一、我省旱粮生产概况我省旱地面积约占耕地总面积的20%.建国后30年中夏秋旱粮平均每年总产量(包括大豆,下同)占平均每年粮食总产量的11.3%;年度之间所占比重的变幅为5.9-17.5%.其中:五十年代平均占14.71%,六十年代平均占11.26%,七十年代平均占7.92%. 在全年粮食总产中旱粮所占比重虽不 First, the general situation of dry food production in our province The dry land area in our province accounts for about 20% of the total cultivated land area, and the average annual total output of dry farmland in summer and autumn (including soybean and the same below) accounts for 11.3% of the total grain output in the past 30 years after the founding of the People’s Republic of China. The share of the year between the amplitude of 5.9-17.5%, of which: the fifties accounted for 14.71% on average, the 1960s accounted for 11.26% on average, the seventies averaged 7.92% in the whole grain output in the drought Although the proportion of not