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一前言陇东地区位于甘肃省东部,是黄土高原的一部分。该区耕地面积共一千四百多万亩,其中山塬地约占90%。本区冬小麦栽培多分布于土层深厚、地表复盖黑炉土和黄绵土的山塬丘陵地区;因缺少灌溉条件,所以多为旱作,每年播种面积约在五百万亩以上,占全区粮食作物总播种面积的45%以上,占全省冬小麦播种总面积的60%以上,其产量也较该省其他冬小麦区高。本文主要是对与上述陇东旱作地区冬小麦生育和产量有直接影响的气象条件作一初步探讨,试求一些农业气象指标,以便为农业生产防止不利、利用有利的气象条件,获取高产多
A preface Longdong region is located in the eastern part of Gansu Province, is part of the Loess Plateau. Arable land in this area a total of more than 14 million mu, of which about 90% of mountain plateau. The winter wheat cultivation in this area is mainly distributed in the deep soil layer, covered with black furnace soil and loessial soil in mountainous and hilly areas. Due to the lack of irrigation conditions, most of the winter wheat cultivation is dry farming. The annual sown area is about 5 million mu, More than 45% of the total sown area of grain crops, accounting for more than 60% of the total area planted with winter wheat in the province, also has a higher yield than other winter wheat areas in the province. In this paper, we mainly make a preliminary study on the meteorological conditions that have a direct impact on the growth and yield of winter wheat in the Gansu-Gansu dry-farming areas and try some agricultural meteorological indicators in order to prevent the unfavorable use of agricultural production and the favorable meteorological conditions to obtain high yields