论文部分内容阅读
胡麻具有较强的抗旱、耐寒、耐瘠薄能力和生长期短、适应性强等特性,在半干旱旱作农业生产中具有其他作物不可替代的地位。胡麻是甘肃省榆中县重要的油料作物,在当地农业生产和农民脱贫致富中占有重要地位。榆中县胡麻种植历史悠久,常年播种面积在10万亩以上,占农作物播种面积的9.4%。榆中县是甘肃省中部18个干旱县之一,十年九旱,年降雨量只有350 mm左右,降雨分布时空不均匀,主要集中在7、8、9三个月。近年来,降
Flax has strong drought, cold, barren capacity and short growth period, adaptability and other characteristics, in the semi-arid dry farming has irreplaceable status of other crops. Flax, an important oilseed crop in Yuzhong County, Gansu Province, occupies an important place in the local agricultural production and peasants to get out of poverty. Yuzhong County flax planting has a long history of perennial planting area of more than 100,000 mu, accounting for 9.4% of the sown area of crops. Yuzhong County is one of 18 drought counties in central Gansu Province. With 10 years and 9 years of drought, the annual rainfall is only about 350 mm. The distribution of rainfall is uneven in time and space, mainly in 7, 8 and 9 months. In recent years, drop