一、旱作稻 旱作稻又称雨季稻,是利用陆稻品种和雨季的降水条件,象旱作物一样种植的一种稻作。它是八十年代在我国北方兴起来的。 我国北方水资源紧缺,成为限制稻作发展上一个难以逾越的障碍。但北方的气候具有水热同季的特点,6—9月的雨量占全年的70%以上,10℃以上的活动积温 First, Upland rice Upland rice, also known as rainy season rice, is the use of Upland rice varieties and rainy season rainfall conditions, the same as the cultivation of dry rice as a rice. It is the eighties up in the north of our country. The scarcity of water resources in northern China has become an insurmountable obstacle to the development of rice. However, the climate in the north has the characteristics of water and heat in the same season, and the rainfall in June and September accounts for more than 70% of the annual total. The accumulated accumulated temperature above 10 ℃