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一、研究的依据及方法雅安地区共有旱地88万亩,占总耕地面积的61％,其中山区旱地72万亩,占旱地面积的81％。旱稻规划种植区域的青衣江流域所属雅安、天全、荥经、芦山和名山县,年降雨量平均为1430毫米,年降雨日数都在196天以上;年均温15.1-16.2℃,8月平均气温23.7℃,年日照942小时,7、8两月
I. Basis and Methods of Research Ya’an has 88 million mu of dry land, accounting for 61% of the total cultivated land, of which 72 million mu of dry land in mountainous areas account for 81% of dry land area. Tiananmen Square, Lantian, Lushan and Miaoshan County, which belong to the area planted in the upland rice. The average annual rainfall is 1430 mm and the annual rainfall days are above 196 days. The average annual temperature is between 15.1-16.2 ℃ and the average of August Temperature 23.7 ℃, 942 hours of sunshine, 7,8 two months