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恩单二号杂交玉米引入我县已经五年了。实践证明,这是一个高产、稳产、抗病、适宜山区栽培的优良的杂交玉米组合。镇坪县位于陕西省最南端的巴山北麓,年平均气温12.1℃,无霜期220—240天,极限最低温度—15℃、最高37.4℃,年降水量600毫米,最大年雨量1600毫米。全县12万亩耕地,主要分布在海拔750—1700米地带,其中70%分布在1200米以下。玉米常年播种面积8.5—9万亩。由于山高、坡陡、沟峡深,气温低,多云雨,所以小气候复杂
En single No. two hybrid corn into my county has been for five years. Practice has proved that this is a high yield, stable yield, disease resistance, suitable for mountain cultivation of excellent hybrid corn combinations. Zhenping County is located in the northern foot of Bashan, the southernmost tip of Shaanxi Province. The annual average temperature is 12.1 ℃, the frost-free period is 220-240 days, the minimum temperature is -15 ℃, the highest is 37.4 ℃, the annual rainfall is 600 mm and the annual rainfall is 1600 mm. The county 12 acres of arable land, mainly located in the 750-1700 meters above sea level, of which 70% distributed at 1200 meters below. Corn planting area of 8.5-9 million perennial. As the mountain, steep slopes, gully deep, low temperature, cloudy rain, so the microclimate is complicated