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毕节专区位于贵州西北部,海拔高度在700—2,000米之间.由西北向东南倾斜,山高坡陡,沟壑纵横,山地多,平坝少.年平均温11—15℃;年降雨量1,000毫米左右,且多集中于5—10月份,冬春雨水少,常常干旱;一年之中阴雨云雾多,日照较少.相对湿度大,一般在80%左右.土壤以瘠薄的黄壤最多,约占总面积的80%左右.酸性强,pH值4—6;有效养分含量低,磷氮均缺;耕层浅,一般5—8寸;结构不良,透气性差,既不耐旱,又不耐涝,群众有“天晴一把刀,落后一包槽”的说法.主要的粮食作物有水稻、玉米、洋芋、大麦、小麦、荞麦和经济作物中的烤烟、油菜、麻类及其他油料作物等.单位面积产量不高.
Bijie Prefecture is located in the northwestern part of Guizhou Province, with an altitude of 700-2,000 meters. From northwest to southeast, there are steep slopes, ravines, mountainous areas and small flat bars. The annual average temperature is 11-15 ℃; annual rainfall is 1,000 mm , And more concentrated in May-October, less winter and spring rain, drought often; more than a year more rainy clouds, less sunshine.Relative humidity, generally about 80% of the soil to infertile yellow soil most, accounting for about The total area of about 80%. Strong acidity, pH 4-6; low effective nutrient content, phosphorus and nitrogen are missing; shallow plow, usually 5-8 inches; poor structure, poor air permeability, neither drought nor intolerance The main food crops are rice, corn, potato, barley, wheat, buckwheat, and flue-cured tobacco, rape, hemp and other oil crops in cash crops, etc. Yield per unit area is not high.