweet potato Yushu 13 , October 21 harvest, with an average of 667 square meters to produce 4050 kilograms, 667 square meters annual output (potato 0.8 yuan /