论文部分内容阅读
南昌气候暖湿,年雨量1,700毫米左右,年平均温度在17～18℃之间。全年之中,除1、2、3三个月的月平均温度在10℃以下外,其余各月均在10℃以上;其中4月和10月在15～20℃,5～9月在22～31℃之间。无霜期约240～270天左右。在这种气候条件下,极有利于双季稻的栽培。南昌为本省重点推行栽培双季稻地区之一,为了达
Nanchang climate warm and wet, annual rainfall of about 1,700 mm, the average annual temperature of 17 ~ 18 ℃. In the whole year, the monthly average temperature except 1, 2, and 3 months was below 10 ℃, while the others were all above 10 ℃. April and October were at 15 ~ 20 ℃ and from May to September Between 22 ~ 31 ℃. Frost-free period of about 240 to 270 days. In this climate, it is very conducive to the cultivation of double cropping rice. Nanchang-based focus on the implementation of double-crop cultivation of rice in the region, in order to reach